Updated on 2025/06/19

写真b

 
KITAMOTO Shunji
 
*Items subject to periodic update by Rikkyo University (The rest are reprinted from information registered on researchmap.)
Affiliation*
College of Science Department of Physics
Graduate School of Science Doctoral Program in Physics
Graduate School of Science Master's Program in Physics
Title*
Senior Specially Appointed Professor
Degree
Doctor of Science （ 3 1985   Osaka University ） / 理学修士 （ 大阪大学 ）
Contact information
Mail Address
Research Interests

  • Astrophysics

    • Campus Career*
    • 4 2023 - Present 
      College of Science   Department of Physics   Senior Specially Appointed Professor
    • 4 2023 - Present 
      Graduate School of Science   Master's Program in Physics   Senior Specially Appointed Professor
    • 4 2023 - Present 
      Graduate School of Science   Doctoral Program in Physics   Senior Specially Appointed Professor
    • 4 2001 - 3 2023 
      College of Science   Department of Physics   Professor
    • 4 2005 - 3 2023 
      Graduate School of Science   Master's Program in Physics   Professor
    • 4 2005 - 3 2023 
      Graduate School of Science   Doctoral Program in Physics   Professor

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    Research Areas

    • Natural Science / Experimental studies related to particle-, nuclear-, cosmic ray and astro-physics

    Research History

    • 4 2001 - Present 
      RIKKYO UNIVERSITY   Graduate School of Science Field of Study: Physics   Professor

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    • 4 2001 - Present 
      RIKKYO UNIVERSITY   Graduate School of Science Field of Study: Physics   Professor

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    • 4 2001 - Present 
      RIKKYO UNIVERSITY   College of Science Department of Physics   Professor

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    • 4 1996 - 3 2001 
      Osaka University   Graduate School of Science

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    • 4 1995 - 3 1996 
      Osaka University   School of Science

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    • 4 1985 - 3 1995 
      Osaka University   School of Science

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    Education

    • 4 1982 - 3 1985 
      Osaka University   Graduate School of Science

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      Country： Japan

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    • 4 1980 - 3 1982 
      Osaka University

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    • - 3 1980 
      Osaka University   Faculty of Science

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      Country： Japan

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    Committee Memberships

    • 9 2008 - Present 
      The Physical Society of Japan   Jr. Session Committee member

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    • 6 2021 - 5 2023 
      Astronomical Society of Japan   Director

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      Committee type：Academic society

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    • 9 2010 - 3 2012 
      日本物理学会   理事

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      Committee type：Academic society

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    • 10 2009 - 9 2010 
      日本物理学会   宇宙線・宇宙物理領域 代表

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      Committee type：Academic society

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    • 1 2004 - 12 2007 
      日本天文学会   理事

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      Committee type：Academic society

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    • 1 2001 - 1 2004 
      日本天文学会   早川基金選考委員

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      Committee type：Academic society

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    • 1 1999 - 1 2002 
      日本天文学会   天文教材委員

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      Committee type：Academic society

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    Papers

    • The bulk motion of gas in the core of the Centaurus galaxy cluster Peer-reviewed

      Marc Audard, Hisamitsu Awaki, Ralf Ballhausen, Aya Bamba, Ehud Behar, Rozenn Boissay-Malaquin, Laura Brenneman, Gregory V. Brown, Lia Corrales, Elisa Costantini, Renata Cumbee, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Dominique Eckert, Teruaki Enoto, Satoshi Eguchi, Yuichiro Ezoe, Adam Foster, Ryuichi Fujimoto, Yutaka Fujita, Yasushi Fukazawa, Kotaro Fukushima, Akihiro Furuzawa, Luigi Gallo, Javier A. García, Liyi Gu, Matteo Guainazzi, Kouichi Hagino, Kenji Hamaguchi, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Natalie Hell, Edmund Hodges-Kluck, Ann Hornschemeier, Yuto Ichinohe, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Jelle Kaastra, Timothy Kallman, Erin Kara, Satoru Katsuda, Yoshiaki Kanemaru, Richard Kelley, Caroline Kilbourne, Shunji Kitamoto, Shogo Kobayashi, Takayoshi Kohmura, Aya Kubota, Maurice Leutenegger, Michael Loewenstein, Yoshitomo Maeda, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian McNamara, François Mernier, Eric D. Miller, Jon M. Miller, Ikuyuki Mitsuishi, Misaki Mizumoto, Tsunefumi Mizuno, Koji Mori, Koji Mukai, Hiroshi Murakami, Richard Mushotzky, Hiroshi Nakajima, Kazuhiro Nakazawa, Jan-Uwe Ness, Kumiko Nobukawa, Masayoshi Nobukawa, Hirofumi Noda, Hirokazu Odaka, Shoji Ogawa, Anna Ogorzalek, Takashi Okajima, Naomi Ota, Stephane Paltani, Robert Petre, Paul Plucinsky, Frederick Scott Porter, Katja Pottschmidt, Kosuke Sato, Toshiki Sato, Makoto Sawada, Hiromi Seta, Megumi Shidatsu, Aurora Simionescu, Randall Smith, Hiromasa Suzuki, Andrew Szymkowiak, Hiromitsu Takahashi, Mai Takeo, Toru Tamagawa, Keisuke Tamura, Takaaki Tanaka, Atsushi Tanimoto, Makoto Tashiro, Yukikatsu Terada, Yuichi Terashima, María Díaz Trigo, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi G. Tsuru, Hiroyuki Uchida, Nagomi Uchida, Yuusuke Uchida, Hideki Uchiyama, Yoshihiro Ueda, Shinichiro Uno, Jacco Vink, Shin Watanabe, Brian J. Williams, Satoshi Yamada, Shinya Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Y. Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yaqoob, Tomokage Yoneyama, Tessei Yoshida, Mihoko Yukita, Irina Zhuravleva, Marie Kondo, Norbert Werner, Tomáš Plšek, Ming Sun, Kokoro Hosogi, Anwesh Majumder

      Nature638 ( 8050 ) 365 - 369   12 2 2025

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      Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

      DOI： 10.1038/s41586-024-08561-z

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      Other Link： https://www.nature.com/articles/s41586-024-08561-z

    • Overionized plasma in the supernova remnant Sagittarius A East anchored by XRISM observations Peer-reviewed

      Marc Audard, Hisamitsu Awaki, Ralf Ballhausen, Aya Bamba, Ehud Behar, Rozenn Boissay-Malaquin, Laura Brenneman, Gregory V Brown, Lia Corrales, Elisa Costantini, Renata Cumbee, Maria Diaz-Trigo, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan Eckart, Dominique Eckert, Teruaki Enoto, Satoshi Eguchi, Yuichiro Ezoe, Adam Foster, Ryuichi Fujimoto, Yutaka Fujita, Yasushi Fukazawa, Kotaro Fukushima, Akihiro Furuzawa, Luigi Gallo, Javier A García, Liyi Gu, Matteo Guainazzi, Kouichi Hagino, Kenji Hamaguchi, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Natalie Hell, Edmund Hodges-Kluck, Ann Hornschemeier, Yuto Ichinohe, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Jelle Kaastra, Timothy Kallman, Erin Kara, Satoru Katsuda, Yoshiaki Kanemaru, Richard Kelley, Caroline Kilbourne, Shunji Kitamoto, Shogo Kobayashi, Takayoshi Kohmura, Aya Kubota, Maurice Leutenegger, Michael Loewenstein, Yoshitomo Maeda, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian McNamara, François Mernier, Eric D Miller, Jon M Miller, Ikuyuki Mitsuishi, Misaki Mizumoto, Tsunefumi Mizuno, Koji Mori, Koji Mukai, Hiroshi Murakami, Richard Mushotzky, Hiroshi Nakajima, Kazuhiro Nakazawa, Jan-Uwe Ness, Kumiko Nobukawa, Masayoshi Nobukawa, Hirofumi Noda, Hirokazu Odaka, Shoji Ogawa, Anna Ogorzalek, Takashi Okajima, Naomi Ota, Stephane Paltani, Robert Petre, Paul Plucinsky, Frederick Scott Porter, Katja Pottschmidt, Kosuke Sato, Toshiki Sato, Makoto Sawada, Hiromi Seta, Megumi Shidatsu, Aurora Simionescu, Randall Smith, Hiromasa Suzuki, Andrew Szymkowiak, Hiromitsu Takahashi, Mai Takeo, Toru Tamagawa, Keisuke Tamura, Takaaki Tanaka, Atsushi Tanimoto, Makoto Tashiro, Yukikatsu Terada, Yuichi Terashima, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi G Tsuru, Hiroyuki Uchida, Nagomi Uchida, Yuusuke Uchida, Hideki Uchiyama, Yoshihiro Ueda, Shinichiro Uno, Jacco Vink, Shin Watanabe, Brian J Williams, Satoshi Yamada, Shinya Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yaqoob, Tomokage Yoneyama, Tessei Yoshida, Mihoko Yukita, Irina Zhuravleva, Q Daniel Wang, Yuki Amano, Kojiro Tanaka, Takuto Narita, Yuken Ohshiro, Anje Yoshimoto, Yuma Aoki, Mayura Balakrishnan

      Publications of the Astronomical Society of Japan77 ( 1 ) L1 - L8   26 12 2024

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      Publishing type：Research paper (scientific journal)   Publisher：Oxford University Press (OUP)  

      Abstract

      Sagittarius A East is a supernova remnant with a unique surrounding environment, as it is located in the immediate vicinity of the supermassive black hole at the Galactic center, Sagittarius A$^{*}$. The X-ray emission of the remnant is suspected to show features of overionized plasma, which would require peculiar evolutionary paths. We report on the first observation of Sagittarius A East with the X-Ray Imaging and Spectroscopy Mission (XRISM). Equipped with a combination of a high-resolution microcalorimeter spectrometer and a large field-of-view CCD imager, we for the first time resolved the Fe xxv K-shell lines into fine structure lines and measured the forbidden-to-resonance intensity ratio to be $1.39 \pm 0.12$, which strongly suggests the presence of overionized plasma. We obtained a reliable constraint on the ionization temperature just before the transition into the overionization state, of $\gt\! 4\:$keV. The recombination timescale was constrained to be $\lt\! 8 \times 10^{11} \:$cm$^{-3}\:$s. The small velocity dispersion of $109 \pm 6\:$km$\:$s$^{-1}$ indicates a low Fe ion temperature $\lt\! 8\:$keV and a small expansion velocity $\lt\! 200\:$km$\:$s$^{-1}$. The high initial ionization temperature and small recombination timescale suggest that either rapid cooling of the plasma via adiabatic expansion from dense circumstellar material or intense photoionization by Sagittarius A$^{*}$ in the past may have triggered the overionization.

      DOI： 10.1093/pasj/psae111

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    • The XRISM/Resolve View of the Fe K Region of Cyg X-3 Peer-reviewed

      Marc Audard, Hisamitsu Awaki, Ralf Ballhausen, Aya Bamba, Ehud Behar, Rozenn Boissay-Malaquin, Laura Brenneman, Gregory V. Brown, Lia Corrales, Elisa Costantini, Renata Cumbee, María Díaz Trigo, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Dominique Eckert, Satoshi Eguchi, Teruaki Enoto, Yuichiro Ezoe, Adam Foster, Ryuichi Fujimoto, Yutaka Fujita, Yasushi Fukazawa, Kotaro Fukushima, Akihiro Furuzawa, Luigi Gallo, Javier A. García, Liyi Gu, Matteo Guainazzi, Kouichi Hagino, Kenji Hamaguchi, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Natalie Hell, Edmund Hodges-Kluck, Ann Hornschemeier, Yuto Ichinohe, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Jelle Kaastra, Timothy Kallman, Erin Kara, Satoru Katsuda, Yoshiaki Kanemaru, Richard Kelley, Caroline Kilbourne, Shunji Kitamoto, Shogo Kobayashi, Takayoshi Kohmura, Aya Kubota, Maurice Leutenegger, Michael Loewenstein, Yoshitomo Maeda, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian McNamara, François Mernier, Eric D. Miller, Jon M. Miller, Ikuyuki Mitsuishi, Misaki Mizumoto, Tsunefumi Mizuno, Koji Mori, Koji Mukai, Hiroshi Murakami, Richard Mushotzky, Hiroshi Nakajima, Kazuhiro Nakazawa, Jan-Uwe Ness, Kumiko Nobukawa, Masayoshi Nobukawa, Hirofumi Noda, Hirokazu Odaka, Shoji Ogawa, Anna Ogorzalek, Takashi Okajima, Naomi Ota, Stephane Paltani, Robert Petre, Paul Plucinsky, Frederick S. Porter, Katja Pottschmidt, Kosuke Sato, Toshiki Sato, Makoto Sawada, Hiromi Seta, Megumi Shidatsu, Aurora Simionescu, Randall Smith, Hiromasa Suzuki, Andrew Szymkowiak, Hiromitsu Takahashi, Mai Takeo, Toru Tamagawa, Keisuke Tamura, Takaaki Tanaka, Atsushi Tanimoto, Makoto Tashiro, Yukikatsu Terada, Yuichi Terashima, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Nagomi Uchida, Yuusuke Uchida, Hideki Uchiyama, Yoshihiro Ueda, Shinichiro Uno, Jacco Vink, Shin Watanabe, Brian J. Williams, Satoshi Yamada, Shinya Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yaqoob, Tomokage Yoneyama, Tessei Yoshida, Mihoko Yukita, Irina Zhuravleva, Ryota Tomaru, Tasuku Hayashi, Tomohiro Hakamata, Daiki Miura, Karri Koljonen, Mike McCollough

      The Astrophysical Journal Letters977 ( 2 ) L34 - L34   11 12 2024

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      Publishing type：Research paper (scientific journal)   Publisher：American Astronomical Society  

      Abstract

      The X-ray binary system Cygnus X-3 (4U 2030+40, V1521 Cyg) is luminous but enigmatic owing to the high intervening absorption. High-resolution X-ray spectroscopy uniquely probes the dynamics of the photoionized gas in the system. In this Letter, we report on an observation of Cyg X-3 with the XRISM/Resolve spectrometer, which provides unprecedented spectral resolution and sensitivity in the 2–10 keV band. We detect multiple kinematic and ionization components in absorption and emission whose superposition leads to complex line profiles, including strong P Cygni profiles on resonance lines. The prominent Fe xxv Heα and Fe xxvi Lyα emission complexes are clearly resolved into their characteristic fine-structure transitions. Self-consistent photoionization modeling allows us to disentangle the absorption and emission components and measure the Doppler velocity of these components as a function of binary orbital phase. We find a significantly higher velocity amplitude for the emission lines than for the absorption lines. The absorption lines generally appear blueshifted by ∼−500–600 km s<sup>−1</sup>. We show that the wind decomposes naturally into a relatively smooth and large-scale component, perhaps associated with the background wind itself, plus a turbulent, denser structure located close to the compact object in its orbit.

      DOI： 10.3847/2041-8213/ad8ed0

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      Other Link： https://iopscience.iop.org/article/10.3847/2041-8213/ad8ed0/pdf

    • The XRISM first-light observation: Velocity structure and thermal properties of the supernova remnant N 132D Peer-reviewed

      Marc Audard, Hisamitsu Awaki, Ralf Ballhausen, Aya Bamba, Ehud Behar, Rozenn Boissay-Malaquin, Laura Brenneman, Gregory V Brown, Lia Corrales, Elisa Costantini, Renata Cumbee, Maria Diaz-Trigo, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan Eckart, Dominique Eckert, Teruaki Enoto, Satoshi Eguchi, Yuichiro Ezoe, Adam Foster, Ryuichi Fujimoto, Yutaka Fujita, Yasushi Fukazawa, Kotaro Fukushima, Akihiro Furuzawa, Luigi Gallo, Javier A García, Liyi Gu, Matteo Guainazzi, Kouichi Hagino, Kenji Hamaguchi, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Natalie Hell, Edmund Hodges-Kluck, Ann Hornschemeier, Yuto Ichinohe, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Jelle Kaastra, Timothy Kallman, Erin Kara, Satoru Katsuda, Yoshiaki Kanemaru, Richard Kelley, Caroline Kilbourne, Shunji Kitamoto, Shogo Kobayashi, Takayoshi Kohmura, Aya Kubota, Maurice Leutenegger, Michael Loewenstein, Yoshitomo Maeda, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian McNamara, François Mernier, Eric D Miller, Jon M Miller, Ikuyuki Mitsuishi, Misaki Mizumoto, Tsunefumi Mizuno, Koji Mori, Koji Mukai, Hiroshi Murakami, Richard Mushotzky, Hiroshi Nakajima, Kazuhiro Nakazawa, Jan-Uwe Ness, Kumiko Nobukawa, Masayoshi Nobukawa, Hirofumi Noda, Hirokazu Odaka, Shoji Ogawa, Anna Ogorzalek, Takashi Okajima, Naomi Ota, Stephane Paltani, Robert Petre, Paul Plucinsky, Frederick Scott Porter, Katja Pottschmidt, Kosuke Sato, Toshiki Sato, Makoto Sawada, Hiromi Seta, Megumi Shidatsu, Aurora Simionescu, Randall Smith, Hiromasa Suzuki, Andrew Szymkowiak, Hiromitsu Takahashi, Mai Takeo, Toru Tamagawa, Keisuke Tamura, Takaaki Tanaka, Atsushi Tanimoto, Makoto Tashiro, Yukikatsu Terada, Yuichi Terashima, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi G Tsuru, Hiroyuki Uchida, Nagomi Uchida, Yuusuke Uchida, Hideki Uchiyama, Yoshihiro Ueda, Shinichiro Uno, Jacco Vink, Shin Watanabe, Brian J Williams, Satoshi Yamada, Shinya Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yaqoob, Tomokage Yoneyama, Tessei Yoshida, Mihoko Yukita, Irina Zhuravleva, Manan Agarwal, Yuken Ohshiro

      Publications of the Astronomical Society of Japan76 ( 6 ) 1186 - 1201   10 10 2024

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      Publishing type：Research paper (scientific journal)   Publisher：Oxford University Press (OUP)  

      Abstract

      We present an initial analysis of the X-Ray Imaging and Spectroscopy Mission (XRISM) first-light observation of the supernova remnant (SNR) N 132D in the Large Magellanic Cloud. The Resolve microcalorimeter has obtained the first high-resolution spectrum in the 1.6–10 keV band, which contains K-shell emission lines of Si, S, Ar, Ca, and Fe. We find that the Si and S lines are relatively narrow, with a broadening represented by a Gaussian-like velocity dispersion of $\sigma _v \sim 450$ km s$^{-1}$. However, the Fe He$\alpha$ lines are substantially broadened with $\sigma _v \sim 1670$ km s$^{-1}$. This broadening can be explained by a combination of the thermal Doppler effect due to the high ion temperature and the kinematic Doppler effect due to the SNR expansion. Assuming that the Fe He$\alpha$ emission originates predominantly from the supernova ejecta, we estimate the reverse shock velocity at the time when the bulk of the Fe ejecta were shock heated to be $-1000 \lesssim V_{\rm rs}$ (km s$^{-1}$) $\lesssim 3300$ (in the observer frame). We also find that Fe Ly$\alpha$ emission is redshifted with a bulk velocity of $\sim 890$ km s$^{-1}$, substantially larger than the radial velocity of the local interstellar medium surrounding N 132D. These results demonstrate that high-resolution X-ray spectroscopy is capable of providing constraints on the evolutionary stage, geometry, and velocity distribution of SNRs.

      DOI： 10.1093/pasj/psae080

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    • XRISM Spectroscopy of the Fe Kα Emission Line in the Seyfert Active Galactic Nucleus NGC 4151 Reveals the Disk, Broad-line Region, and Torus Peer-reviewed

      Marc Audard, Hisamitsu Awaki, Ralf Ballhausen, Aya Bamba, Ehud Behar, Rozenn Boissay-Malaquin, Laura Brenneman, Gregory V. Brown, Lia Corrales, Elisa Costantini, Renata Cumbee, Maria Diaz Trigo, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Dominique Eckert, Teruaki Enoto, Satoshi Eguchi, Yuichiro Ezoe, Adam Foster, Ryuichi Fujimoto, Yutaka Fujita, Yasushi Fukazawa, Kotaro Fukushima, Akihiro Furuzawa, Luigi Gallo, Javier A. García, Liyi Gu, Matteo Guainazzi, Kouichi Hagino, Kenji Hamaguchi, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Natalie Hell, Edmund Hodges-Kluck, Ann Hornschemeier, Yuto Ichinohe, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Jelle Kaastra, Timothy Kallman, Erin Kara, Satoru Katsuda, Yoshiaki Kanemaru, Richard Kelley, Caroline Kilbourne, Shunji Kitamoto, Shogo Kobayashi, Takayoshi Kohmura, Aya Kubota, Maurice Leutenegger, Michael Loewenstein, Yoshitomo Maeda, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian McNamara, François Mernier, Eric D. Miller, Jon M. Miller, Ikuyuki Mitsuishi, Misaki Mizumoto, Tsunefumi Mizuno, Koji Mori, Koji Mukai, Hiroshi Murakami, Richard Mushotzky, Hiroshi Nakajima, Kazuhiro Nakazawa, Jan-Uwe Ness, Kumiko Nobukawa, Masayoshi Nobukawa, Hirofumi Noda, Hirokazu Odaka, Shoji Ogawa, Anna Ogorzalek, Takashi Okajima, Naomi Ota, Stephane Paltani, Robert Petre, Paul Plucinsky, Frederick S. Porter, Katja Pottschmidt, Kosuke Sato, Toshiki Sato, Makoto Sawada, Hiromi Seta, Megumi Shidatsu, Aurora Simionescu, Randall Smith, Hiromasa Suzuki, Andrew Szymkowiak, Hiromitsu Takahashi, Mai Takeo, Toru Tamagawa, Keisuke Tamura, Takaaki Tanaka, Atsushi Tanimoto, Makoto Tashiro, Yukikatsu Terada, Yuichi Terashima, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Nagomi Uchida, Yuusuke Uchida, Hideki Uchiyama, Yoshihiro Ueda, Shinichiro Uno, Jacco Vink, Shin Watanabe, Brian J. Williams, Satoshi Yamada, Shinya Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yaqoob, Tomokage Yoneyama, Tessei Yoshida, Mihoko Yukita, Irina Zhuravleva, Xin Xiang, Takeo Minezaki, Margaret Buhariwalla, Dimitra Gerolymatou, Scott Hagen

      The Astrophysical Journal Letters973 ( 1 ) L25 - L25   1 9 2024

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      Publishing type：Research paper (scientific journal)   Publisher：American Astronomical Society  

      Abstract

      We present an analysis of the first two XRISM/Resolve spectra of the well-known Seyfert-1.5 active galactic nucleus (AGN) in NGC 4151, obtained in 2023 December. Our work focuses on the nature of the narrow Fe K<sub> α </sub> emission line at 6.4 keV, the strongest and most common X-ray line observed in AGN. The total line is found to consist of three components. Even the narrowest component of the line is resolved with evident Fe K<sub> α,1</sub> (6.404 keV) and K<sub> α,2</sub> (6.391 keV) contributions in a 2:1 flux ratio, fully consistent with neutral gas with negligible bulk velocity. Subject to the limitations of our models, the narrowest and intermediate-width components are consistent with emission from optically thin gas, suggesting that they arise in a disk atmosphere and/or wind. Modeling the three line components in terms of Keplerian broadening, they are readily associated with (1) the inner wall of the “torus,” (2) the innermost optical “broad-line region” (or “X-ray BLR”), and (3) a region with a radius of r ≃ 100 GM/c <sup>2</sup> that may signal a warp in the accretion disk. Viable alternative explanations of the broadest component include a fast-wind component and/or scattering; however, we find evidence of variability in the narrow Fe K<sub> α </sub> line complex on timescales consistent with small radii. The best-fit models are statistically superior to simple Voigt functions, but when fit with Voigt profiles the time-averaged lines are consistent with a projected velocity broadening of FWHM . Overall, the resolution and sensitivity of XRISM show that the narrow Fe K line in AGN is an effective probe of all key parts of the accretion flow, as it is currently understood. We discuss the implications of these findings for our understanding of AGN accretion, future studies with XRISM, and X-ray-based black hole mass measurements.

      DOI： 10.3847/2041-8213/ad7397

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      Other Link： https://iopscience.iop.org/article/10.3847/2041-8213/ad7397/pdf

    • Initial in-orbit operation of the soft x-ray spectrometer Resolve onboard the XRISM satellite

      Yoshitomo Maeda, Ryuichi Fujimoto, Hisamitsu Awaki, Jesus C. Balleza, Kim R. Barnstable, Thomas G. Bialas, Rozenn Boissay-Malaquin, Gregory V. Brown, Edgar R. Canavan, Timothy M. Carnahan, Meng P. Chiao, Brian J. Comber, Elisa Costantini, Renata S. Cumbee, Jan-Willem A. den Herder, Johannes Dercksen, Cor P. de Vries, Michael J. DiPirro, Megan E. Eckart, Yuichiro Ezoe, Carlo Ferrigno, Nathalie Q. S. Gorter, Steven M. Graham, Martin Grim, Leslie S. Hartz, Ryota Hayakawa, Takayuki Hayashi, Natalie Hell, Akio Hoshino, Yuto Ichinohe, Daiki Ishi, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Bryan L. James, Yoshiaki Kanemaru, Richard L. Kelley, Steven J. Kenyon, Caroline A. Kilbourne, Mark O. Kimball, Shunji Kitamoto, Maurice A. Leutenegger, Dan McCammon, Brian J. McLaughlin, Joseph J. Miko, Erik van der Meer, Misaki Mizumoto, Takashi Okajima, Atsushi Okamoto, Stéphane Paltani, Frederick S. Porter, Lillian S. Reichenthal, Kosuke Sato, Toshiki Sato, Yohichi Sato, Makoto Sawada, Keisuke Shinozaki, Russell F. Shipman, Peter J. Shirron, Gary A. Sneiderman, Soong Yang, Richard Szymkiewicz, Andrew E. Szymkowiak, Yoh Takei, Mai Takeo, Tsubasa Tamba, Keisuke Tamura, Masahiro Tsujimoto, Yuusuke Uchida, Stephen Wasserzug, Michael C. Witthoeft, Rob Wolfs, Shinya Yamada, Susumu Yasuda

      Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray   53 - 53   22 8 2024

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      Publishing type：Research paper (international conference proceedings)   Publisher：SPIE  

      DOI： 10.1117/12.3013008

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    • Overview and inflight performance of the resolve high-resolution soft X-Ray spectrometer on the X-Ray imaging and spectroscopy mission

      Richard L. Kelley, Hisamitsu Awaki, Jesus C. Balleza, Kim R. Barnstable, Thomas G. Bialas, Rozenn Boissay-Malaquin, Gregory V. Brown, Edgar R. Canavan, Timothy M. Carnahan, Meng P. Chiao, Brian J. Comber, Elisa Costantini, Renata S. Cumbee, Jan-Willem A. den Herder, Johannes Dercksen, Cor de Vries, Michael J. DiPirro, Megan E. Eckart, Yuichiro Ezoe, Carlo Ferrigno, Ryuichi Fujimoto, Nathalie Q. S. Gorter, Steven M. Graham, Martin Grim, Leslie S. Hartz, Ryota Hayakawa, Takayuki Hayashi, Natalie Hell, Akio Hoshino, Yuto Ichinohe, Daiki Ishi, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Bryan L. James, Yoshiaki Kanemaru, Steven J. Kenyon, Caroline A. Kilbourne, Mark O. Kimball, Shunji Kitamoto, Maurice A. Leutenegger, Yoshitomo Maeda, Dan McCammon, Brian J. McLaughlin, Joseph J. Miko, Erik van der Meer, Misaki Mizumoto, Takashi Okajima, Atsushi Okamoto, Stéphane Paltani, Frederick S. Porter, Lillian S. Reichenthal, Kosuke Sato, Toshiki Sato, Yohichi Sato, Makoto Sawada, Keisuke Shinozaki, Russell F. Shipman, Peter J. Shirron, Gary A. Sneiderman, Soong Yang, Richard Szymkiewicz, Andrew E. Szymkowiak, Yoh Takei, Mai Takeo, Tsubasa Tamba, Keisuke Tamura, Masahiro Tsujimoto, Yuusuke Uchida, Stephen Wasserzug, Michael C. Witthoeft, Rob Wolfs, Shinya Yamada, Susumu Yasuda

      Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray   55 - 55   22 8 2024

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      Publishing type：Research paper (international conference proceedings)   Publisher：SPIE  

      DOI： 10.1117/12.3017731

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    • Pre- and post-launch operation of the soft x-ray spectrometer Resolve on board the XRISM satellite

      Kosuke Sato, Yoshitaka Ishisaki, Richard L. Kelley, Hisamitsu Awaki, Jesus C. Balleza, Kim R. Barnstable, Thomas G. Bialas, Rozenn Boissay-Malaquin, Gregory V. Brown, Edgar R. Canavan, Renata S. Cumbee, Timothy M. Carnahan, Meng P. Chiao, Brian J. Comber, Elisa Costantini, Jan-Willem A. den Herder, Johannes Dercksen, Cor de Vries, Michael J. DiPirro, Megan E. Eckart, Yuichiro Ezoe, Carlo Ferrigno, Ryuichi Fujimoto, Nathalie Q. S. Gorter, Steven M. Graham, Martin Grim, Leslie S. Hartz, Ryota Hayakawa, Takayuki Hayashi, Natalie Hell, Akio Hoshino, Yuto Ichinohe, Daiki Ishi, Manabu Ishida, Kumi Ishikawa, Bryan L. James, Yoshiaki Kanemaru, Steven J. Kenyon, Caroline A. Kilbourne, Mark O. Kimball, Shunji Kitamoto, Maurice A. Leutenegger, Yoshitomo Maeda, Dan McCammon, Brian J. McLaughlin, Joseph J. Miko, Erik van der Meer, Misaki Mizumoto, Takashi Okajima, Atsushi Okamoto, Stéphane Paltani, Frederick S. Porter, Lillian S. Reichenthal, Toshiki Sato, Yohichi Sato, Makoto Sawada, Keisuke Shinozaki, Russell F. Shipman, Peter J. Shirron, Gary A. Sneiderman, Soong Yang, Richard Szymkiewicz, Andrew E. Szymkowiak, Yoh Takei, Mai Takeo, Tsubasa Tamba, Keisuke Tamura, Masahiro Tsujimoto, Yuusuke Uchida, Stephen Wasserzug, Michael C. Witthoeft, Rob Wolfs, Shinya Yamada, Susumu Yasuda, Seiji Yoshida

      Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray   232 - 232   21 8 2024

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      Publishing type：Research paper (international conference proceedings)   Publisher：SPIE  

      DOI： 10.1117/12.3019327

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    • Energy gain scale calibration of the XRISM Resolve microcalorimeter spectrometer: ground calibration results and on orbit comparison

      Megan E. Eckart, Gregory V. Brown, Meng P. Chiao, Renata S. Cumbee, Ryuichi Fujimoto, Natalie Hell, Akio Hoshino, Yoshitaka Ishisaki, Richard L. Kelley, Steven J. Kenyon, Caroline A. Kilbourne, Shunji Kitamoto, Maurice A. Leutenegger, Thomas E. Lockard, Michael Loewenstein, Edward W. Magee, Misaki Mizumoto, Frederick S. Porter, Kosuke Sato, Makoto Sawada, Chintan D. Shah, Russell F. Shipman, Gary A. Sneiderman, Yoh Takei, Masahiro Tsujimoto, Cor P. de Vries, Tomomi Watanabe, Michael C. Witthoeft, Rob Wolfs, Shinya Yamada, Tahir Yaqoob

      Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray   62 - 62   21 8 2024

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      Publishing type：Research paper (international conference proceedings)   Publisher：SPIE  

      DOI： 10.1117/12.3019276

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    • In-orbit operation of Resolve Filter Wheel and MXS

      Russell F. Shipman, Shunji Kitamoto, Rob Wolfs, Elisa Costantini, Megan E. Eckart, Carlo Ferrigno, Ludovic Genolet, Nathalie Q. S. Gorter, Martin Grim, Jan-Willem A. den Herder, Caroline A. Kilbourne, Maurice A. Leutenegger, Erik van der Meer, Misaki Mizumoto, Frederick S. Porter, Stéphane Paltani, Makoto Sawada, Simon Strotmann, Masahiro Tsujimoto, Cor P. de Vries

      Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray   225 - 225   21 8 2024

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      Publishing type：Research paper (international conference proceedings)   Publisher：SPIE  

      DOI： 10.1117/12.3017279

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    • Strategies for the in-orbit gain tracking using the modulated x-ray sources for the Resolve microcalorimeter spectrometer on XRISM

      Makoto Sawada, Renata S. Cumbee, Cor de Vries, Megan E. Eckart, Ryuichi Fujimoto, Yoshitaka Ishisaki, Caroline A. Kilbourne, Shunji Kitamoto, Maurice A. Leutenegger, Frederick S. Porter, Russell F. Shipman, Yoh Takei, Masahiro Tsujimoto

      Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray   234 - 234   21 8 2024

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      Publishing type：Research paper (international conference proceedings)   Publisher：SPIE  

      DOI： 10.1117/12.3019586

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    • Dark matter search in the Perseus cluster with simultaneous analysis of Hitomi and Suzaku data Peer-reviewed

      Fukuichi, Makoto, Kitamoto, Shunji, Sawada, Makoto, Tamura, Takayuki

      Publications of the Astronomical Society of Japan76 ( 8 ) 512 - 522   3 2024

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      Authorship：Corresponding author  

      DOI： 10.1093/pasj/psae027

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    • Development and operation status of x-ray imaging and spectroscopy mission (XRISM)

      Makoto Tashiro, Shin Watanabe, Hironori Maejima, Kenichi Toda, Kyoko Matsushita, Hiroya Yamaguchi, Richard Kelley, Lillian Reichenthal, Leslie Hartz, Robert Petre, Brian Williams, Matteo Guainazzi, Andrea Santovincenzo, Elisa Costantini, Yoh Takei, Yoshitaka Ishisaki, Ryuichi Fujimoto, Joy Henegar-Leon, Gary Sneiderman, Hiroshi Tomida, Koji Mori, Hiroshi Nakajima, Yukikatsu Terada, Matt Holland, Micheal Loewenstein, Timothy Kallman, Jelle Kaastra, Eric Miller, Makoto Sawada, Chris Done, Teruaki Enoto, Aya Bamba, Paul Plucinsky, Yoshihiro Ueda, Erin Kara, Irina Zhuravleva, Yutaka Fujita, Jose Antonio Querro, Yoshitaka Arai, Marc Audard, Hisamitsu Awaki, Chris Baluta, Nobutaka Bando, Ehud Behar, Thomas Bialas, Rozenn Boissay-Malaquin, Laura Brenneman, Gregory V. Brown, Meng Chiao, Lia Corrales, Renata Cumbee, Cor de Vries, Jan Willem den Herder, Maria Diaz-Trigo, Michael DiPirro, Tadayasu Dotani, Jacobo Ebrero Carrero, Ken Ebisawa, Megan Eckart, Dominique Eckert, Satoshi Eguchi, Yuichiro Ezoe, Carlo Ferrigno, Adam Foster, Yasushi Fukazawa, Kotaro Fukushima, Akihiro Furuzawa, Luigi Gallo, Nathalie Gorter, Martin Grim, Liyi Gu, Kohichi Hagino, Kenji Hamaguchi, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Natalie Hell, Edmund Hodges-Kluck, Takafumi Horiuchi, Ann Hornschemeier, Akio Hoshino, Yuto Ichinohe, Chisato Ikuta, Ryo Iizuka, Daiki Ishi, Manabu Ishida, Naoki Ishihama, Kumi Ishikawa, Kosei Ishimura, Tess Jaffe, Satoru Katsuda, Yoshiaki Kanemaru, Steven Kenyon, Caroline Kilbourne, Mark Kimball, Shunji Kitamoto, Shogo Kobayashi, Akihide Kobayashi, Takayoshi Kohmura, Aya Kubota

      Proceedings of SPIE - the international society for optical engineering13093   2024

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      Publishing type：Research paper (international conference proceedings)  

      DOI： 10.1117/12.3019325

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    • Relative timing calibration of the Resolve x-ray microcalorimeter onboard XRISM using the modulated x-ray source

      Tomoki Omama, Masahiro Tsujimoto, Makoto Sawada, Caroline A. Kilbourne, Cor de Vries, Megan E. Eckart, Yoshitaka Ishisaki, Shunji Kitamoto, Maurice A. Leutenegger, Frederick S. Porter, Rob Wolfs

      SPACE TELESCOPES AND INSTRUMENTATION 2022: ULTRAVIOLET TO GAMMA RAY12181   2022

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      Language：English   Publishing type：Research paper (international conference proceedings)  

      DOI： 10.1117/12.2629753

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    • Pulse parameters optimization of the modulated X-ray sources for the Resolve microcalorimeter spectrometer on XRISM

      Makoto Sawada, Renata Cumbee, Cor de Vries, Megan E. Eckart, Ryuichi Fujimoto, Yoshitaka Ishisaki, Caroline A. Kilbourne, Shunji Kitamoto, Maurice A. Leutenegger, Frederick S. Porter, Yoh Takei, Masahiro Tsujimoto

      SPACE TELESCOPES AND INSTRUMENTATION 2022: ULTRAVIOLET TO GAMMA RAY12181   2022

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      Language：English   Publishing type：Research paper (international conference proceedings)  

      DOI： 10.1117/12.2630133

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    • X-ray transmission calibration of the gate valve for the x-ray astronomy satellite XRISM Peer-reviewed

      Takuya Midooka, Masahiro Tsujimoto, Shunji Kitamoto, Nozomi Nakaniwa, Yoshitomo Maeda, Manabu Ishida, Ken Ebisawa, Mayu Tominaga

      Journal of Astronomical Telescopes, Instruments, and Systems7 ( 2 )   4 2021

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      Publishing type：Research paper (scientific journal)  

      DOI： 10.1117/1.JATIS.7.2.028005

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    • X-ray transmission measurements of the gate valve for the x-ray astronomy satellite XRISM

      Takuya Midooka, Masahiro Tsujimoto, Shunji Kitamoto, Nozomi Nakaniwa, Yoshitomo Maeda, Shinjiro Hayakawa, Manabu Ishida, Ken Ebisawa, Mayu Tominaga

      Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray11444   13 12 2020

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      Publishing type：Research paper (international conference proceedings)   Publisher：SPIE  

      DOI： 10.1117/12.2559451

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    • Status of x-ray imaging and spectroscopy mission (XRISM)

      Makoto S. Tashiro, Hironori Maejima, Kenichi Toda, Richard L. Kelley, Lillian Reichenthal, Leslie Hartz, Robert Petre, Brian J. Williams, Matteo Guainazzi, Elisa Costantini, Ryuichi Fujimoto, Kiyoshi Hayashida, Joy Henegar-Leon, Matt Holland, Yoshitaka Ishisaki, Caroline Kilbourne, Mike Loewenstein, Kyoko Matsushita, Koji Mori, Takashi Okajima, F. Scott Porter, Gary Sneiderman, Yoh Takei, Yukikatsu Terada, Hiroshi Tomida, Hiroya Yamaguchi, Shin Watanabe, Hiroki Akamatsu, Yoshitaka Arai, Marc Audard, Hisamitsu Awaki, Iurii Babyk, Aya Bamba, Nobutaka Bando, Ehud Behar, Thomas Bialas, Rozenn Boissay-Malaquin, Laura Brenneman, Greg Brown, Edgar Canavan, Meng Chiao, Brian Comber, Lia Corrales, Renata Cumbee, Cor de Vries, Jan-Willem den Herder, Johannes Dercksen, Maria Diaz-Trigo, Michael DiPirro, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan Eckart, Dominique Eckert, Satoshi Eguchi, Teruaki Enoto, Yuichiro Ezoe, Carlo Ferrigno, Yutaka Fujita, Yasushi Fukazawa, Akihiro Furuzawa, Luigi Gallo, Nathalie Gorter, Martin Grim, Liyi Gu, Kouichi Hagino, Kenji Hamaguchi, Isamu Hatsukade, David Hawthorn, Katsuhiro Hayashi, Natalie Hell, Junko Hiraga, Edmund Hodges-Kluck, Takafumi Horiuchi, Ann Hornschemeier, Akio Hoshino, Yuto Ichinohe, Sayuri Iga, Ryo Iizuka, Manabu Ishida, Naoki Ishihama, Kumi Ishikawa, Kosei Ishimura, Tess Jaffe, Jelle Kaastra, Timothy Kallman, Erin Kara, Satoru Katsuda, Steven Kenyon, Mark Kimball, Takao Kitaguti, Shunji Kitamoto, Shogo Kobayashi, Akihide Kobayashi, Takayoshi Kohmura, Aya Kubota, Maurice Leutenegger, Muzi Li, Tom Lockard, Yoshitomo Maeda, Maxim Markevitch, Connor Martz, Hironori Matsumoto, Keiichi Matsuzaki, Dan McCammon, Brian McLaughlin, Brian McNamara, Joseph Miko, Eric Miller, Jon Miller, Kenji Minesugi, Shinji Mitani, Ikuyuki Mitsuishi, Misaki Mizumoto, Tsunefumi Mizuno, Koji Mukai, Hiroshi Murakami, Richard Mushotzky, Hiroshi Nakajima, Hideto Nakamura, Kazuhiro Nakazawa, Chikara Natsukari, Kenichiro Nigo, Yusuke Nishioka, Kumiko Nobukawa, Masayoshi Nobukawa, Hirofumi Noda, Hirokazu Odaka, Mina Ogawa, Takaya Ohashi, Masahiro Ohno, Masayuki Ohta, Atsushi Okamoto, Naomi Ota, Masanobu Ozaki, Stephane Paltani, Paul Plucinsky, Katja Pottschmidt, Michael Sampson, Takahiro Sasaki, Kosuke Sato, Rie Sato, Toshiki Sato, Makoto Sawada, Hiromi Seta, Yasuko Shibano, Maki Shida, Megumi Shidatsu, Shuhei Shigeto, Keisuke Shinozaki, Peter Shirron, Aurora Simionescu, Randall Smith, Kazunori Someya, Yang Soong, Keisuke Sugawara, Yasuharu Sugawara, Andy Szymkowiak, Hiromitsu Takahashi, Toshiaki Takeshima, Toru Tamagawa, Keisuke Tamura, Takaaki Tanaka, Atsushi Tanimoto, Yuichi Terashima, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Yuusuke Uchida, Hideki Uchiyama, Yoshihiro Ueda, Shinichiro Uno, Jacco Vink, Tomomi Watanabe, Michael Wittheof, Rob Wolfs, Shinya Yamada, Kazutaka Yamaoka, Noriko Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Keiichi Yanagase, Tahir Yaqoob, Susumu Yasuda, Tessei Yoshida, Nasa Yoshioka, Irina Zhuravleva

      Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray11444   13 12 2020

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      Publishing type：Research paper (international conference proceedings)   Publisher：SPIE  

      DOI： 10.1117/12.2565812

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    • Cooling system for the Resolve onboard XRISM

      Yuichiro Ezoe, Yoshitaka Ishisaki, Ryuichi Fujimoto, Yoh Takei, Takafumi Horiuchi, Masahiro Tsujimoto, Kumi Ishikawa, Susumu Yasuda, Keiichi Yanagase, Yasuko Shibano, Kosuke Sato, Shunji, Kitamoto, Seiji Yoshida, Keiichi Kanao, Shoji Tsunematsu, Kiyomi Otsuka, Syou Mizunuma, Masahito Isshiki, Richard L. Kelley, Calorine A. Kilbourne, Frederick S. Porter, Michael J. DiPirro, Peter Shirron

      Cryogenics108   103016 - 103016   6 2020

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      Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

      DOI： 10.1016/j.cryogenics.2019.103016

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    • The Modulating Optical Depth of the Photoelectric Absorption Edge with a Pulse Phase in Accretion-powered X-Ray Pulsars Peer-reviewed

      Yuki Yoshida, Shunji Kitamoto

      The Astrophysical Journal880 ( 2 ) 101 - 101   31 7 2019

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      Publishing type：Research paper (scientific journal)   Publisher：American Astronomical Society  

      DOI： 10.3847/1538-4357/ab2b3d

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      Other Link： https://iopscience.iop.org/article/10.3847/1538-4357/ab2b3d

    • An application of the Ghosh &amp; Lamb model to the accretion-powered X-ray pulsar X Persei Peer-reviewed

      Fumiaki Yatabe, Kazuo Makishima, Tatehiro Mihara, Motoki Nakajima, Mutsumi Sugizaki, Shunji Kitamoto, Yuki Yoshida, Toshihiro Takagi

      Publications of the Astronomical Society of Japan70 ( 5 )   6 9 2018

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      Publishing type：Research paper (scientific journal)   Publisher：Oxford University Press (OUP)  

      Abstract

      The accretion-induced pulse period changes of the Be/X-ray binary pulsar X Persei were investigated over the period of 1996 January to 2017 September. This study utilized the monitoring data acquired with the RXTE All-Sky Monitor in 1.5–12 keV and the MAXI Gas-Slit Camera in 2–20 keV. The source intensity changed by a factor of 5–6 over this period. The pulsar was spinning down for 1996–2003, and has been spinning up since 2003, as already reported. The spin-up/down rate and the 3–12 keV flux, determined every 250 d, showed a clear negative correlation, which can be successfully explained by the accretion torque model proposed by Ghosh and Lamb (1979, ApJ, 234, 296). When the mass, radius, and distance of the neutron star were allowed to vary over a range of 1.0–2.4 solar masses, 9.5–15 km, and 0.77–0.85 kpc, respectively, the magnetic field strength of B = (4–25) × 1013 G gave the best fits to the observations. In contrast, the observed results cannot be explained by the values of B ∼ 1012 G previously suggested for X Persei, as long as the mass, radius, and distance are required to take reasonable values. Assuming a distance of 0.81 ± 0.04 kpc as indicated by optical astrometry, the mass of the neutron star is estimated as M = 2.03 ± 0.17 solar masses.

      DOI： 10.1093/pasj/psy088

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    • Resolve Instrument on X-ray Astronomy Recovery Mission (XARM)

      Y. Ishisaki, Y. Ezoe, S. Yamada, Y. Ichinohe, R. Fujimoto, Y. Takei, S. Yasuda, M. Ishida, N. Y. Yamasaki, Y. Maeda, M. Tsujimoto, R. Iizuka, S. Koyama, H. Noda, T. Tamagawa, M. Sawada, K. Sato, S. Kitamoto, A. Hoshino, G. V. Brown, M. E. Eckart, T. Hayashi, R. L. Kelley, C. A. Kilbourne, M. A. Leutenegger, H. Mori, T. Okajima, F. S. Porter, Y. Soong, D. McCammon, A. E. Szymkowiak, The XARM Resolve Team

      Journal of Low Temperature Physics193 ( 5-6 ) 1 - 5   19 4 2018

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      Language：English   Publishing type：Research paper (scientific journal)   Publisher：Springer New York LLC  

      DOI： 10.1007/s10909-018-1913-4

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    • Hitomi X-ray observation of the pulsar wind nebula G21.5-0.9 Peer-reviewed

      Hitomi Collaboration

      PASJ70 ( 3 )   3 4 2018

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      Language：English   Publishing type：Research paper (scientific journal)   Publisher：the Astronomical Society of Japan  

      We present results from the Hitomi X-ray observation of a young composite-type supernova remnant (SNR) G21.5−0.9, whose emission is dominated by the pulsar wind nebula (PWN) contribution. The X-ray spectra in the 0.8–80 keV range obtained with the Soft X-ray Spectrometer (SXS), Soft X-ray Imager, and Hard X-ray Imager (HXI) show a significant break in the continuum as previously found with the NuSTAR observation. After taking into account all known emissions from the SNR other than the PWN itself, we find that the Hitomi spectra can be fitted with a broken power law with photon indices of Γ1 = 1.74 ± 0.02 and Γ2 = 2.14 ± 0.01 below and above the break at 7.1 ± 0.3 keV, which is significantly lower than the NuSTAR result (∼9.0 keV). The spectral break cannot be reproduced by time-dependent particle injection one-zone spectral energy distribution models, which strongly indicates that a more complex emission model is needed, as suggested by recent theoretical models. We also search for narrow emission or absorption lines with the SXS, and perform a timing analysis of PSR J1833−1034 with the HXI and the Soft Gamma-ray Detector. No significant pulsation is found from the pulsar. However, unexpectedly, narrow absorption line features are detected in the SXS data at 4.2345 keV and 9.296 keV with a significance of 3.65 σ. While the origin of these features is not understood, their mere detection opens up a new field of research and was only possible with the high resolution, sensitivity, and ability to measure extended sources provided by an X-ray microcalorimeter.

      DOI： 10.1093/pasj/psy027

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    • Atmospheric gas dynamics in the Perseus cluster observed with Hitomi Peer-reviewed

      Hitomi Collaboration

      Publications of the Astronomical Society of Japan,70 ( 2 )   3 2018

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      Language：English   Publishing type：Research paper (scientific journal)   Publisher：the Astronomical Society of Japan,  

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    • Ground calibration of the Astro-H (Hitomi) soft x-ray spectrometer Peer-reviewed

      Eckart M.E, Adams J.S, Boyce K.R, Brown G.V, Chiao M.P, Fujimoto R, Haas D, Den Herder J.-W, Hoshino A, Ishisaki Y, Kilbourne C.A, Kitamoto S, Leutenegger M.A, McCammon D, Mitsuda K, Porter F.S, Sato K, Sawada M, Seta H, Sneiderman G.A, Szymkowiak A.E, Takei Y, Tashiro M.S, Tsujimoto M, De Vries C.P, Watanabe T, Yamada S, Yamasaki N.Y

      Journal of Astronomical Telescopes, Instruments, and Systems4 ( 2 )   2018

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    • Performance of the helium dewar and the cryocoolers of the Hitomi soft x-ray spectrometer

      Ryuichi Fujimoto, Yoh Takei, Kazuhisa Mitsuda, Noriko Y. Yamasaki, Masahiro Tsujimoto, Shu Koyama, Kumi Ishikawa, Hiroyuki Sugita, Yoichi Sato, Keisuke Shinozaki, Atsushi Okamoto, Shunji Kitamoto, Akio Hoshino, Kosuke Sato, Yuichiro Ezoe, Yoshitaka Ishisaki, Shinya Yamada, Hiromi Seta, Takaya Ohashi, Toru Tamagawa, Hirofumi Noda, Makoto Sawada, Makoto Tashiro, Yoichi Yatsu, Ikuyuki Mitsuishi, Kenichi Kanao, Seiji Yoshida, Mikio Miyaoka, Shoji Tsunematsu, Kiyomi Otsuka, Katsuhiro Narasaki, Michael J. DiPirro, Peter J. Shirron, Gary A. Sneiderman, Caroline A. Kilbourne, Frederick Scott Porter, Meng P. Chiao, Megan E. Eckart

      Journal of Astronomical Telescopes, Instruments, and Systems4   1 1 2018

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    • The Intensity Modulation of the Fluorescent Line by a Finite Light Speed Effect in Accretion-powered X-Ray Pulsars Peer-reviewed

      Yuki Yoshida, Shunji Kitamoto, Akio Hoshino

      ASTROPHYSICAL JOURNAL849 ( 2 )   11 2017

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      Language：English   Publishing type：Research paper (scientific journal)  

      DOI： 10.3847/1538-4357/aa9023

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    • Solar abundance ratios of the iron-peak elements in the Perseus cluster Peer-reviewed

      Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steven W. Allen, Lorella Angelini, Marc Audard, Hisamitsu Awaki, Magnus Axelsson, Aya Bamba, Marshall W. Bautz, Roger Blandford, Laura W. Brenneman, Gregory V. Brown, Esra Bulbul, Edward M. Cackett, Maria Chernyakova, Meng P. Chiao, Paolo S. Coppi, Elisa Costantini, Jelle De Plaa, Jan-Willem den Herder, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan E. Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew C. Fabian, Carlo Ferrigno, Adam R. Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi C. Gallo, Poshak Gandhi, Margherita Giustini, Andrea Goldwurm, Liyi Gu, Matteo Guainazzi, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, Ilana M. Harrus, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Kiyoshi Hayashida, Junko S. Hiraga, Ann Hornschemeier, Akio Hoshino, John P. Hughes, Yuto Ichinohe, Ryo Iizuka, Hajime Inoue, Yoshiyuki Inoue, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Masachika Iwai, Jelle Kaastra, Tim Kallman, Tsuneyoshi Kamae, Jun Kataoka, Satoru Katsuda, Nobuyuki Kawai, Richard L. Kelley, Caroline A. Kilbourne, Takao Kitaguchi, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Katsuji Koyama, Shu Koyama, Peter Kretschmar, Hans A. Krimm, Aya Kubota, Hideyo Kunieda, Philippe Laurent, Shiu-Hang Lee, Maurice A. Leutenegger, Olivier Limousine, Michael Loewenstein, Knox S. Long, David Lumb, Greg Madejski, Yoshitomo Maeda, Daniel Maier, Kazuo Makishima, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian R. McNamara, Missagh Mehdipour, Eric D. Miller, Jon M. Miller, Shin Mineshige, Kazuhisa Mitsuda, Ikuyuki Mitsuishi, Takuya Miyazawa, Tsunefumi Mizuno, Hideyuki Mori, Koji Mori, Koji Mukai, Hiroshi Murakami, Richard F. Mushotzky, Takao Nakagawa, Hiroshi Nakajima, Takeshi Nakamori, Shinya Nakashima, Kazuhiro Nakazawa, Kumiko K. Nobukawa, Masayoshi Nobukawa, Hirofumi Noda, Hirokazu Odaka, Takaya Ohashi, Masanori Ohno, Takashi Okajima, Naomi Ota, Masanobu Ozaki, Frits Paerels, StPhane Paltani, Robert Petre, Ciro Pinto, Frederick S. Porter, Katja Pottschmidt, Christopher S. Reynolds, Samar Safi-Harb, Shinya Saito, Kazuhiro Sakai, Toru Sasaki, Goro Sato, Kosuke Sato, Rie Sato, Makoto Sawada, Norbert Schartel, Peter J. Serlemitsos, Hiromi Seta, Megumi Shidatsu, Aurora Simionescu, Randall K. Smith, Yang Soong, Lukasz Stawarz, Yasuharu Sugawara, Satoshi Sugita, Andrew Szymkowiak, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Shin'ichiro Takeda, Yoh Takei, Toru Tamagawa, Takayuki Tamura, Takaaki Tanaka, Yasuo Tanaka, Yasuyuki T. Tanaka, Makoto S. Tashiro, Yuzuru Tawara, Yukikatsu Terada, Yuichi Terashima, Francesco Tombesi, Hiroshi Tomida, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Go Tsuru, Hiroyuki Uchida, Hideki Uchiyama, Yasunobu Uchiyama, Shutaro Ueda, Yoshihiro Ueda, Shin'ichiro Uno, C. Megan Urry, Eugenio Ursino, Cor P. de Vries, Shin Watanabe, Norbert Werner, Daniel R. Wik, Dan R. Wilkins, Brian J. Williams, Shinya Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Y. Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yaqoob, Yoichi Yatsu, Daisuke Yonetoku, Irina Zhuravleva, Abderahmen Zoghbi

      NATURE551 ( 7681 ) 478 - +   11 2017

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      Language：English   Publishing type：Research paper (scientific journal)  

      DOI： 10.1038/nature24301

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    • Orbital modulations of X-ray light curves of Cygnus X-1 in its low/hard and high/soft states Peer-reviewed

      Juri Sugimoto, Shunji Kitamoto, Tatehiro Mihara, Masaru Matsuoka

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN69 ( 3 ) 52   6 2017

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      Language：English   Publishing type：Research paper (scientific journal)  

      DOI： 10.1093/pasj/psx028

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    • Hitomi Constraints on the 3.5 keV Line in the Perseus Galaxy Cluster Peer-reviewed

      F. A. Aharonian, H. Akamatsu, F. Akimoto, S. W. Allen, L. Angelini, K. A. Arnaud, M. Audard, H. Awaki, M. Axelsson, A. Bamba, M. W. Bautz, R. D. Blandford, E. Bulbul, L. W. Brenneman, G. V. Brown, E. M. Cackett, M. Chernyakova, M. P. Chiao, P. Coppi, E. Costantini, J. de Plaa, J. -W. den Herder, C. Done, T. Dotani, K. Ebisawa, M. E. Eckart, T. Enoto, Y. Ezoe, A. C. Fabian, C. Ferrigno, A. R. Foster, R. Fujimoto, Y. Fukazawa, A. Furuzawa, M. Galeazzi, L. C. Gallo, P. Gandhi, M. Giustini, A. Goldwurm, L. Gu, M. Guainazzi, Y. Haba, K. Hagino, K. Hamaguchi, I. Harrus, I. Hatsukade, K. Hayashi, T. Hayashi, K. Hayashida, J. Hiraga, A. E. Hornschemeier, A. Hoshino, J. P. Hughes, Y. Ichinohe, R. Iizuka, H. Inoue, S. Inoue, Y. Inoue, K. Ishibashi, M. Ishida, K. Ishikawa, Y. Ishisaki, M. Itoh, M. Iwai, N. Iyomoto, J. S. Kaastra, T. Kallman, T. Kamae, E. Kara, J. Kataoka, S. Katsuda, J. Katsuta, M. Kawaharada, N. Kawai, R. L. Kelley, D. Khangulyan, C. A. Kilbourne, A. L. King, T. Kitaguchi, S. Kitamoto, T. Kitayama, T. Kohmura, M. Kokubun, S. Koyama, K. Koyama, P. Kretschmar, H. A. Krimm, A. Kubota, H. Kunieda, P. Laurent, F. Lebrun, S. -H. Lee, M. A. Leutenegger, O. Limousin, M. Loewenstein, K. S. Long, D. H. Lumb, G. M. Madejski, Y. Maeda, D. Maier, K. Makishima, M. Markevitch, H. Matsumoto, K. Matsushita, D. McCammon, B. R. McNamara, M. Mehdipour, E. D. Miller, J. M. Miller, S. Mineshige, K. Mitsuda, I. Mitsuishi, T. Miyazawa, T. Mizuno, H. Mori, K. Mori, H. Moseley, K. Mukai, H. Murakami, T. Murakami, R. F. Mushotzky, T. Nakagawa, H. Nakajima, T. Nakamori, T. Nakano, S. Nakashima, K. Nakazawa, K. Nobukawa, M. Nobukawa, H. Noda, M. Nomachi, S. L. O'Dell, H. Odaka, T. Ohashi, M. Ohno, T. Okajima, N. Ota, M. Ozaki, F. Paerels, S. Paltani, A. Parmar, R. Petre, C. Pinto, M. Pohl, F. S. Porter, K. Pottschmidt, B. D. Ramsey, C. S. Reynolds, H. R. Russell, S. Safi-Harb, S. Saito, K. Sakai, H. Sameshima, T. Sasaki, G. Sato, K. Sato, R. Sato, M. Sawada, N. Schartel, P. J. Serlemitsos, H. Seta, M. Shidatsu, A. Simionescu, R. K. Smith, Y. Soong, L. Stawarz, Y. Sugawara, S. Sugita, A. E. Szymkowiak, H. Tajima, H. Takahashi, T. Takahashi, S. Takeda, Y. Takei, T. Tamagawa, K. Tamura, T. Tamura, T. Tanaka, Yasuo Tanaka, Yasuyuki Tanaka, M. Tashiro, Y. Tawara, Y. Terada, Y. Terashima, F. Tombesi, H. Tomida, Y. Tsuboi, M. Tsujimoto, H. Tsunemi, T. Tsuru, H. Uchida, H. Uchiyama, Y. Uchiyama, S. Ueda, Y. Ueda, S. Ueno, S. Uno, C. M. Urry, E. Ursino, C. P. de Vries, S. Watanabe, N. Werner, D. R. Wik, D. R. Wilkins, B. J. Williams, S. Yamada, H. Yamaguchi, K. Yamaoka, N. Y. Yamasaki, M. Yamauchi, S. Yamauchi, T. Yaqoob, Y. Yatsu, D. Yonetoku, A. Yoshida, I. Zhuravleva, A. Zoghbi

      ASTROPHYSICAL JOURNAL LETTERS837 ( 1 ) L15 - L23   3 2017

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      DOI： 10.3847/2041-8213/aa61fa

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    • A Suzaku View of Accretion- powered X-Ray Pulsar GX 1+4 Peer-reviewed

      Yuki Yoshida, Shunji Kitamoto, Hiroo Suzuki, Akio Hoshino, Sachindra Naik, Gaurava K. Jaisawal

      ASTROPHYSICAL JOURNAL838 ( 1 ) 30 - 44   3 2017

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      DOI： 10.3847/1538-4357/aa6301

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    • The quiescent intracluster medium in the core of the Perseus cluster Peer-reviewed

      Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steven W. Allen, Naohisa Anabuki, Lorella Angelini, Keith Arnaud, Marc Audard, Hisamitsu Awaki, Magnus Axelsson, Aya Bamba, Marshall Bautz, Roger Blandford, Laura Brenneman, Gregory V. Brown, Esra Bulbul, Edward Cackett, Maria Chernyakova, Meng Chiao, Paolo Coppi, Elisa Costantini, Jelle de Plaa, Jan-Willem den Herder, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan Eckart, Teruaki Enoto, Yuichiro Ezoe, Andrew C. Fabian, Carlo Ferrigno, Adam Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi Gallo, Poshak Gandhi, Margherita Giustini, Andrea Goldwurm, Liyi Gu, Matteo Guainazzi, Yoshito Haba, Kouichi Hagino, Kenji Hamaguchi, Ilana Harrus, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Kiyoshi Hayashida, Junko Hiraga, Ann Hornschemeier, Akio Hoshino, John Hughes, Ryo Iizuka, Hajime Inoue, Yoshiyuki Inoue, Kazunori Ishibashi, Manabu Ishida, Kumi Ishikawa, Yoshitaka Ishisaki, Masayuki Itoh, Naoko Iyomoto, Jelle Kaastra, Timothy Kallman, Tuneyoshi Kamae, Erin Kara, Jun Kataoka, Satoru Katsuda, Junichiro Katsuta, Madoka Kawaharada, Nobuyuki Kawai, Richard Kelley, Dmitry Khangulyan, Caroline Kilbourne, Ashley King, Takao Kitaguchi, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Shu Koyama, Katsuji Koyama, Peter Kretschmar, Hans Krimm, Aya Kubota, Hideyo Kunieda, Philippe Laurent, Francois Lebrun, Shiu-Hang Lee, Maurice Leutenegger, Olivier Limousin, Michael Loewenstein, Knox S. Long, David Lumb, Grzegorz Madejski, Yoshitomo Maeda, Daniel Maier, Kazuo Makishima, Maxim Markevitch, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Brian McNamara, Missagh Mehdipour, Eric Miller, Jon Miller, Shin Mineshige, Kazuhisa Mitsuda, Ikuyuki Mitsuishi, Takuya Miyazawa, Tsunefumi Mizuno, Hideyuki Mori, Koji Mori, Harvey Moseley, Koji Mukai, Hiroshi Murakami, Toshio Murakami, Richard Mushotzky, Ryo Nagino, Takao Nakagawa, Hiroshi Nakajima, Takeshi Nakamori, Toshio Nakano, Shinya Nakashima, Kazuhiro Nakazawa, Masayoshi Nobukawa, Hirofumi Noda, Masaharu Nomachi, Steve O'Dell, Hirokazu Odaka, Takaya Ohashi, Masanori Ohno, Takashi Okajima, Naomi Ota, Masanobu Ozaki, Frits Paerels, Stephane Paltani, Arvind Parmar, Robert Petre, Ciro Pinto, Martin Pohl, F. Scott Porter, Katja Pottschmidt, Brian Ramsey, Christopher Reynolds, Helen Russell, Samar Safi-Harb, Shinya Saito, Kazuhiro Sakai, Hiroaki Sameshima, Goro Sato, Kosuke Sato, Rie Sato, Makoto Sawada, Norbert Schartel, Peter Serlemitsos, Hiromi Seta, Megumi Shidatsu, Aurora Simionescu, Randall Smith, Yang Soong, Lukasz Stawarz, Yasuharu Sugawara, Satoshi Sugita, Andrew Szymkowiak, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Shin'ichiro Takeda, Yoh Takei, Toru Tamagawa, Keisuke Tamura, Takayuki Tamura, Takaaki Tanaka, Yasuo Tanaka, Yasuyuki Tanaka, Makoto Tashiro, Yuzuru Tawara, Yukikatsu Terada, Yuichi Terashima, Francesco Tombesi, Hiroshi Tomida, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Hideki Uchiyama, Yasunobu Uchiyama, Shutaro Ueda, Yoshihiro Ueda, Shiro Ueno, Shin'ichiro Uno, Meg Urry, Eugenio Ursino, Cor De Vries, Shin Watanabe, Norbert Werner, Daniel Wik, Dan Wilkins, Brian Williams, Shinya Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Y. Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yaqoob, Yoichi Yatsu, Daisuke Yonetoku, Atsumasa Yoshida, Takayuki Yuasa, Irina Zhuravleva, Abderahmen Zoghbi

      NATURE535 ( 7610 ) 117 - +   7 2016

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      Language：English   Publishing type：Research paper (scientific journal)  

      DOI： 10.1038/nature18627

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    • MAXI observations of long-term variations of Cygnus X-1 in the low/hard and the high/soft states Peer-reviewed

      Juri Sugimoto, Tatehiro Mihara, Shunji Kitamoto, Masaru Matsuoka, Mutsumi Sugizaki, Hitoshi Negoro, Satoshi Nakahira, Kazuo Makishima

      Publications of the Astronomical Society of Japan68 ( S17 ) 17   1 6 2016

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      DOI： 10.1093/pasj/psw004

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    • 21pCD-11 Status of the Soft X-ray Spectrometer (SXS) onboard ASTRO-H

      Tashiro M. S., Mitsuda k., Yamasaki N., Takei Y., Tsujimoto M., Ogawa M., Koyama S., Sakai K., Sugita H., Sato Y., Shinozaki, Okamoto A., Fujimoto R., Ohashi T., Ishisaki Y., Ezoe Y., Yamada S., Seta H., Terada Y., Kitamoto S., Hoshino A., Tamagawa T., Ishikawa K., Noda H., Sato K., Ota N., Sawada M., Mitsuishi I., Murakami M., Murakami H., Iyomoto N., Kelley R. L., Kilbourne C. A., Porter F. S., Boyce K. R., Eckart M. E., Chiao M. P., Leutenegger M. A., Brown G. V., McCammon D., Szymkowiak A., Herder J. -W. den, Haas D., Vries C. de, Costantini E., Akamatsu H., Paltani S., ASTRO-H SXS team

      Meeting Abstracts of the Physical Society of Japan71   509 - 509   2016

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      DOI： 10.11316/jpsgaiyo.71.1.0_509

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    • In-orbit performance of the Soft X-ray Spectrometer (SXS) onboard ASTRO-H (Hitomi)

      Fujimoto R., Mitsuda K., Yamasaki N. Y., Takei Y., Tsujimoto M., Ogawa M., Koyama S., Ishikawa K., Sugita H., Sato Y., Shinozaki K., Okamoto A., Ohashi T., Ishisaki Y., Ezoe Y., Yamada S., Seta H., Tashiro M. S., Terada Y., Kitamoto S., Hoshino A., Tamagawa T., Sato K., Sawada M., Noda H., Mitsuishi I., Murakami H., Ota N., Iyomoto N., Murakami M., Kelley R. L., Kilbourne C. A., Porter F. S., Boyce K. R., Sneiderman G. A., DiPirro M. J., Shirron P. J., Bialas T., Eckart M. E., Chiao M. P., Leutenegger M. A., Watanabe T., Sakai K., Brown G. V., McCammon D., Szymkowiak A., Herder J. -W. den, Haas D., Vries C. de, Costantini E., Akamatsu H., Paltani S., ASTRO-H SXS team

      Meeting Abstracts of the Physical Society of Japan71   367 - 367   2016

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      DOI： 10.11316/jpsgaiyo.71.2.0_367

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    • Performance of the helium dewar and cryocoolers of ASTRO-H SXS

      Ryuichi Fujimoto, Yoh Takei, Kazuhisa Mitsuda, Noriko Y. Yamasaki, Masahiro Tsujimoto, Shu Koyama, Kumi Ishikawa, Hiroyuki Sugita, Yoichi Sato, Keisuke Shinozaki, Atsushi Okamoto, Shunji Kitamoto, Akio Hoshino, Kosuke Sato, Yuichiro Ezoe, Yoshitaka Ishisaki, Shinya Yamada, Hiromi Seta, Takaya Ohashi, Toru Tamagawa, Hirofumi Noda, Makoto Sawada, Makoto Tashiro, Yoichi Yatsu, Ikuyuki Mitsuishi, Kenichi Kanao, Seiji Yoshida, Mikio Miyaoka, Shoji Tsunematsu, Kiyomi Otsuka, Katsuhiro Narasaki, Michael J. DiPirro, Peter J. Shirron, Gary A. Sneiderman, Caroline A. Kilbourne, F. Scott Porter, Meng P. Chiao, Megan E. Eckart, Richard L. Kelley

      Proceedings of SPIE - The International Society for Optical Engineering9905   1 1 2016

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    • The Astro-H High Resolution Soft X-Ray Spectrometer Peer-reviewed

      Kelley Richard L, Akamatsu Hiroki, Azzarell Phillipp, Bialas Tom, Boyce Kevin R, Brown Gregory V, Canavan Edgar, Chiao Meng P, Costantini Elisa, DiPirro Michael J, Eckart Megan E, Ezoe Yuichiro, Fujimoto Ryuichi, Haas Daniel, den Herder Jan-Willem, Hoshino Akio, Ishikawa Kumi, Ishisaki Yoshitaka, Iyomoto Naoko, Kilbourne Caroline A, Kimball Mark, Kitamoto Shunji, Konami Saori, Koyama Shu, Leutenegger Maurice A, McCammon Dan, Miko Joseph, Mitsuda Kazuhisa, Mitsuishi Ikuyuki, Moseley Harvey, Murakami Hiroshi, Murakami Masahide, Noda Hirofumi, Ogawa Mina, Ohashi Takaya, Okamoto Atsushi, Ota Naomi, Paltani Stephane, Porter F. Scott, Sakai Kazuhiro, Sato Kosuke, Sato Yohichi, Sawada Makoto, Seta Hiromi, Shinozaki Keisuke, Shirron Peter J, Sneiderman Gary A, Sugita Hiroyuki, Szymkowiak Andrew E, Takei Yoh, Tamagawa Toni, Tashiro Makoto, Terada Yukikatsu, Tsujimoto Masahiro, de Vries Cor P, Yamada Shinya, Yamasaki Noriko Y, Yatsu Yoichi

      SPACE TELESCOPES AND INSTRUMENTATION 2016: ULTRAVIOLET TO GAMMA RAY9905   2016

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      DOI： 10.1117/12.2232509

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    • In-orbit operation of the ASTRO-H SXS Peer-reviewed

      Tsujimoto Masahiro, Mitsuda Kazuhisa, Kelley Richard L, den Herder Jan-Willem A, Akamatsu Hiroki, Bialas Thomas G, Boyce Kevin R, Brown Gregory V, Chiao Meng P, Costantini Elisa, de Vries Cor P, DiPirro Michael J, Eckart Megan E, Ezoe Yuichiro, Fujimoto Ryuichi, Haas Daniel, Hoshino Akio, Ishikawa Kumi, Ishisaki Yoshitaka, Iyomoto Naoko, Kilbourne Caroline A, Kitamoto Shunji, Koyama Shu, Leutenegger Maurice A, McCammon Dan, Mitsuishi Ikuyuki, Murakami Hiroshi, Murakami Masahide, Noda Hirofumi, Ogawa Mina, Ota Naomi, Paltani Stephane, Porter Frederick S, Sato Kosuke, Sato Yoichi, Sawada Makoto, Seta Hiromi, Shinozaki Keisuke, Shirron Peter J, Sneiderman Gary A, Sugita Hiroyuki, Szymkowiak Andrew E, Takei Yoh, Tamagawa Toru, Tashiro Makoto S, Terada Yukikatsu, Yamada Shinya, Yamasaki Noriko Y, Yatsu Yoichi

      SPACE TELESCOPES AND INSTRUMENTATION 2016: ULTRAVIOLET TO GAMMA RAY9905   2016

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      DOI： 10.1117/12.2231784

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    • New multiwavelength observations of the Of?p star CPD-28 degrees 2561 Peer-reviewed

      S. Hubrig, M. Schoeller, A. F. Kholtygin, H. Tsumura, A. Hoshino, S. Kitamoto, L. Oskinova, R. Ignace, H. Todt, I. Ilyin

      MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY447 ( 2 ) 1885 - 1894   2 2015

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      DOI： 10.1093/mnras/stu2516

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    • 23pDK-4 Development status of Soft X-ray Spectrometer (SXS) onboard ASTRO-H (VI)

      Ishisaki K., Mitsuda K., Yamasaki N., Takei Y., Tsujimoto M., Ogawa M., Sugita H., Sato Y., Shinozaki K., Okamoto A., Fujimoto R., Ohashi T., Ezoe Y., Yamada S., Konami S., Tashiro M., Terada Y., H. Seta H. Seta, Kitamoto S., Hoshino A., Tamagawa T., Ishikawa K., Noda H., Sato K., Ota N., Sawada M., Mitsuishi I., Murakami M., Murakami H., Iyomoto N., Kelley R.L., Kilbourne C.A., Porter F.S., Boyce K.R., Eckart M.E., Chiao M.P., Leutenegger M.A., Brown G.V., McCammon D., Szymkowiak A., Herder J.-W. den, Haas D., de Vries C., Costantini E., Akamatsu H., Paltani S., ASTRO-H SXS team

      Meeting Abstracts of the Physical Society of Japan70   471 - 471   2015

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      DOI： 10.11316/jpsgaiyo.70.1.0_471

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    • 24aDJ-8 Long-term variation in the hard state and the soft state of Cygnus X-1 observed by MAXI

      Mihara T., Sugimoto J., Kitamoto S., Matsuoka M., Sugizaki M., Negoro H., Nakahira S.

      Meeting Abstracts of the Physical Society of Japan70   500 - 500   2015

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      DOI： 10.11316/jpsgaiyo.70.1.0_500

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    • A new clocking method for a charge coupled device Peer-reviewed

      Umezu Rika, Kitamoto Shunji, Murakami Hiroshi

      REVIEW OF SCIENTIFIC INSTRUMENTS85 ( 7 )   7 2014

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    • X-ray development of the classical nova V2672 Ophiuchi with Suzaku Peer-reviewed

      Dai Takei, Masahiro Tsujimoto, Jeremy J. Drake, Shunji Kitamoto

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN66 ( 2 )   4 2014

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      DOI： 10.1093/pasj/psu019

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    • X-ray γ-ray polarimetry small satellite PolariS

      Kiyoshi Hayashida, Daisuke Yonetoku, Shuichi Gunji, Toru Tamagawa, Tatehiro Mihara, Tsunefumi Mizuno, Hiromitsu Takahashi, Tadayasu Dotani, Hidetoshi Kubo, Yoichi Yatsu, Fuyuku Tokanai, Takeshi Nakamori, Shinpei Shibata, Asami Hayato, Akihiro Furuzawa, Yuji Kishimoto, Shunji Kitamoto, Kenji Toma, Masaaki Sadamoto, Keigo Yoshinaga, Juyong Kim, Shunichiro Ide, Fumiyoshi Kamitsukasa, Naohisa Anabuki, Hiroshi Tsunemi, Jun Katagiri, Juri Sugimoto

      Proceedings of SPIE - The International Society for Optical Engineering9144   2014

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      DOI： 10.1117/12.2056685

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    • X-ray gamma-ray Polarimetry Small Satellite PolariS

      Kiyoshi Hayashida, Daisuke Yonetoku, Shuichi Gunji, Toru Tamagawa, Tatehiro Mihara, Tsunefumi Mizuno, Hiromitsu Takahashi, Tadayasu Dotani, Hidetoshi Kubo, Yoichi Yatsu, Fuyuki Tokanai, Takeshi Nakamori, Shinpei Shibata, Asami Hayato, Akihiro Furuzawa, Yuji Kishimoto, Shunji Kitamoto, Kenji Toma, Masaaki Sadamoto, Keigo Yoshinaga, Kim Juyong, Shunichiro Ide, Fumiyoshi Kamitsukasa, Naohisa Anabuki, Hiroshi Tsunemi, Jun Katagiri, Juri Sugimoto

      SPACE TELESCOPES AND INSTRUMENTATION 2014: ULTRAVIOLET TO GAMMA RAY9144   2014

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      DOI： 10.1117/12.2056685

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    • Soft x-ray spectrometer (SXS): the high-resolution cryogenic spectrometer onboard ASTRO-H Peer-reviewed

      Mitsuda Kazuhisa, Kelley Richard L, Akamatsu Hiroki, Bialas Thomas, Boyce Kevin R, Brown Gregory V, Canavan Edgar, Chiao Meng, Costantini Elisa, den Herder Jan-Willem, de Vries Cor, DiPirro Michael J, Eckart Megan E, Ezoe Yuichiro, Fujimoto Ryuichi, Haas Daniel, Hoshino Akio, Ishikawa Kumi, Ishisaki Yoshitaka, Iyomoto Naoko, Kilbourne Caroline A, Kimball Mark, Kitamoto Shunji, Konami Saori, Leutenegger Maurice A, McCammon Dan, Miko Joseph, Mitsuishi Ikuyuki, Murakami Hiroshi, Murakami Masahide, Noda Hirofumi, Ogawa Mina, Ohashi Takaya, Okamoto Atsushi, Ota Naomi, Paltani Stephane, Porter F. Scott, Sato Kosuke, Sato Yoichi, Sawada Makoto, Seta Hitomi, Shinozaki Keisuke, Shirron Peter J, Sneiderman Gary A, Sugita Hiroyuki, Szymkowiak Andrew, Takei Yoh, Tamagawa Toru, Tashiro Makoto S, Terada Yukikatsu, Tsujimoto Masahiro, Yamada Shinya, Yamasaki Noriko Y

      SPACE TELESCOPES AND INSTRUMENTATION 2014: ULTRAVIOLET TO GAMMA RAY9144   2014

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      DOI： 10.1117/12.2057199

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    • X-ray eclipse diagnosis of the evolving mass loss in the recurrent nova U Scorpii 2010 Peer-reviewed

      D. Takei, J. J. Drake, M. Tsujimoto, J. U. Ness, J. P. Osborne, S. Starrfield, S. Kitamoto

      Astrophysical Journal Letters769 ( 1 )   20 5 2013

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      DOI： 10.1088/2041-8205/769/1/L4

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    • Self-Charge-Filling (SCF) Effect of Suzaku XIS Peer-reviewed

      Todoroki Shotaro, Kitamoto Shunji, Yoshida Yuki, Murakami Hiroshi

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN64 ( 5 ) "101 - 1"-"101-6"   25 10 2012

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    • The High-Resolution X-Ray Microcalorimeter Spectrometer, SXS, on Astro-H Peer-reviewed

      Mitsuda Kazuhisa, Kelley Richard L, Boyce Kevin R, Brown Gregory V, Costantini Elisa, DiPirro Michael J, Ezoe Yuichiro, Fujimoto Ryuichi, Gendreau Keith C, den Herder Jan-Willem, Hoshino Akio, Ishisaki Yoshitaka, Kilbourne Caroline A, Kitamoto Shunji, McCammon Dan, Murakami Masahide, Murakami Hiroshi, Ogawa Mina, Ohashi Takaya, Okamoto Atsushi, Paltani Stephane, Pohl Martin, Porter F. Scott, Sato Yoichi, Shinozaki Keisuke, Shirron Peter J, Sneiderman Gary A, Sugita Hiroyuki, Szymkowiak Andrew, Takei Yoh, Tamagawa Toru, Tashiro Makoto, Terada Yukikatsu, Tsujimoto Masahiro, de Vries Cor, Yamasaki Noriko Y

      JOURNAL OF LOW TEMPERATURE PHYSICS167 ( 5-6 ) 795 - 802   6 2012

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    • X-Ray Inerferometer with a X-Ray Beamsplitter Peer-reviewed

      S. Kitamoto, K. Sakata, H. Murakami, Y. Yoshida, H. Seta

      SPACE TELESCOPES AND INSTRUMENTATION 2012: ULTRAVIOLET TO GAMMA RAY8443   2012

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      DOI： 10.1117/12.926058

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    • A Self Charge Filling (SCF) effect of Suzaku-XIS Peer-reviewed

      Todoroki Shotaro, Kitamoto Shunji, Murakami Hiroshi

      SUZAKU 2011: EXPLORING THE X-RAY UNIVERSE: SUZAKU AND BEYOND1427   2012

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    • Suzaku Observations of Six Early Type Stars Peer-reviewed

      Kitamoto Shunji, Yoshida Masaki, Shimizu Yusuke, Murakami Hiroshi

      SUZAKU 2011: EXPLORING THE X-RAY UNIVERSE: SUZAKU AND BEYOND1427   2012

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    • Detection of X-Ray Emission from the Unidentified TeV Gamma-Ray Source TeV J2032+4130 Peer-reviewed

      Murakami, Hiroshi, Kitamoto, Shunji, Kawachi, Akiko, Nakamori, Takeshi

      PASJ63 ( SP3 ) S873 - S878   12 2011

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    • X-Ray Study of Rekindled Accretion in the Classical Nova V2491 Cygni Peer-reviewed

      Takei, Dai, Ness, Jan-Uwe, Tsujimoto, Masahiro, Kitamoto, Shunji, Drake, Jeremy J, Osborne, Julian P, Takahashi, Hiromitsu, Kinugasa, Kenzo

      PASJ2011 ( SP3 ) S729 - S783   12 2011

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    • Observation of the Cygnus OB2 Association with Suzaku and Long Term Light Curves Peer-reviewed

      Yoshida, Masaki, Kitamoto, Shunji, Murakami, Hiroshi

      PASJ2011 ( SP3 ) S717 - S728   12 2011

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    • A New X-ray Interferometer Peer-reviewed

      S. Kitamoto, H. Murakami, D. Takei, K. Sakata, Y. Yoshida

      Proceedings of SPIE - The International Society for Optical Engineering8147   2011

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      DOI： 10.1117/12.894244

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    • Suzaku Observation of the Anomalous X-Ray Pulsar 1E 1841-045 Peer-reviewed

      Mikio Morii, Shunji Ktamoto, Noriaki Shibazaki, Nobuyuki Kawai, Makoto Arimoto, Masaru Ueno, Takayoshi Kohmura, Yukikatsu Terada, Shigeo Yamauchi, Hiromitsu Takahashi

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN62 ( 5 ) 1249 - 1259   10 2010

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      DOI： 10.1093/pasj/62.5.1249

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    • Cooling system for the soft X-ray spectrometer onboard Astro-H Peer-reviewed

      Ryuichi Fujimoto, Kazuhisa Mitsuda, Noriko Yamasaki, Yoh Takei, Masahiro Tsujimoto, Hiroyuki Sugita, Yoichi Sato, Keisuke Shinozaki, Takaya Ohashi, Yoshitaka Ishisaki, Yuichiro Ezoe, Masahide Murakami, Shunji Kitamoto, Hiroshi Murakami, Toru Tamagawa, Madoka Kawaharada, Hiroya Yamaguchi, Kosuke Sato, Kenichi Kanao, Seiji Yoshida, Mike DiPirro, Peter Shirron, Gary Sneiderman, Richard L. Kelley, F. Scott Porter, Caroline A. Kilbourne, John Crow, Andrea Mattern, Ali Kashani, Dan McCammon, Jan-Willem den Herder

      CRYOGENICS50 ( 9 ) 488 - 493   9 2010

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      DOI： 10.1016/j.cryogenics.2010.02.004

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    • EUV transmission of Optical Blocking Filter and Optical Blocking Layer for Soft X-ray Imager (SXI) onboard Astro-H

      Watanabe, Tatsuo, Kohmura, Takayoshi, Kitamoto, Shunji, Murakami, Hiroshi, Takenaka, Eri, Nagasaki, Kenta, Higashi, Keiichi, Yoshida, Masaki, Tsunemi, Hiroshi, Hayasida, Kiyoshi, Anabuki, Naohisa, Nakajima, Hiroshi, Sakaguchi, Rui, Shigeyama, Kazuo, Tsuru, Takeshi Go, Matsumoto, Hironori, Dotani, Tadayasu, Ozaki, Masanobu, Bamba, Aya, Fujinaga, Takahisa, Mori, Koji, SXI Team

      Proceedings of the 3rd Suzaku Conference ( 9 ) 418 - 419   2 2010

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      The 3rd Suzaku international Conference "Energetic Cosmos : from Suzaku to ASTRO-H" (June 29-July 2, 2009. Grand Park Otaru Hotel), Otaru, Hokkaido JapanWe have developed the X-ray CCD camera system for the Soft X-ray Imager (SXI) which will be launched as focal plane detectors of X-ray telescope onboard the Japanese 6th X-ray astronomical satellite, Astro-H. The X-ray CCD is back-illuminated (BI) CCD which has an Optical Blocking Layer (OBL) directly coating its X-ray illumination surface with Aluminum-Polyimide-Aluminum instead of Optical Blocking Filter (OBF). The X-ray CCD is affected by large doses of extreme ultraviolet (EUV) radiation from Earth sun-lit atmosphere (airglow) in orbit. To evaluate the performance of polyimide that cut off EUV, we measured the EUV transmission of both OBL and OBF at various energy range between 15 - 72 eV by utilizing beam line located at the Photon Factory in High Energy Accelerator Research Organization (KEK-PF) in this March and June, and obtained the EUV transmission to be 3% at 41 eV which is as same as expected transmission from the designed thickness of polyimide layer.Meeting sponsors: The University of Tokyo, The Institute of Physical and Chemical Research, The Japan Society for the Promotion of ScienceNumber of authors: 22

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    • A report on the XIS calibration of the 2 × 3 mode and window option and the current status of the XIS NXB database

      Ikegami, Yoshio, Mori, Koji, Aoyama, Shoichi, Kimura, Shoichi, Samukawa, Maina, Yamashita, Toshiya, Kato, Takeshi, Kimura, Yuki, Ishizaki, Yoshinori, Ogawa, Kazuki, Uchiyama, Hideki, Ozawa, Midori, Matsumoto, Hironori, Tsuru, Takeshi Go, Koyama, Katsuji, Hayashida, Kiyoshi, Tsunemi, Hiroshi, Dotani, Tadayasu, Ozaki, Masanobu, Bamba, Aya, Tsujimoto, Masahiro, Kohmura, Takayoshi, Kitamoto, Shunji, Murakami, Hiroshi, Suzaku XIS Team

      Proceedings of the 3rd Suzaku Conference ( 9 ) 414 - 415   2 2010

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      The 3rd Suzaku international Conference "Energetic Cosmos : from Suzaku to ASTRO-H" (June 29-July 2, 2009. Grand Park Otaru Hotel), Otaru, Hokkaido JapanWe report the XIS calibration on the data taken with the 2 x 2 mode and window option and the current status of the XIS Non-X-ray Background (NXB) database. The 2 x 2 mode and window option are useful for bright source observations to avoid telemetry saturation and event pile-up. The NXB database provides the best-estimated NXB spectrum for any specific observations obtained with the standard mode (Normal-Clock with no Window or Burst and 5 x 5(sub -) (3 x 3(sub -) Editing mode). The data taken with the 2 x 2 mode in the "SCI-off" era are fully calibrated, and there is no practical difference from those taken with the standard mode. A calibration study for the data taken with the 2 x 2 mode in the "SCI-on" era is on-going. The calibration for the data taken with the window option was significantly improved in the HEASOFT 6.6.2 released at 2009 April 1st. In the comparison with the standard-mode data, the gain difference around 6 keV becomes less than 10 and 15 eV in XIS 0,3 and XIS 1, respectively. We have been updating the NXB database every half a year. There is no drastic change in the light curves, but steady approximately 4 % year(sup -1) level increase and decrease are found in those of XIS 0,3 and XIS 1, respectively.Meeting sponsors: The University of Tokyo, The Institute of Physical and Chemical Research, The Japan Society for the Promotion of ScienceNumber of authors: 25

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    • X-ray polarimeter with a transmission multilayer

      Shunji Kitamoto, Hiroshi Murakami, Youich Shishido, Norimitsu Gotoh, Takuma Shibata, Kousuke Saito, Takeshi Watanabe, Jun&apos;ichi Kanai, Eri Takenaka, Kenta Nagasaki, Masaki Yoshida, Dai Takei, Mikio Morii

      REVIEW OF SCIENTIFIC INSTRUMENTS81 ( 2 ) 81b3105K   2 2010

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      DOI： 10.1063/1.3294330

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    • Imaging Experiment of an Adaptive Optics with a Normal-Incident EUV Telescope Peer-reviewed

      H. Murakami, S. Kitamoto, E. Takenaka, T. Shibata, M. Yoshida, K. Higashi, D. Takei

      Proceedings of SPIE - The International Society for Optical Engineering7803   2010

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      DOI： 10.1117/12.863535

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    • Suzaku observation of TeV J2032+4130 Peer-reviewed

      H. Murakami, S. Kitamoto

      X-RAY ASTRONOMY-2009: PRESENT STATUS, MULTI-WAVELENGTH APPROACH AND FUTURE PERSPECTIVES, PROCEEDINGS1248   41 - 42   2010

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    • Measuring the EUV and optical transmission of optical blocking layer for x-ray CCD camera

      Takayoshi Kohmura, Kohei Kawai, Tatsuo Watanabe, Taiki Ogawa, Shoma Ikeda, Kaoru Ushiyama, Kenta Kaneko, Shunji Kitamoto, Hiroshi Murakami, Eri Takenaka, Kenta Nagasaki, Keiichi Higashi, Masaki Yoshida, Hiroshi Tsunemi, Kiyoshi Hayasida, Naohisa Anabuki, Hiroshi Nakajima, Rui Sakaguchi, Kazuo Shigeyama, Ueda Shutaro, Takeshi Go Tsuru, Tadayasu Dotani, Masanobu Ozaki, Aya Bamba, Junko S. Hiraga, Koji Mori

      SPACE TELESCOPES AND INSTRUMENTATION 2010: ULTRAVIOLET TO GAMMA RAY7732   2010

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      DOI： 10.1117/12.856767

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    • The High-Resolution X-ray Microcalorimeter Spectrometer System for the SXS on ASTRO-H Peer-reviewed

      Mitsuda Kazuhisa, Kelley Richard L, Boyce Kevin R, Brown Gregory V, Costantini Elisa, DiPirro Michael J, Ezoe Yuichiro, Fujimoto Ryuichi, Gendreau Keith C, den Herder Jan-Willem, Hoshino Akio, Ishisaki Yoshitaka, Kilbourne Caroline A, Kitamoto Shunji, McCammon Dan, Murakami Masahide, Murakami Hiroshi, Ogawa Mina, Ohashi Takaya, Okamoto Atsushi, Paltani Stephane, Pohl Martin, Porter F. Scott, Sato Yoichi, Shinozaki Keisuke, Shirron Peter J, Sneiderman Gary A, Sugita Hiroyuki, Szymkowiak Andrew, Takei Yoh, Tamagawa Toru, Tashiro Makoto, Terada Yukikatsu, Tsujimoto Masahiro, de Vries Cor, Yamaguchi Hiroya, Yamasaki Noriko Y

      SPACE TELESCOPES AND INSTRUMENTATION 2010: ULTRAVIOLET TO GAMMA RAY7732   2010

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    • Cooling system for the Soft X-ray Spectrometer (SXS) onboard ASTRO-H Peer-reviewed

      Ryuichi Fujimoto, Kazuhisa Mitsuda, Noriko Yamasaki, Yoh Takei, Masahiro Tsujimoto, Hiroyuki Sugita, Yoichi Sato, Keisuke Shinozaki, Atsushi Okamoto, Takaya Ohashi, Yoshitaka Ishisaki, Yuichiro Ezoe, Kumi Ishikawa, Masahide Murakami, Shunji Kitamoto, Hiroshi Murakami, Toru Tamagawa, Madoka Kawaharada, Hiroya Yamaguchi, Kosuke Sato, Akio Hoshino, Kenichi Kanao, Seiji Yoshida, Mikio Miyaoka, Michael DiPirro, Peter Shirron, Gary Sneiderman, Richard L. Kelley, F. Scott Porter, Caroline A. Kilbourne, John Crow, Andrea Mattern, Ali Kashani, Dan McCammon

      SPACE TELESCOPES AND INSTRUMENTATION 2010: ULTRAVIOLET TO GAMMA RAY7732 ( 9 ) 488 - 493   2010

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      DOI： 10.1117/12.856909

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    • Super-Hard X-Ray Emission from eta Carinae Observed with Suzaku Peer-reviewed

      Akiko Sekiguchi, Masahiro Tsujimoto, Shunji Kitamoto, Manabu Ishida, Kenji Hamaguchi, Hideyuki Mori, Yohko Tsuboi

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN61 ( 4 ) 629 - 637   8 2009

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      DOI： 10.1093/pasj/61.4.629

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    • SWIFT X-RAY AND ULTRAVIOLET MONITORING OF THE CLASSICAL NOVA V458 VUL (NOVA VUL 2007) Peer-reviewed

      J. -U. Ness, J. J. Drake, A. P. Beardmore, D. Boyd, M. F. Bode, S. Brady, P. A. Evans, B. T. Gaensicke, S. Kitamoto, C. Knigge, I. Miller, J. P. Osborne, K. L. Page, P. Rodriguez-Gil, G. Schwarz, B. Staels, D. Steeghs, D. Takei, M. Tsujimoto, R. Wesson, A. Zijlstra

      ASTRONOMICAL JOURNAL137 ( 5 ) 4160 - 4168   5 2009

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      DOI： 10.1088/0004-6256/137/5/4160

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    • SUZAKU DETECTION OF SUPERHARD X-RAY EMISSION FROM THE CLASSICAL NOVA V2491 CYGNI Peer-reviewed

      D. Takei, M. Tsujimoto, S. Kitamoto, J. -U. Ness, J. J. Drake, H. Takahashi, K. Mukai

      ASTROPHYSICAL JOURNAL LETTERS697 ( 1 ) L54 - L57   5 2009

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      DOI： 10.1088/0004-637X/697/1/L54

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    • Search for Near-Infrared Pulsation of the Anomalous X-Ray Pulsar 4U 0142+61 Peer-reviewed

      Mikio Morii, Naoto Kobayashi, Nobuyuki Kawai, Hiroshi Terada, Yasuyuki T. Tanaka, Shunji Kitamoto, Noriaki Shibazaki

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN61 ( 1 ) 51 - 56   2 2009

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      DOI： 10.1093/pasj/61.1.51

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    • EUV Imaging Experiment of an Adaptive Optics Telescope

      S. Kitamoto, T. Shibata, E. Takenaka, M. Yoshida, H. Murakami, Y. Shishido, N. Gotoh, K. Nagasaki, D. Takei, M. Morii

      Proceedings of SPIE - The International Society for Optical Engineering7437   2009

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      DOI： 10.1117/12.824122

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    • Development of an EUV polarimeter with a transmission multilayer Peer-reviewed

      S. Kitamoto, H. Murakami, Y. Shishido, K. Saito, T. Watanabe, J. Kanai, E. Takenaka, K. Nagasaki, D. Takei, M. Morii

      Proceedings of SPIE - The International Society for Optical Engineering7435   2009

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      DOI： 10.1117/12.825074

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    • X-Ray Spectroscopy of the Classical Nova V458 Vulpeculae with Suzaku Peer-reviewed

      Masahiro Tsujimoto, Dai Takei, Jeremy J. Drake, Jan-Uwe Ness, Shunji Kitamoto

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN61   S69 - S76   1 2009

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      DOI： 10.1093/pasj/61.sp1.S69

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    • The X-ray microcalorimeter on the NeXT mission

      Kazuhisa Mitsuda, Noriko Y. Yamasaki, Keisuke Shinozaki, Yoh Takei, Takao Nakagawai, Hiroyuki Sugitai, Yohichi Satoh, Ryuichi Fujimoto, Takaya Ohashi, Yoshitaka Ishisaki, Yuichiro Ezoe, Masahide Murakami, Makoto Tashiro, Yukikatsu Terada, Shunji Kitamoto, Toru Tamagawa, Madoka Kawaharada, Tatehiro Mihara, Richard L. Kelley, Caroline A. Kilbourne, F. Scott Porter, Peter J. Shirron, Michael J. Dipirro, Dan Mccammon, Jan Willem Den Herder

      Proceedings of SPIE - The International Society for Optical Engineering7011   1 12 2008

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    • Suzaku results on Cygnus X-1 in the low/hard state Peer-reviewed

      Makishima Kazuo, Takahashi Hiromitsu, Yamada Shin'ya, Done Chris, Kubota Aya, Dotani Tadayasu, Ebisawa Ken, Itoh Takeshi, Kitamoto Shunji, Negoro Hitoshi, Ueda Yoshihiro, Yamaoka Kazutaka

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN60 ( 3 ) 585 - 604   25 6 2008

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      DOI： 10.1093/pasj/60.3.585

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    • Suzaku spectroscopy of extended X-ray emission in M17

      Yoshiaki Hyodo, Masahiro Tsujimoto, Masahiro Tsujimoto, Kenji Hamaguchi, Kenji Hamaguchi, Katsuji Koyama, Shunji Kitamoto, Yoshitomo Maeda, Yohko Tsuboi, Yuichiro Ezoe

      Publications of the Astronomical Society of Japan60   24 4 2008

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    • Detection of a rare supersoft outburst event during a Suzaku observation of 1E0102.2-7219 Peer-reviewed

      Takei Dai, Tsujimoto Masahiro, Kitamoto Shunji, Mor Mikio, Ebisawa Ken, Maeda Yoshitomo, Miller Eric D

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN60   S231 - S239   20 2 2008

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      DOI： 10.1093/pasj/60.sp1.S231

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    • Spectral characteristics during dip in Cyg X-1

      Keisuke Sudoh, Takayoshi Kohmura, Shunji Kitamoto

      International Conference Recent Advances in Natural Language Processing, RANLP   2008

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    • Suzaku observation of AXP 1E 1841-045 in SNR Kes 73 Peer-reviewed

      M. Morii, S. Kitamoto, N. Shibazaki, D. Takei, N. Kawai, M. Arimoto, M. Ueno, Y. Terada, T. Kohmura, S. Yamauchi

      AIP Conference Proceedings983   268 - 270   2008

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      DOI： 10.1063/1.2900159

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    • Design of the two-stage series adiabatic demagnetization refrigerator for the NeXT and Spectrum-RG missions

      K. Shinozaki, K. Mitsuda, N. Y. Yamasaki, Y. Takei, M. Dipirro, Y. Ezoe, R. Fujimoto, J. W. Den Herder, M. Hirabayashi, Y. Ishisaki, K. Kanao, M. Kawaharada, R. Kelley, C. Kilbourne, S. Kitamoto, D. McCammon, T. Mihara, M. Murakami, T. Nakagawa, T. Ohashi, F. S. Porter, Y. Satoh, P. Shirron, H. Sugita, T. Tamagawa, M. Tashiro, S. Yoshida

      Proceedings of SPIE - The International Society for Optical Engineering7011   2008

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      DOI： 10.1117/12.788634

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    • EUV-Imaging experiments of a normal Incident telescope with an adaptive optics system Peer-reviewed

      S. Kitamoto, T. Ogita, T. Shibata, E. Takenaka, N. Gotoh, Y. Shishido, D. Takei, M. Yoshida, M. Moriia, H. Murakami

      Proceedings of SPIE - The International Society for Optical Engineering7015   2008

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      DOI： 10.1117/12.787740

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    • Oxygen line mapping of SN 1006 with Suzaku Peer-reviewed

      Bamba, Aya, Yamaguchi, Hiroya, Koyama, Katsuji, Hiraga, Junko S, Holt, Steve, Hughes, John P, Katagiri, Hideaki, Kataoka, Jun, Katsuda, Satoru, Kitamoto, Shunji, Kokubun, Motohide, Matsumoto, Hironori, Miyata, Emi, Mori, Koji, Nakajima, Hiroshi, Ozaki, Masanobu, Petre, Rob, Sekiguchi, Akiko, Takahashi, Tadayuki, Tanaka, Takaaki, Terada, Yukikatsu, Tomida, Hiroshi, Tsuboi, Yohko, Tsujimoto, Masahiro, Tsunemi, Hiroshi, Uchiyama, Yasunobu, Ueno, Masaru, Watanabe, Shin

      Advances in Space Research41 ( 3 ) 411 - 415   2008

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      DOI： 10.1016/j.asr.2007.03.055

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    • Low/hard state spectra of GRO J1655-40 observed with Suzaku Peer-reviewed

      Takahashi H, Fukazawa Y, Mizuno T, Hirasawa A, Kitamoto S, Sudoh K, Ogita T, Kubota A, Makishima K, Itoh T, Parmar A.N, Ebisawa K, Naik S, Dotani T, Kokubun M, Ohnuki K, Takahashi T, Yaqoob T, Angelini L, Ueda Y, Yamaoka K, Kotani T, Kawai N, Namlki M, Kohmura T, Negoro H

      Publications of the Astronomical Society of Japan60 ( SPEC. ISS. 1 ) S69 - S83   2008

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    • Broadband X-ray spectroscopy of A0535+262 with Suzaku Peer-reviewed

      S. Naik, T. Dotani, Y. Terada, M. Nakajima, T. Mihara, M. Suzuki, K. Makishima, K. Sudoh, S. Kitamoto, F. Nagase, T. Enoto, H. Takahashi

      ASTROPHYSICAL JOURNAL672 ( 1 ) 516 - 523   1 2008

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      DOI： 10.1086/523295

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    • Ground bakeout experiment of the optical blocking filter (OBF) for the Suzaku XIS

      Mori, Hideyuki, Tsuru, Takeshi Go, Matsumoto, Hironori, Uchiyama, Hideki, Ozawa, Midori, Takikawa, Yohjiro, Nobukawa, Masayoshi, Koyama, Katsuji, Torii, Ken'ichi, Tawa, Noriaki, Kitamoto, Shunji, Sudoh, Keisuke, Kohmura, Takayoshi

      Proceedings of the SPIE6686   id.66860O   9 2007

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      DOI： 10.1117/12.732293

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    • X-ray imaging and adaptive optics system for a 13.5nm telescope

      S. Kitamoto, Y. Ohkubo, M. Tsujimoto, T. Ogita, K. Saitoh, M. Morii, K. Sudoh, N. Gotoh, Y. Shishido, T. Shibata, E. Takenaka

      Proceedings of SPIE - The International Society for Optical Engineering6688   2007

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      DOI： 10.1117/12.733655

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    • Orbital Calibration of the XIS(Chapter 12. Instructions of Suzaku Data Analysis, The Extreme Universe in the Suzaku Era) :

      HAYASHIDA Kiyoshi, TORII Ken'ichi, NAMIKI Masaaki, ANABUKI Naohisa, KATSUDA Satoru, TAWA Noriaki, MIYAUCHI Tomofumi, HASUIKE Kazuto, NAGAI Masaaki, TSUNEMI Hiroshi, MATSUMOTO Hironori, TSURU Takeshi G., MORI Hideyuki, NAKAJIMA Hiroshi, YAMAGUCHI Hiroya, HYODO Yoshiaki, INUI Tatsuya, UCHIYAMA Hideki, OZAWA Midori, KOYAMA Katsuji, MILLER Eric D., BAUTZ Mark W., LAMARR Beverly, KISSEL Steve E., DOTANI Tadayasu, MURAKAMI Hiroshi, OZAKI Masanobu, ANADA Takayasu, BAMBA Aya, HIRAGA Junko, SENDA Atsushi, TAKEI Dai, KITAMOTO Shunji, MORI Koji, MAENO Shouta

      Progress of theoretical physics. Supplement ( 169 ) 316 - 321   2007

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      Language：English   Publisher：Progress of Theoretical Physics  

      Orbital calibrations of the XIS, in terms of the energy scale, energy resolution, and quantum efficiency, are needed not only to confirm the calibrations on the ground but also to examine inevitable performance change in orbit. Fundamentals of the XIS calibration issues have been established and are implemented the softwares and the data base for general observers. We overview the current status of the XIS calibration in orbit.

      DOI： 10.1143/PTPS.169.316

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      Other Link： http://dl.ndl.go.jp/info:ndljp/pid/10886569

    • Millenium study of SN 1006 with suzaku Peer-reviewed

      Bamba Aya, Yamaguchi Hiroya, Koyama Katsuji, Hiraga Junko S, Holt Steve, Hughes John P, Katagiri Hideaki, Kataoka Jun, Kitamoto Shunji, Kokubun Motohide, Matumoto Hironori, Miyata Emi, Mori Koji, Nakajima Hiroshi, Ozaki Masanobu, Petre Robert, Sekiguchi Akiko, Takahashi Tadayuki, Tanaka Takaaki, Terada Yukikatsu, Tomida Hiroshi, Tsunemi Hiroshi, Tsub Yohko, Tsujimoto Masahiro, Uchiyama Yasunobu, Ueno Masaru, Watanabe Shin

      PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT ( 169 ) 142 - 145   2007

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      DOI： 10.1143/PTPS.169.142

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    • Suzaku observations of cyclotron resonances in binary X-ray pulsars Peer-reviewed

      Terada Y, Mihara T, Nagase F, Angelini L, Dotani T, Enoto T, Kitamoto S, Kohmura T, Kokubun M, Kotani T, Makishima K, Naik S, Nakajima M, Sugita S, Sudoh K, Suzuki M, Takahashi H, Yonetoku D, Yoshida A

      Advances in Space Research40 ( 10 ) 1485 - 1490   2007

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    • Orbital calibration of the XIS Peer-reviewed

      K. Hayashida, K. Toru, M. Namiki, N. Anabuki, S. Katsuda, N. Tawa, T. Miyauchi, K. Hasuike, M. Nagai, H. Tsunemi, H. Matsumoto, T.G. Tsuru, H. Mori, H. Nakajima, H. Yamaguchi, Y. Hyodo, T. Inui, H. Uchiyama, M. Ozawa, K. Koyama, E.D. Miller, M.W. Bautz, B. LaMarr, S.E. Kissel, T. Dotani, H. Murakami, M. Ozaki, T. Anada, A. Bamba, J. Hiraga, A. Senda, D. Takei, S. Kitamoto, K. Mori, S. Maeno

      Progress of Theoretical Physics Supplement ( 169 ) 316 - 321   2007

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    • X-ray Imaging Spectrometer (XIS) on board Suzaku

      Katsuji Koyama, Hiroshi Tsunemi, Tadayasu Dotani, Mark W. Bautz, Kiyoshi Hayashida, Takeshi Go Tsuru, Hironori Matsumoto, Yoshiaki Ogawara, George R. Ricker, John Doty, Steven E. Kissel, Rick Foster, Hiroshi Nakajima, Hiroya Yamaguchi, Hideyuki Mori, Masaaki Sakano, Kenji Hamaguchi, Mamiko Nishiuchi, Emi Miyata, Ken'ichi Torii, Masaaki Namiki, Satoru Katsuda, Daisuke Matsuura, Tomofumi Miyauchi, Naohisa Anabuki, Noriaki Tawa, Masanobu Ozaki, Hiroshi Murakami, Yoshitomo Maeda, Yoshinori Ichikawa, Gregory Y. Prigozhin, Edward A. Boughan, Beverly LaMarr, Eric D. Miller, Barry E. Burke, James A. Gregory, Allen Pillsbury, Aya Bamba, Junko S. Hiraga, Atsushi Senda, Haruyoshi Katayama, Shunji Kitamoto, Masahiro Tsujimoto, Takayoshi Kohmura, Yohko Tsubol, Hisamitsu Awak

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN59 ( S23 ) S23 - S33   1 2007

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      DOI： 10.1093/pasj/59.sp1.S23

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    • Suzaku observation of diffuse X-ray emission from the Carina Nebula

      Kenji Hamaguchi, Robert Petre, Hironori Matsumoto, Masahiro Tsujimoto, Stephen S. Holt, Yuichiro Ezoe, Hideki Ozawa, Yohko Tsuboi, Yang Soong, Shunji Kitamoto, Akiko Sekiguchi, Motohide Kokubun

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN59 ( S151 ) S151 - S161   1 2007

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      DOI： 10.1093/pasj/59.sp1.S151

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    • X-ray emission-line profiles of three early-type stars observed with chandra

      Norimasa Yamamoto, Haruko Takano, Shunji Kitamoto, Takayoshi Kohmura

      Publications of the Astronomical Society of Japan59 ( 1 ) 237 - 244   2007

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      Language：English   Publishing type：Research paper (scientific journal)   Publisher：Oxford University Press  

      DOI： 10.1093/pasj/59.1.237

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    • The X-ray observatory Suzaku

      Kazuhisa Mitsuda, Mark Bautz, Hajime Inoue, Richard L. Kelley, Katsuji Koyama, Hideyo Kunieda, Kazuo Makshima, Yoshiaki Ogawara, Robert Petre, Tadayuki Takahashi, Hiroshi Tsunemi, Nicholas E. White, Naohisa Anabuki, Lorella Angelini, Keith Arnaud, Hisamitsu Awaki, Aya Bamba, Kevin Boyce, Gregory V. Brown, Kai-Wing Chan, Jean Cottam, Tadayasu Dotanli, John Doty, Ken Ebisawa, Yuichiro Ezoe, Andrew C. Fabian, Enectali Figueroa, Ryuichi Fujimoto, Yasushi Fukazawa, Tae Furusho, Akihiro Furuzawa, Keith Gendreau, Richard E. Griffiths, Yoshito Haba, Kenji Hamaguchi, Ilana Harrus, Gunther Hasinger, Isamu Hatsukade, Kiyoshi Hayashida, Patrick J. Henry, Junko S. Hiraga, Stephen S. Holt, Ann Hornschemeier, John P. Hughes, Una Hwang, Manabu Ishida, Yoshitaka Ishisaki, Naoki Isobe, Masayuki Itoh, Naoko Iyomoto, Steven M. Kahn, Tuneyoshi Kamae, Hideaki Katagiri, Jun Kataoka, Haruyoshi Katayama, Nobuyuki Kawai, Caroline Kilbourne, Kenzo Kinugasa, Steve Kissel, Shunji Kitamoto, Mitsuhiro Kohama, Takayoshi Kohmura, Motohide Kokubun, Taro Kotani, Jun'ichi Kotoku, Aya Kubota, Greg M. Madejski, Yoshitomo Maeda, Fumiyoshi Makino, Alex Markowitz, Chiho Matsumoto, Hironori Matsumoto, Masaru Matsuoka, Kyoko Matsushita, Dan McCammon, Tatehiko Mihara, Kazutami Misaki, Emi Miyata, Tsunefumi Mizuno, Koji Mori, Hideyuki Mori, Mikio Morii, Harvey Moseley, Koji Mukai, Hiroshi Murakami, Toshio Murakami, Richard Mushotzky, Fumiaki Nagase, Masaaki Namiki, Hitoshi Negoro, Kazubiro Nakazawa, John A. Nousek, Takashi Okajima, Yasushi Ogasaka, Takaya Ohashi, Tai Oshima, Naomi Ota, Masanobu Ozaki, Hideki Ozawa, Arvind N. Parmar, William D. Pence, F. Scott Porter, James N. Reeves, George R. Ricker, Ikuya Sakurai, Wilton T. Sanders, Atsushi Senda, Peter Serlemitsos, Ryo Shibata, Yang Soong, Randall Smith, Motoko Suzuki, Andrew E. Szymkowiak, Hiromitsu Takahashi, Torn Tamagawa, Keisuke Tamura, Takayuki Tamura, Yasuo Tanaka, Makoto Tashiro, Yuzuru Tawara, Yukikatsu Terada, Yuichi Terashima, Hiroshi Tomida, Ken'ichi Torii, Yohko Tsuboi, Masahiro Tsujimoto, Takeshi Go Tsuru, Martin J. L. Turner, Yoshihiro Ueda, Shiro Ueno, Masaru Ueno, Shin'ichiro Uno, Yuji Urata, Shin Watanabe, Norimasa Yamamoto, Kazutaka Yamaoka, Noriko Y. Yamasaki, Koujun Yamashita, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yaqoob, Daisuke Yonetoku, Atsumasa Yoshida

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN59 ( S1 ) S1 - S7   1 2007

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      DOI： 10.1093/pasj/59.sp1.S1

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    • Cyclotron resonance energies at a low X-ray luminosity: A0535+262 observed with Suzaku

      Y. Terada, T. Mihara, M. Nakajima, M. Suzuki, N. Isobe, K. Makishima, H. Takahashi, T. Enoto, M. Kokubun, T. Kitaguchi, S. Naik, T. Dotani, F. Nagase, T. Tanaka, S. Watanabe, S. Kitamoto, K. Sudoh, A. Yoshida, Y. Nakagawa, S. Sugita, T. Kohmura, T. Kotani, D. Yonetoku, L. Angelini, J. Cottam, K. Mukai, R. Kelley, Y. Soong, M. Bautz, S. Kissel, J. Doty

      ASTROPHYSICAL JOURNAL648 ( 2 ) L139 - L142   9 2006

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    • An application of active optics to X-ray imaging: X-mas (X-ray milli arc-second) project

      Masahiro Tsujimoto, Shunji Kitamoto, Yohsuke Ohkubo, Jun'ichi Sato, Takeshi Watanabe, Keisuke Sudoh, Akiko Sekiguchi, Kazuharu Suga, Hiroyuki Sekiguchi

      Proceedings of SPIE - The International Society for Optical Engineering6272 III   2006

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      DOI： 10.1117/12.670937

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    • Wide-band study of X-ray pulsars with Suzaku Peer-reviewed

      Enoto T, Miyawaki R, Kokubun M, Makishima K, Terada Y, Mihara T, Nakajima M, Suzuki M, Bamba A, Senda A, Makishima K, Ishisaki Y, Takahashi H, Tamura K, Naik S, Ebisawa K, Nagase F, Kitamoto S, Sudoh K, Yoshida A, Nakagawa Y, Sugita S, Kohmura T, Kotani T, Kawai N, Yonetoku D, Mori K

      European Space Agency, (Special Publication) ESA SP ( 622 SP ) 453 - 456   2006

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    • X-ray polarimeter with a multi-layer-coated CCD - art. no. 62662V

      Shunji Kitamoto, Takeshi Watanabe, Jun'ichi Kanai, Keisuke Sudoh, Jun'ichi Satoh, Yosuke Ohkubo, Akiko Sekiguchi, Masahiro Tsujimoto, Kazuharu Suga, Takayoshi Kohmura, Yoshitomo Maeda, Shunsaku Okada, Yumi Itoh, Ryoko Nakamura, Hideyo Kunieda

      Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray, Pts 1 and 26266   V2662 - V2662   2006

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      DOI： 10.1117/12.672637

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    • The development of a back-illuminated supportless CCD for SXI onboard next Peer-reviewed

      T.G. Tsuru, S. Takagi, H. Matsumoto, T. Inui, M. Ozawa, K. Koyama, H. Tsunemi, K. Hayashida, E. Miyata, H. Ozawa, M. Touhiguchi, D. Matsuura, T. Dotani, M. Ozaki, H. Murakami, T. Kohmura, S. Kitamoto, H. Awaki

      European Space Agency, (Special Publication) ESA SP2 ( 604 ) 975 - 976   2006

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    • Suzaku broadband observations of galactic black hole binaries: Low/hard state spectra of GRO J1655-40 Peer-reviewed

      Takahashi H, Fukazawa Y, Mizuno T, Hirasawa A, Kitamoto S, Sudoh K, Ogita T, Kubota A, Makishima K, Kokubun M, Itoh T, Parmar A.N, Dotani T, Ebisawa K, Naik S, Takahashi T, Ohnuki K, Yaqoob T, Angelini L, Ueda Y, Yamaoka K, Kotani T, Kawai N, Namiki M, Kohmura T, Negoro H

      European Space Agency, (Special Publication) ESA SP622 ( 622 SP ) 325 - 332   2006

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      Other Link： http://orcid.org/0000-0003-3529-3029

    • Periodic long-term X-ray radio variability of Cygnus X-1

      北本 俊二

      MNRAS368   1025 - 1039   1 1 2006

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    • Adaptive X-ray optics with a deformable mirror

      Shunji Kitamoto, Norimasa Yamamoto, Takayoshi Kohmura, Kazuharu Suga, Hiroyuki Sekiguchi, Jun'ichi Sato, Keisuke Sudo, Takeshi Watanabe, Youhei Ohkubo, Akiko Sekiguchi, Masahiro Tsujimoto

      Proceedings of SPIE - The International Society for Optical Engineering5900   1 - 8   2005

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      DOI： 10.1117/12.620162

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    • X-ray imaging spectrometers (XIS) of Astro-E2 Peer-reviewed

      H. Matsumoto, K. Koyama, T.G. Tsuru, H. Nakajima, H. Yamaguchi, H. Tsunemi, K. Hayashida, E. Miyata, K. Torii, M. Namiki, T. Dotani, M. Ozaki, H. Murakami, N. Anabuki, S. Kitamoto, H. Awaki, T. Kohmura, H. Katayama, A. Bamba, M.W. Bautz, J.P. Doty, G.R. Ricker, R.F. Foster, G.Y. Prigozhin, S.E. Kissel, B.E. Burke, A.D. Pillsbury, B. Lamarr

      Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment541 ( 1-2 ) 357 - 364   2005

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      DOI： 10.1016/j.nima.2005.01.076

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    • The development of a back-illuminated supportless CCD for SXI onboard the NeXT satellite Peer-reviewed

      T.G. Tsuru, S. Takagi, H. Matsumoto, T. Inui, K. Koyama, H. Tsunemi, K. Hayashida, E. Miyata, T. Dotani, M. Ozaki, H. Awaki, S. Kitamoto, T. Kohmura

      Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment541 ( 1-2 ) 392 - 397   2005

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      DOI： 10.1016/j.nima.2005.01.080

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    • Soft Lag and its Implication of X-Ray Time Variation in GRS 1915+105

      北本 俊二

      ApJ621   951 - 958   1 1 2005

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    • Development of a new radiation detector utilizing CNTs as anodes,

      北本 俊二

      Physica, E29   505 - 509   1 1 2005

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    • Soft x-ray transmission of optical blocking filters for the x-ray CCD camera onboard Astro-E2

      S. Kitamoto, T. Kohmura, N. Yamamoto, H. Takano, H. Saito, K. Suga, H. Sekiguchi, S. Chiba, I. Okamoto, K. Hayashida, H. Katayama, T. Enoguchi, Y. Nakashima, T. Shiroshouji, Y. Tawara, T. Furuzawa, T. Tanaka

      Proceedings of SPIE - The International Society for Optical Engineering5168   376 - 385   2004

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      DOI： 10.1117/12.505589

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    • GX339-4;the distance, state transition, hysteresis and spectral correlations

      北本 俊二

      MNRAS351 ( 3 ) 791 - 807   1 1 2004

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    • X-ray time variation of GRS 1915+105

      Y Ohkawa, S Kitamoto, T Kohmura

      PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT155 ( 155 ) 393 - 394   2004

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    • Development of an ultra-high precision X-ray telescope

      S Kitamoto, H Takano, H Saitoh, N Yamamoto, T Kohmura, K Suga, H Sekiguchi, Y Ohkawa, J Kanai, S Chiba

      PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT155 ( 155 ) 363 - 364   2004

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    • Soft X-ray Transmission of Optical Blocking Filter for the X-ray CCD Camera onboard Astro-E2

      S. Kitamoto

      NIMA505.683-687   4 2003

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    • Development of an ultra-high precision x-ray optics

      Shunji Kitamoto, Haruko Takano, Harue Saitoh, Norimasa Yamamoto, Takayoshi Kohmura, Kazuharu Suga, Hiroyuki Sekiguchi, Yohei Ohkawa, Jun'ichi Kanai, Shigeto Chiba

      Proceedings of SPIE - The International Society for Optical Engineering5169   268 - 275   2003

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      DOI： 10.1117/12.505571

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    • Soft X-ray transmission of optical blocking filter for the X-ray CCD cameras onboad Astro E2

      北本 俊二

      NIMA505.683-687 ( 205 ) 683 - 687   1 1 2003

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    • Lunar X-ray spectrometer experiment on the selene mission Peer-reviewed

      T. Okada, M. Kato, Y. Yamashita, K. Shirai, Y. Yamamoto, T. Matsuda, H. Tsunemi, S. Kitamoto

      Advances in Space Research30 ( 8 ) 1909 - 1914   2002

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      DOI： 10.1016/S0273-1177(02)00487-8

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    • Elemental mapping of asteroid 1989ML from MUSES-C orbiter Peer-reviewed

      T. Okada, M. Kato, K. Shirai, Y. Yamamoto, T. Matsuda, H. Tsunemi, S. Kitamoto

      Advances in Space Research29 ( 8 ) 1237 - 1242   2002

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      DOI： 10.1016/S0273-1177(02)00142-4

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    • A novel method to estimate the thickness of the depletion layer of an X-ray CCD

      北本 俊二

      NIMA   232 - 239   1 1 2002

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    • Energy spectra and normalized power spectral densities of X-ray nova GS 2000 + 25

      Kentaro Terada, Shunji Kitamoto, Hitoshi Negoro, Sayuri Iga

      Publications of the Astronomical Society of Japan54 ( 4 ) 609 - 627   2002

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      DOI： 10.1093/pasj/54.4.609

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    • 放射光を使った原子物理と天文物理との接点 ― 原子イオンの光電離実験 ―

      北本 俊二

      放射光 ( 4 ) 19 - 28   1 1 2002

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    • Long-term X-ray variability and state transition of GX 339-4

      AKH Kong, PA Charles, E Kuulkers, S Kitamoto

      MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY329 ( 3 ) 588 - 596   1 2002

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    • Evaluations of domestic X-ray CCDs with XIS analog electronics Peer-reviewed

      A Bamba, M Kohno, H Murakami, K Imanishi, M Tsujimoto, T Tsuru, K Koyama, H Awaki, S Kitamoto, K Hayashida, H Katayama, T Tsunemi

      NEW CENTURY OF X-RAY ASTRONOMY251   518 - 519   2001

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    • Development of the ISAS Ginga archive Peer-reviewed

      K Asai, A Yamagishi, A Yamashita, M Watanabe, T Dotani, K Mitsuda, F Nagase, K Ebisawa, S Yamauchi, A Yoshida, S Kitamoto, Hatsukade, I

      NEW CENTURY OF X-RAY ASTRONOMY251   514 - 515   2001

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    • Delayed iron lines in centaurus X-3

      T. Kohmura, S. Kitamoto, K. Torii

      Astrophysical Journal562 ( 2 ) 943 - 949   2001

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      DOI： 10.1086/323848

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    • Measurement of the response characteristics around K Absorption Edges of dead-layer materials of a Charge-Coupled-Device

      北本 俊二

      NIMA   191 - 199   1 1 2001

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    • Temporal and Spectral Variations of the Superposed Shot as Causes of Power Spectral Densities and Hard X-ray Time Lags of Cygnus X-1

      北本 俊二

      ApJ ( 554 ) 528 - 533   1 1 2001

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    • 「あすか」が見た星形成領域と若い星

      北本 俊二

      日本物理学会誌56 ( 12 ) 905 - 908   1 1 2001

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    • Changes in the long-term intensity variations in cygnus X-2 and LMC X-3

      B. Paul, S. Kitamoto, F. Makino

      Astrophysical Journal528 ( 1 ) 410 - 417   1 1 2000

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      Language：English   Publishing type：Research paper (scientific journal)   Publisher：Institute of Physics Publishing  

      DOI： 10.1086/308149

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    • X-ray imaging spectrometers for Astro-E: Ground calibration in soft X-ray range Peer-reviewed

      K Hayashida, S Kitamoto, E Miyata, H Tsunemi, E Yoshita, T Kohmura, K Mori, K Katayama, H Katayama, M Shouho, M Ohta, T Dotani, M Ozaki, K Koyama, H Awaki, TG Tsuru, G Ricker, MW Bautz, R Foster, S Kissel

      X-RAY OPTICS, INSTRUMENTS, AND MISSIONS III4012   123 - 136   2000

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    • Reports of soft X-ray response of the engineering model of the CCD camera (XIS) for the ASTRO-E mission Peer-reviewed

      K Katayama, T Kohmura, H Katayama, M Shouho, H Tsunemi, S Kitamoto, K Hayashida, E Miyata, K Hashimotodani, K Koyama, G Ricker, M Bautz, R Foster

      BROAD BAND X-RAY SPECTRA OF COSMIC SOURCES25 ( 3-4 ) 881 - 884   2000

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    • Properties of the optical blocking filter of the XIS for the ASTRO-E mission Peer-reviewed

      T Kohmura, K Katayama, R Asakura, S Kitamoto, H Tsunemi, K Hayashida, E Miyata, K Hashimotodani, H Katayama, M Shouho, K Koyama, S Kissel, G Ricker, M Bautz, R Foster

      BROAD BAND X-RAY SPECTRA OF COSMIC SOURCES25 ( 3-4 ) 877 - 880   2000

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    • MAXI (Monitor of All-sky X-ray image) for JEM on the International Space Station

      T Mihara, M Matsuoka, N Kawai, A Yoshida, T Kotani, H Negoro, H Kubo, Y Shirasaki, BC Rubin, K Torii, H Tsunemi, S Kitamoto, K Hayashida, E Miyata, K Yoshita, M Yamauchi

      BROAD BAND X-RAY SPECTRA OF COSMIC SOURCES25 ( 3-4 ) 897 - 900   2000

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    • X-ray fluorescence spectrometer onboard Muses-C

      Tatsuaki Okada, Manabu Kato, Akio Fujimura, Hiroshi Tsunemi, Shunji Kitamoto

      Advances in Space Research25 ( 2 ) 345 - 348   2000

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      DOI： 10.1016/S0273-1177(99)00942-4

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    • X-ray imaging spectrometers for Astro-E: Ground calibration in soft X-ray range

      Hayashida K, Kitamoto S, Miyata E, Tsunemi H, Yoshita K, Kohmura T, Mori K, Katayama K, Katayama H, Shouho M, Ohta M, Dotani T, Ozaki M, Koyama K, Awaki H

      Proceedings of SPIE - The International Society for Optical Engineering4012   123 - 136   2000

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      Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：Proceedings of SPIE - The International Society for Optical Engineering  

      Soft X-ray response of X-ray Imaging Spectrometers (XIS) for the Astro-E satellite is measured with a grating spectrometer system at Osaka. First, relation between incident X-ray energy and output pulse height peak (E-PH relation) is examined with an SX grating. It is found that jump in the E-PH relation around Si-K edge is at most 2.7 eV. Second, quantum efficiency (QE) of the XIS in 0.4-2.2 kev range is measured relatively to the reference CCD of which absolute QE was calibrated with a gas proportional counter. The QE is fitted with a model in which CCD gate structures are considered. Systematic error on the QE results is estimated by referring an independent measurement. Third, tuning and improvement of the response function is performed. We employ six components to reproduce the response profile of the XIS. In this paper, improvement of one component which is originated in the events absorbed in the channel-stop is presented. Neverthless, Astro-E was lost due to the launch failure. We overview the XIS project in its flight model phase, modified points of the design, problems and solutions etc., in order to be utilized in a possible recovery of the satellite.

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    • Soft X-ray response of a CCD with a grating spectrometer Peer-reviewed

      M Shouho, K Katayama, H Katayama, T Kohmura, H Tsunemi, S Kitamoto, K Hayashida, E Miyata, K Hashimotodani, K Yoshita, K Koyama, G Ricker, MW Bautz, R Foster, S Kissel

      NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT436 ( 1-2 ) 85 - 90   10 1999

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    • Quantum efficiency of the CCD camera (XIS) for the ASTRO-E mission Peer-reviewed

      H Katayama, M Shouho, T Kohmura, K Katayama, K Yoshita, H Tsunemi, S Kitamoto, K Hayashida, E Miyata, K Hashimotodani, K Koyama, G Ricker, MW Bautz, R Foster, S Kissel

      NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT436 ( 1-2 ) 74 - 78   10 1999

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    • Observation of GRB afterglows with MAXI on JEM/ISS

      A Yoshida, T Mihara, M Matsuoka, N Kawai, T Kotani, H Negoro, H Kubo, Y Shirasaki, BC Rubin, K Torii, H Tsunemi, S Kitamoto, K Hayashida, E Miyata, M Yamauchi

      ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES138 ( 3 ) 439 - 440   9 1999

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      DOI： 10.1051/aas:1999299

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    • Hysteretic behavior of a black hole candidate X-ray binary GS1124-683

      S. Miyamoto, S. Kitamoto

      Astronomische Nachrichten320 ( 4-5 ) 355   1999

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      Language：English   Publishing type：Research paper (scientific journal)   Publisher：Wiley-VCH Verlag  

      DOI： 10.1002/1521-3994(199908)320:4/5<355::aid-asna355>3.0.co;2-o

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    • X-ray detectors and calibration system for the MAXI mission

      K Torii, M Matsuoka, M Sugizaki, H Tomida, S Ueno, WM Yuan, N Kawai, T Mihara, A Yoshida, H Tsunemi, E Miyata, H Negoro, Sakurai, I, Y Shirasaki, D Akutsu, K Hayashida, S Kitamoto, K Mori, H Ogata, K Yoshita, M Yamauchi

      EUV, X-RAY, AND GAMMA-RAY INSTRUMENTATION FOR ASTRONOMY X3765 ( No. ) 636 - 644   1999

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    • MAXI mission for the Space Station Peer-reviewed

      M Matsuoka, N Kawai, T Mihara, A Yoshida, H Tsunemi, E Miyata, K Torii, T Kotani, H Kubo, H Matsumoto, H Negoro, BC Rubin, Sakurai, I, Y Shirasaki, K Hayashida, S Kitamoto, M Yamauchi

      SPACE TECHNOLOGY AND APPLICATIONS INTERNATIONAL FORUM - 1999, PTS ONE AND TWO458   163 - 168   1999

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    • Monitor of All-sky X-ray Image (MAXI) for JEM on the International Space Station

      N Kawai, M Matsuoka, A Yoshida, T Mihara, T Kotani, H Negoro, Y Shirasaki, Sakurai, I, M Namiki, K Torii, H Tsunemi, E Miyata, K Hayashida, S Kitamoto, K Yoshita, Y Hashimoto, M Yamauchi

      ASTRONOMISCHE NACHRICHTEN320 ( 4-5 ) 372 - 372   1999

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    • X-ray fluorescence spectrometry with the SELENE orbiter

      Tatsuaki Okada, Manabu Kato, Akio Fujimura, Hiroshi Tsunemi, Shunji Kitamoto

      Advances in Space Research23 ( 11 ) 1833 - 1836   1999

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      DOI： 10.1016/S0273-1177(99)00547-5

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    • Hard X-ray response of the XIS-CCD for ASTRO-E: qualification of the X-ray CCD detector Peer-reviewed

      M. Nishiuchi, K. Koyama, H. Awaki, T. Tsuru, M. Sakano, K. Hamaguchi, H. Murakami, H. Tsunemi, K. Hayashida, S. Kitamoto, E. Miyata, T. Dotani, M. Ozaki, M. Bautz, J. Doty, S. Kissel, R. Foster, G. Ricker

      Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment436 ( 1-2 ) 79 - 84   1999

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    • The 35 day evolution of the hercules X-1 pulse profile: Ginga observations and their implications

      John E. Deeter, D. Matthew Scott, Paul E. Boynton, Sigenori Miyamoto, Shunji Kitamoto, Shin'ichiro Takahama, Fumiaki Nagase

      Astrophysical Journal502 ( 2 ) 802 - 823   1 8 1998

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      Language：English   Publishing type：Research paper (scientific journal)   Publisher：Institute of Physics Publishing  

      DOI： 10.1086/305910

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    • Discovery of the faint X-ray pulsar AX J1820.5-1434 with ASCA

      K Kinugasa, K Torii, Y Hashimoto, H Tsunemi, K Hayashida, S Kitamoto, Y Kamata, T Dotani, F Nagase, M Sugizaki, Y Ueda, N Kawai, K Makishima, S Yamauchi

      ASTROPHYSICAL JOURNAL495 ( 1 ) 435 - 439   3 1998

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      Language：English   Publishing type：Research paper (scientific journal)  

      DOI： 10.1086/305291

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    • Continuum x-ray source as a calibration system for charge coupled devices Peer-reviewed

      K Hashimotodani, T Toneri, S Kitamoto, H Tsunemi, K Hayashida, E Miyata, K Katayama, T Kohomura, R Asakura, K Koyama, K Yamamoto, K Miyaguchi, H Suzuki

      REVIEW OF SCIENTIFIC INSTRUMENTS69 ( 2 ) 392 - 395   2 1998

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    • X-ray determination of the black-hole mass in Cygnus X-1 Peer-reviewed

      A Kubota, K Makishima, T Dotani, H Inoue, K Mitsuda, F Nagase, H Negoro, Y Ueda, K Ebisawa, S Kitamoto, Y Tanaka

      HOT UNIVERSE ( 188 ) 388 - 389   1998

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    • Where Are the X-Ray Event Grades Formed Inside the Pixel of the Charge-Coupled Device? The Behavior of the Primary Charge Cloud Inside the Charge-Coupled Device.

      Tsunemi Hiroshi, Hiraga Junko, Yoshita Kumi, Kitamoto Shunji

      Japanese Journal of Applied Physics37 ( 5 ) 2734 - 2739   1998

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      We report the use of an improved technique to measure the X-ray detection efficiency of a charge-coupled device (CCD) with a subpixel resolution. This technique makes use of a parallel X-ray beam and metal mesh placed closely on the CCD. The mesh has many circular holes spaced at distance of 4 times the CCD pixel size (multi-pitch mesh). We could identify the interaction position of X-rays both for single events and for split pixel events. By using this method, we demonstrated how various types of X-ray events are formed inside the CCD. We have already shown that the two-pixel split events were formed near the pixel boundary. We clearly showed that the three-pixel events were formed when the interaction position was close to the pixel corner, whereas the four-pixel split events were formed when the interaction position was much closer to the pixel corner. We found that the center of gravity of split events could represent the interaction position with an uncertainty of 0.13 pixel size.

      DOI： 10.1143/JJAP.37.2734

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    • New Technique of the X-Ray Efficiency Measurement of a Charge-Coupled Device with a Subpixel Resolution

      Tsunemi Hiroshi, Yoshita Kumi, Kitamoto Shunji

      Jpn J Appl Phys36 ( 5 ) 2906 - 2911   15 5 1997

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      We report the use of a new technique to measure the X-ray detection efficiency of a charge-coupled device (CCD) with subpixel resolution. The new technique makes use of a parallel X-ray beam and metal mesh placed just in front of the CCD. The CCD camera we used is a conventional system using the TC213 (Texas Instrument Japan (TIJ)) whose pixel size is 12 &micro; m &times;12 &micro; m with one million pixels. The mesh has 4 &micro;m diameter holes spaced at 12 &micro;m intervals. We produced an efficiency map within a typical pixel showing the gate structure in detail: a virtual gate, a clock gate and an antiblooming gate. The gate structure we measured is consistent with the manufacturer's design value. By selecting single pixel events, we detected a pixel boundary. Additional plans for application will also be discussed.

      DOI： 10.1143/JJAP.36.2906

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      Other Link： https://jlc.jst.go.jp/DN/JALC/00046868282?from=CiNii

    • MAXI (monitor of all-sky X-ray image) for JEM on the Space Station

      M Matsuoka, N Kawai, T Mihara, A Yoshida, H Kubo, T Kotani, H Negoro, BC Rubin, HM Shimizu, H Tsunemi, K Hayashida, S Kitamoto, E Miyata, M Yamauchi

      EUX, X-RAY, AND GAMMA-RAY INSTRUMENTATION FOR ASTRONOMY VIII3114 ( No. ) 414 - 421   1997

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      Language：English   Publishing type：Research paper (international conference proceedings)  

      DOI： 10.1117/12.278898

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    • Large hysteretic behavior of stellar black hole candidate X-ray binaries

      Sigenori Miyamoto, Shunji Kitamoto, Kiyoshi Hayashida, Wataru Egoshi

      Astrophysical Journal442 ( 1 ) L13 - L16   20 3 1995

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      Language：English   Publishing type：Research paper (scientific journal)   Publisher：Institute of Physics Publishing  

      DOI： 10.1086/187804

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    • ORBITAL PERIOD CHANGES OF CYGNUS-X-3

      S KITAMOTO, A HIRANO, K KAWASHIMA, S MIYAMOTO, F NAGASE, NE WHITE, AP SHALE, Y SOONG, M MATSUOKA, N KAWAI, A YOSHIDA

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN47 ( 2 ) 233 - 238   1995

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    • Structure of X-ray shots of cygnus X-1 in its low state

      Hitoshi Negoro, Sigenori Miyamoto, Shunji Kitamoto

      Astrophysical Journal423 ( 2 ) L127 - L130   10 3 1994

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      Language：English   Publishing type：Research paper (scientific journal)   Publisher：Institute of Physics Publishing  

      DOI： 10.1086/187253

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    • SPECTRAL EVOLUTION OF THE BRIGHT X-RAY NOVA GS-1124-68 (NOVA-MUSCAE 1991) OBSERVED WITH GINGA Peer-reviewed

      K EBISAWA, M OGAWA, T AOKI, T DOTANI, M TAKIZAWA, Y TANAKA, K YOSHIDA, S MIYAMOTO, S IGA, K HAYASHIDA, S KITAMOTO, K TERADA

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN46 ( 4 ) 375 - 394   1994

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    • UNIFIED MODEL-FITTING TO VARIABLE X-RAY-SPECTRA OF CYGNUS-X-3

      H NAKAMURA, M MATSUOKA, N KAWAI, A YOSHIDA, S MIYOSHI, S KITAMOTO, K YAMASHITA

      MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY261 ( 2 ) 353 - 365   3 1993

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    • GINGA OBSERVATIONS OF GX-3+1 - LONG-TERM VARIABILITIES, BRANCHES, AND X-RAY-BURSTS Peer-reviewed

      K ASAI, T DOTANI, F NAGASE, K MITSUDA, S KITAMOTO, K MAKISHIMA, T TAKESHIMA, K KAWABATA

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN45 ( 6 ) 801 - 810   1993

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    • Canonical time variations of X-rays from black hole candidates in the low-intensity state

      Sigenori Miyamoto, Shunji Kitamoto, Sayuri Iga, Hitoshi Negoro, Kentaro Terada

      Astrophysical Journal391 ( 1 ) L21 - L24   20 5 1992

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      Language：English   Publishing type：Research paper (scientific journal)   Publisher：Institute of Physics Publishing  

      DOI： 10.1086/186389

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    • The X-ray outburst from X0115+634 in 1990 February Peer-reviewed

      Keisuke Tamura, Hiroshi Tsunemi, Shunji Kitamoto, Kiyoshi Hayashida, Fumiaki Nagase

      Astrophysical Journal389 ( 2 ) 676 - 684   20 4 1992

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      Language：English   Publishing type：Research paper (scientific journal)   Publisher：Institute of Physics Publishing  

      DOI： 10.1086/171240

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    • ON X-RAY LUMINOSITIES OF THE QUIESCENT X-RAY NOVAE - GS 2000+25 AND GS 2023+338 Peer-reviewed

      S MINESHIGE, K EBISAWA, M TAKIZAWA, Y TANAKA, K HAYASHIDA, S KITAMOTO, S MIYAMOTO, K TERADA

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN44 ( 2 ) 117 - 123   1992

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    • DISCOVERY OF 2 TRANSIENT-X-RAY SOURCES IN THE VELA-PUPPIS REGION - PULSAR GS 0834-430 AND BURSTER GS 0836-429 Peer-reviewed

      T AOKI, T DOTANI, K EBISAWA, M ITOH, F MAKINO, F NAGASE, T TAKESHIMA, T MIHARA, S KITAMOTO

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN44 ( 6 ) 641 - 647   1992

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    • X-RAY VARIABILITY OF GX 339-4 IN ITS VERY HIGH STATE Peer-reviewed

      S MIYAMOTO, K KIMURA, S KITAMOTO, T DOTANI, K EBISAWA

      ASTROPHYSICAL JOURNAL383 ( 2 ) 784 - 807   12 1991

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    • DECREASE IN THE ORBITAL PERIOD OF HERCULES-X-1

      JE DEETER, PE BOYNTON, S MIYAMOTO, S KITAMOTO, F NAGASE, N KAWAI

      ASTROPHYSICAL JOURNAL383 ( 1 ) 324 - 329   12 1991

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    • Discovery of a long-term periodic variation in LMC X-3 Peer-reviewed

      A. P. Cowley, P. C. Schmidtke, K. Ebisawa, F. Makino, R. A. Remillard, D. Crampton, J. B. Hutchings, S. Kitamoto, A. Treves

      Astrophysical Journal381 ( 2 ) 526 - 533   10 11 1991

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      DOI： 10.1086/170676

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    • Cyclotron line features in the spectrum of the transient X-ray pulsar X0115+634

      F. Nagase, T. Dotani, Y. Tanaka, K. Makishima, T. Mihara, T. Sakao, H. Tsunemi, S. Kitamoto, K. Tamura, A. Yoshida, H. Nakamura

      Astrophysical Journal375 ( 2 PART 2 )   10 7 1991

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      Publishing type：Research paper (scientific journal)  

      DOI： 10.1086/186085

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    • A three-year record of the branch behaviour of the Z source GX 5-1 (4U 1758-25)

      M. Van Der Klis, S. Kitamoto, H. Tsunemi, S. Miyamoto

      Monthly Notices of the Royal Astronomical Society248 ( 4 ) 751 - 753   1991

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      Language：English   Publishing type：Research paper (scientific journal)   Publisher：Oxford University Press  

      DOI： 10.1093/mnras/248.4.751

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    • Discovery of a prominent cyclotron absorption feature from the transient X-ray pulsar X0331+53

      K. Makishima, T. Mihara, M. Ishida, T. Ohashi, T. Sakao, M. Tashiro, T. Tsuru, T. Kii, F. Makino, T. Murakami, F. Nagase, Y. Tanaka, H. Kunieda, Y. Tawara, S. Kitamoto, S. Miyamoto, A. Yoshida, M. J.L. Turner

      Astrophysical Journal365 ( 2 PART 2 )   20 12 1990

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      Publishing type：Research paper (scientific journal)  

      DOI： 10.1086/185888

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    • Outburst, identification, and X-ray light curve of GS 1354-641 (=MX 1353-64?, centaurus X-2?)

      Shunji Kitamoto, Hiroshi Tsunemi, Holger Pedersen, Sergio A. Ilovaisky, Michiel Van Der Klis

      Astrophysical Journal361 ( 2 ) 590 - 595   1 10 1990

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      Language：English   Publishing type：Research paper (scientific journal)   Publisher：Institute of Physics Publishing  

      DOI： 10.1086/169222

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    • New observations of the cyclotron absorption feature in Hercules X-1

      T. Mihara, K. Makishima, T. Ohashi, T. Sakao, M. Tashiro, F. Nagase, Y. Tanaka, S. Kitamoto, S. Miyamoto, J. E. Deeter, P. E. Boynton

      Nature346 ( 6281 ) 250 - 252   1990

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      Publishing type：Research paper (scientific journal)  

      DOI： 10.1038/346250a0

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    • GS2023+338: A new class of X-ray transient source?

      Shunji Kitamoto, Hiroshi Tsunemi, Sigenori Miyamoto, Koujun Yamashita, Seiko Mizobuchi, Michio Nakagawa, Tadayasu Dotani, Fumiaki Makino

      Nature342 ( 6249 ) 518 - 520   1989

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      DOI： 10.1038/342518a0

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    • X-ray optical properties of molybdenum-carbon, molybdenum-silicon, and nickel-carbon multilayers

      K. Yamashita, H. Tsunemi, S. Kitamoto, I. Hatsukade, Y. Ueno, M. Ohtani

      Review of Scientific Instruments60 ( 7 ) 2006 - 2009   1989

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      DOI： 10.1063/1.1140861

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    • X-RAY AND RADIO OBSERVATIONS OF FLARES FROM THE RS CANUM VENATICORUM SYSTEM UX ARIETIS Peer-reviewed

      T TSURU, K MAKISHIMA, T OHASHI, H INOUE, K KOYAMA, MJL TURNER, MA BARSTOW, IM MCHARDY, JP PYE, H TSUNEMI, S KITAMOTO, AR TAYLOR, RF NELSON

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN41 ( 3 ) 679 - 695   1989

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    • DELAYED HARD X-RAYS FROM CYGNUS X-1 Peer-reviewed

      S MIYAMOTO, S KITAMOTO, K MITSUDA, T DOTANI

      NATURE336 ( 6198 ) 450 - 452   12 1988

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    • TRANSIENT DIPS OF CYGNUS X-1 OBSERVED FROM TENMA Peer-reviewed

      S KITAMOTO, S MIYAMOTO, Y TANAKA, T OHASHI, Y KONDO, Y TAWARA, M NAKAGAWA

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN36 ( 4 ) 731 - 740   1984

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    • PULSE-PERIOD CHANGES OF X-RAY PULSARS MEASURED WITH HAKUCHO AND TENMA

      F NAGASE, S HAYAKAWA, T KII, N SATO, T IKEGAMI, N KAWAI, K MAKISHIMA, M MATSUOKA, K MITANI, T MURAKAMI, M ODA, T OHASHI, Y TANAKA, S KITAMOTO

      PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN36 ( 4 ) 667 - 678   1984

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    Misc.

    • X線天文衛星代替機XARM搭載Resolve冷却系開発の現状

      江副祐一郎, 石崎欣尚, 藤本龍一, 竹井洋, 石川久美, 安田進, 柳瀬慶一, 山崎典子, 佐藤浩介, 北本俊二, 小山志勇, 野田博文, 吉田誠至, 金尾憲一, 恒松正二, KELLEY R. L., KILBOURNE C. A., DIPIRRO M. J., SHIRRON P.

      日本天文学会年会講演予稿集2018   2018

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    • Concept of the X-ray Astronomy Recovery Mission

      Makoto Tashiro, Makoto Tashiro, Hironori Maejima, Kenichi Toda, Richard Kelley, Lillian Reichenthal, James Lobell, Robert Petre, Matteo Guainazzi, Elisa Costantini, Mark Edison, Ryuichi Fujimoto, Martin Grim, Kiyoshi Hayashida, Jan Willem Den Herder, Yoshitaka Ishisaki, Stéphane Paltani, Kyoko Matsushita, Koji Mori, Gary Sneiderman, Yoh Takei, Yukikatsu Terada, Hiroshi Tomida, Hiroki Akamatsu, Lorella Angelini, Yoshitaka Arai, Hisamitsu Awaki, Lurli Babyk, Lurli Babyk, Aya Bamba, Peter Barfknecht, Kim Barnstable, Thomas Bialas, Branimir Blagojevic, Joseph Bonafede, Clifford Brambora, Laura Brenneman, Greg Brown, Kimberly Brown, Laura Burns, Edgar Canavan, Tim Carnahan, Meng Chiao, Brian Comber, Lia Corrales, Cor De Vries, Johannes Dercksen, Maria DIaz-Trigo, Tyrone DIllard, Michael DIpirro, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan Eckart, Teruaki Enoto, Yuichiro Ezoe, Carlo Ferrigno, Yutaka Fujita, Yasushi Fukazawa, Akihiro Furuzawa, Luigi Gallo, Steve Graham, Liyi Gu, Kohichi Hagino, Kenji Hamaguchi, Isamu Hatsukade, Dean Hawes, Takayuki Hayashi, Cailey Hegarty, Natalie Hell, Junko Hiraga, Edmund Hodges-Kluck, Matt Holland, Ann Hornschemeier, Akio Hoshino, Yuto Ichinohe, Ryo Iizuka, Kazunori Ishibashi, Manabu Ishida, Kumi Ishikawa, Kosei Ishimura, Bryan James, Timothy Kallman, Erin Kara, Satoru Katsuda, Steven Kenyon, Caroline Kilbourne, Mark Kimball, Takao Kitaguchi, Shunji Kitamoto, Shogo Kobayashi, Takayoshi Kohmura, Shu Koyama, Aya Kubota, Maurice Leutenegger, Maurice Leutenegger, Tom Lockard, Mike Loewenstein, Yoshitomo Maeda, Lynette Marbley

      Proceedings of SPIE - The International Society for Optical Engineering10699   1 1 2018

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    • Transmission measurement of the spare Beryllium window of the SXS onboard the Hitomi satellite in 2.0-12 keV with KEK-PF Peer-reviewed

      Yuki Yoshida, Akio Hoshino, Shunji Kitamoto, Juri Sugimoto, Ryota Ishii, Yuki Ohgi, Sayaka Sato, Satomi Nukamori, Ryuichi Fujimoto, Noriko Y. Yamasaki, Toshiaki Ina, Tomoya Uruga

      Proceedings of SPIE - The International Society for Optical Engineering10397   2017

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    • The evaluation of the Hitomi (Astro-H)/SXS spare beryllium window in 3.8-30 keV Peer-reviewed

      Akio Hoshino, Yuki Yoshida, Shunji Kitamoto, Ryuichi Fujimoto, Noriko Y. Yamasaki, Toshiaki Ina, Tomoya Uruga, Megan Eckart, Maurice Leutenegger

      Proceedings of SPIE - The International Society for Optical Engineering10397   2017

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    • 19aSB-3 X-ray spectrum of Cyg X-3 in ultra-soft state with MAXI, XRT and Swift

      Mihara Tatehiro, Matsuoka Masaru, Nakajima Motoki, Sugizaki Mutsumi, Nakahira Satoshi, Kitamoto Shunji, Kotani Taro

      Meeting abstracts of the Physical Society of Japan69 ( 2 ) 36 - 36   22 8 2014

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    • MAXIで観測したCyg X‐3のクエンチ状態

      三原建弘, 石川ありさ, 石川ありさ, 松岡勝, 杉崎睦, 北本俊二, 小谷太郎, 坪井昌人, 中平聡志

      日本物理学会講演概要集69 ( 1 ) 134 - 134   5 3 2014

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    • ASTRO‐H衛星搭載X線CCDカメラ(SXI)の軟X線帯域の較正

      幸村孝由, 池田翔馬, 金子健太, 矢部一成, 常深博, 林田清, 中嶋大, 穴吹直久, 上田周太朗, 菅裕哲, 鶴剛, 内田裕之, 大西隆雄, 堂谷忠靖, 尾崎正伸, 冨田洋, 北本俊二, 村上弘志, 梅津里香, 小松飛斗

      日本放射光学会年会・放射光科学合同シンポジウム予稿集26th   133   12 1 2013

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    • ASTRO‐H搭載X線CCDカメラ(SXI)の軟X線に対する検出効率の測定

      池田翔馬, 幸村孝由, 金子健太, 矢部一成, 常深博, 林田清, 穴吹直久, 中嶋大, 薙野綾, 上田周太朗, 菅裕哲, 米森愛美, 鶴剛, 内田裕之, 大西隆雄, 堂谷忠靖, 尾崎正伸, 冨田洋, 北本俊二, 村上弘志, 梅津里香, 小松飛斗, 杉本樹理

      日本天文学会年会講演予稿集2012   271   20 8 2012

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    • Physics Education Today : The Seventh (2011) Junior Session in the 66th Annual Meeting of JPS

      Kitamoto Shunji, Matsuo Masayuki

        67 ( 6 ) 406 - 408   6 2012

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    • As a Chairman of Division Committee

      KITAMOTO Shunji

        67 ( 4 ) 225 - 225   5 4 2012

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    • The calibration status of P-sum mode for XIS on board Suzaku

      Kohmura, T, Kawai, K, Ikeda, S, Kaneko, K, Tsunemi, H, Hayashida, K, Nakajima, H, Koyama, K, Tsuru, T. G, Nobukawa, M, Dotani, T, Ozaki, M, Tsujimoto, M, Matsuta, K, Kitamoto, S, Murakami, H, Higashi, K, Uchiyama, H, Mori, K, Suzaku XIS Team

      SUZAKU 2011: Exploring the X-ray Universe: Suzaku and Beyond. AIP Conference Proceedings1427   247 - 248   3 2012

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      DOI： 10.1063/1.3696187

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    • ASTRO‐H搭載X線CCD(SXI)の可視光遮断膜のX線透過率測定

      河合耕平, 幸村孝由, 池田翔馬, 金子健太, 常深博, 林田清, 穴吹直久, 中嶋大, 上田周太朗, 鶴剛, 堂谷忠靖, 尾崎正伸, 藤永貴久, 松田桂子, 北本俊二, 村上弘志, 平賀純子, 森浩二

      日本放射光学会年会・放射光科学合同シンポジウム予稿集25th   78   6 1 2012

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    • Soft X-ray response of the X-ray CCD camera directly coated with Optical Blocking Layer Peer-reviewed

      S. Ikeda, T. Kohmura, K. Kawai, K. Kaneko, T. Watanabe, H. Tsunemi, K. Hayashida, N. Anabuki, H. Nakajima, S. Ueda, T. G. Tsuru, T. Dotani, M. Ozaki, K. Matsuta, T. Fujinaga, S. Kitamoto, H. Murakami, J. Hiraga, K. Mori

      SUZAKU 2011: EXPLORING THE X-RAY UNIVERSE: SUZAKU AND BEYOND1427   253 - 254   2012

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      DOI： 10.1063/1.3696190

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    • Optical, UV and soft X-ray transmission of Optical Blocking Layer for the X-ray CCD Peer-reviewed

      K. Kawai, T. Kohmura, S. Ikeda, K. Kaneko, T. Watanabe, H. Tsunemi, K. Hayashida, N. Anabuki, H. Nakajima, S. Ueda, T. G. Tsuru, T. Dotani, M. Ozaki, K. Matsuta, T. Fujinaga, S. Kitamoto, H. Murakami, J. Hiraga, K. Mori

      SUZAKU 2011: EXPLORING THE X-RAY UNIVERSE: SUZAKU AND BEYOND1427   255 - 256   2012

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    • 14aSP-13 The measurement of quantum efficiency for the Soft X-ray Imager (SXI) on board ASTRO-H

      Kohmura Takayoshi, Ueda Shutaro, Kan Hiroaki, Yonemori Manami, Tsuru Takeshi, Uchida Hiroyuki, Onishi Takao, Dotani Tadayasu, Ozaki Masanobu, Tomida Hiroshi, Kitamoto Shunji, Ikeda Shoma, Murakami Hiroshi, Umetus Rika, Komatsu Tobito, Kaneko Kenta, Yabe Kazunari, Tsunemi Hiroshi, Hayashida Kiyoshi, Nakajima Hiroshi, Anabuki Naohisa, Nagino Ryo

      Meeting Abstracts of the Physical Society of Japan67 ( 0 ) 119 - 119   2012

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    • Report on the Symposium "Utilization of Nuclear Energy and Future Energy Strategies from View Points of Physicists"

      AIHARA Hiroaki, KITAMOTO Shunji

        66 ( 10 ) 783 - 784   5 10 2011

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      Physical Society of Japan held an urgent symposium, in order to discuss the utilization of nuclear power and future energy problem, with members of the society and related scientists. We make a brief report of its contents.

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    • Report on the Symposium "Utilization of Nuclear Energy and Future Energy Strategies from View Points of Physicists"

      AIHARA Hiroaki, KITAMOTO Shunji

        66 ( 10 ) 783 - 784   5 10 2011

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      Physical Society of Japan held an urgent symposium, in order to discuss the utilization of nuclear power and future energy problem, with members of the society and related scientists. We make a brief report of its contents.

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    • X線天文衛星ASTRO‐H搭載CCD(SXI)用可視光遮断膜の性能評価

      池田翔馬, 幸村孝由, 河合耕平, 渡辺辰雄, 金子健太, 常深博, 林田清, 穴吹直久, 中嶋大, 上田周太朗, 鶴剛, 堂谷忠靖, 尾崎正伸, 藤永貴久, 松田桂子, 北本俊二, 村上弘志, 平賀純子, 森浩二

      日本天文学会年会講演予稿集2011   293   20 8 2011

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    • ASTRO‐H搭載X線CCD(SXI)の可視光遮断膜のX線透過率測定

      河合耕平, 幸村孝由, 池田翔馬, 金子健太, 常深博, 林田清, 穴吹直久, 中嶋大, 上田周太朗, 鶴剛, 堂谷忠靖, 尾崎正伸, 藤永貴久, 松田桂子, 北本俊二, 村上弘志, 平賀純子, 森浩二

      日本天文学会年会講演予稿集2011   293   20 8 2011

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    • 26aGS-13 Discovery of Non-thermal X-ray Emission from Classical Novae

      Takei Dai, Tsujimoto Masahiro, Kitamoto Shunji

      Meeting abstracts of the Physical Society of Japan66 ( 1 ) 111 - 111   3 3 2011

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    • 26aGS-13 Discovery of Non-thermal X-ray Emission from Classical Novae

      Takei Dai, Tsujimoto Masahiro, Kitamoto Shunji

      Meeting abstracts of the Physical Society of Japan66 ( 1 ) 111 - 111   3 3 2011

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    • X線天文衛星ASTRO‐H搭載X線CCDカメラSXIの可視光・紫外線遮光対策

      河合耕平, 幸村孝由, 渡辺辰雄, 池田翔馬, 牛山薫, 金子健太, 常深博, 林田清, 中嶋大, 穴吹直久, 上田周太朗, 鶴剛, 堂谷忠靖, 尾崎正伸, 馬場彩, 北本俊二, 村上弘志, 八木橋伸佳, 水野瑛己, 轟章太郎, 坂田和也

      日本天文学会年会講演予稿集2011   254   20 2 2011

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    • X線天文衛星ASTRO‐H搭載X線CCD(SXI)の紫外線対策

      渡辺辰雄, 幸村孝由, 河合耕平, 小川大樹, 池田翔馬, 金子健太, 牛山薫, 川島成輝, 北本俊二, 村上弘志, 吉田正樹, 東慶一, 常深博, 林田清, 穴吹直久, 中嶋大, 鶴剛, 堂谷忠靖, 尾崎正伸, 馬場彩, 平賀純子, 森浩二

      日本放射光学会年会・放射光科学合同シンポジウム予稿集24th   152   7 1 2011

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    • ASTRO‐H衛星搭載X線用CCDの可視光・紫外線遮光対策

      河合耕平, 幸村孝由, 渡辺辰雄, 池田翔馬, 牛山薫, 金子健太, 常深博, 林田清, 中嶋大, 鶴剛, 堂谷忠靖, 尾崎正伸, 馬場彩, 北本俊二, 村上弘志, 八木橋伸佳, 水野瑛己, 轟章太郎, 坂田和也

      PFシンポジウム要旨集28th   88   2011

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    • すざく衛星搭載XISのOBFの破れの評価

      轟章太郎, 北本俊二, 村上弘志, 松本浩典, 林田清, 常深博, 中嶋大, 幸村孝由, 小山勝二, 鶴剛, 森浩二, 常谷忠靖, 尾崎正伸, 辻本匡弘, 馬場彩

      日本天文学会年会講演予稿集2010   237   20 8 2010

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    • X線天文衛星ASTRO‐H搭載X線CCDカメラ(SXI)の可視光遮断対策

      河合耕平, 幸村孝由, 渡辺辰雄, 小川大樹, 池田翔馬, 牛山薫, 常深博, 林田清, 中嶋大, 穴吹直久, 上田周太朗, 鶴剛, 堂谷忠靖, 尾崎正伸, 北本俊二, 村上弘志

      日本天文学会年会講演予稿集2010   229   20 8 2010

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    • 宇宙X線用CCDの赤外線遮光対策

      小川大樹, 幸村孝由, 河合耕平, 渡辺辰雄, 池田翔馬, 牛山薫, 金子健太, 川島成輝, 高橋泰樹, 工藤幸寛, 常深博, 林田清, 中嶋大, 鶴剛, 堂谷忠靖, 尾崎正伸, 北本俊二, 村上弘志, 鎌田有紀子

      日本天文学会年会講演予稿集2010   229   20 8 2010

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    • The Fifth (2009) Junior Session in the 65th Annual Meeting of JPS

      KITAMOTO Shunji, NAMIKI Masatoshi

      Butsuri65 ( 5 ) 356 - 358   5 5 2010

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    • X線天文衛星Astro‐H搭載X線CCDカメラ(SXI)の紫外線対策 III

      渡辺辰雄, 幸村孝由, 河合耕平, 北本俊二, 村上弘志, 竹中恵理, 長崎健太, 吉田正樹, 東慶一, 常深博, 林田清, 穴吹直久, 中嶋大, 鶴剛, 松本浩典, 堂谷忠靖, 尾崎正伸, 馬場彩, 藤永貴久, 松田圭子, 平賀純子, 森浩二

      日本天文学会年会講演予稿集2010   254   20 2 2010

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    • すざく衛星搭載X線CCDカメラ(XIS)のP‐sumモードの較正(II)

      幸村孝由, 渡辺辰雄, 河合耕平, 東慶一, 北本俊二, 村上弘志, 常深博, 林田清, 中島大, 小山勝二, 鶴剛, 松本浩典, 堂谷忠靖, 尾崎正伸, 辻本匡弘, 馬場彩, 森浩二

      日本天文学会年会講演予稿集2010   256   20 2 2010

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    • 11pSG-9 Development of the Optical and EUV blocking layer for the X-ray CCD (SXI) on board ASTRO-H

      Kohmura Takayoshi, Tsunemi Hiroshi, Hayashida Kiyoshi, Nakajima Hiroshi, Anabuki Naohisa, Uchida Hiroyuki, Ueda Shutaro, Tsuru Takeshi, Dotani Tadayasu, Ozaki Masanobu, Bamba Aya, Kawai Kohei, Mori Koji, Hiraga Junko, Watanabe Tatsuo, Ogawa Taiki, Ikeda Shoma, Ushiyama Kaoru, Kaneko Kenta, Kitamoto Shunji, Murakami Hiroshi

      Meeting Abstracts of the Physical Society of Japan65 ( 0 ) 83 - 83   2010

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    • すざく衛星搭載X線CCDカメラXISのP‐sumモードの較正

      東慶一, 北本俊二, 村上弘志, 幸村孝由, 渡邊辰雄, 森浩二, 鶴剛, 松本浩典, 小山勝二, 林田清, 常深博, 堂谷忠靖, 辻本匡弘, 馬場彩

      日本天文学会年会講演予稿集2009   261   20 8 2009

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    • X線天文衛星ASTRO‐H搭載X線CCDカメラ(SXI)の紫外線対策 II

      幸村孝由, 渡辺辰雄, 北本俊二, 村上弘志, 竹中恵里, 長崎健太, 東慶一, 吉田雅樹, 常深博, 林田清, 穴吹直久, 中嶋大, 阪口塁, 繁山和夫, 鶴剛, 松本浩典, 堂谷忠靖, 尾崎正伸, 馬場彩, 藤永貴久, 平賀純子, 森浩二

      日本天文学会年会講演予稿集2009   270   20 8 2009

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    • 10pSD-4 X-ray Polarimeter with a Transmission Multilayer

      Kitamoto Shunji, Murakami Hiroshi, Shishido Youichi, Saito Kousuke, Watanabe Takeshi, Kanai Jun'ichi, Takenaka Eri, Nagasaki Kenta, Takei Dai, Morii Mikio

      Meeting abstracts of the Physical Society of Japan64 ( 2 ) 35 - 35   18 8 2009

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    • 10aSD-11 Development status of the Soft X-ray Spectrometer (SXS) onboard Astro-H (II)

      Fujimoto Ryuichi, Sato Kosuke, Mitsuda Kazuhisa, Yamasaki Noriko, Takei Yoh, Tsujimoto Masahiro, Sugita Hiroyuki, Sato Yoichi, Shinozaki Keisuke, Ohashi Takaya, Ishisaki Yoshitaka, Ezoe Yuichiro, Murakami Masahide, Tashiro Makoto, Terada Yukikatsu, Tamagawa Toru, Mihara Tatehiro, Kawaharada Madoka, Yamaguchi Hiroya, Kitamoto Shunji, Murakami Hiroshi, Kelley R.L, Kilbourne C.A, Porter F.S, McCammon D, den Herder J.-W

      Meeting abstracts of the Physical Society of Japan64 ( 2 ) 31 - 31   18 8 2009

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    • 28pSH-5 Development of mirocalorimeter SXS designed for ASTRO-H

      Takei Y, Mitsuda K, Yamasaki N, Tsujimoto M, Shinozaki K, Sugita H, Sato Y, Fujimoto R, Sato K, Ohashi T, Ishisaki Y, Ezoe Y, Murakami M, Tashiro M. S, Terada Y, Tamagawa T, Mihara T, Kawaharada M, Yamaguchi H, Kitamoto S, Murakami H, Kelley Richard L, Kilbourne C. A, Porter F. S, Shirron P. J, DiPirro M. J, Sneiderman Gary A, McCammon D, Herder J.-W. den, ASTRO-H SXS tea

      Meeting abstracts of the Physical Society of Japan64 ( 1 ) 92 - 92   3 3 2009

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    • 「すざく」搭載X線CCDカメラ(XIS)の時刻付けの較正 その2

      松田桂子, 堂谷忠靖, 尾崎正伸, 馬場彩, 辻本匡弘, 鶴剛, 松本浩典, 小山勝二, 林田清, 常深博, 森浩二, 北本俊二, 村上弘志

      日本天文学会年会講演予稿集2009   258   20 2 2009

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    • X線天文衛星ASTRO‐H搭載X線CCDカメラ(SXI)の紫外線対策

      幸村孝由, 渡辺辰雄, 北本俊二, 村上弘志, 森井幹雄, 武井大, 竹中恵里, 長崎健太, 吉田雅樹, 常深博, 林田清, 穴吹直久, 中島大, 鶴剛, 松本浩典, 堂谷忠靖, 尾崎正伸, 馬場彩, 藤永貴久, 平賀純子, 森浩二

      日本天文学会年会講演予稿集2009   256   20 2 2009

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    • 22pSH-6 Suzaku Observations of Cyg X-1 in the Low-Hard state (II)

      Makishima K., Yamada S., Takahashi H., Kubota A., Dotani T., Ebisawa K., Kitamoto S., Negoro H., Ueda Y., Yamaoka K.

      Meeting abstracts of the Physical Society of Japan63 ( 2 ) 89 - 89   25 8 2008

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    • 「すざく」搭載X線CCDカメラ(XIS)の時刻付けの較正

      松田桂子, 堂谷忠靖, 尾崎正伸, 馬場彩, 鶴剛, 松本浩典, 小山勝二, 林田清, 常深博, 森浩二, 北本俊二, 村上弘志, 幸村孝由

      日本天文学会年会講演予稿集2008   256   20 8 2008

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    • Spektr-RG衛星搭載X線カロリメータ分光装置SXC

      藤本龍一, 大橋隆哉, 石崎欣尚, 江副祐一郎, 満田和久, 山崎典子, 篠崎慶亮, 竹井洋, 中川貴雄, 杉田寛之, 佐藤洋一, 村上正秀, 田代信, 北本俊二, 玉川徹, 川原田円, 三原建弘, KELLEY R. L., KILBOURNE C. A., PORTER F. S., MCCAMMON D., DEN HERDER J.-W.

      日本天文学会年会講演予稿集2008   2008

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    • NeXTとSpektr-RG衛星のX線カロリメータによる銀河団の観測計画

      藤本龍一, 満田和久, 山崎典子, 篠崎慶亮, 竹井洋, 中川貴雄, 杉田寛之, 佐藤洋一, 大橋隆哉, 石崎欣尚, 江副祐一郎, 村上正秀, 田代信, 北本俊二, 玉川徹, 川原田円, 三原建弘, KELLEY R. L., KILBOURNE C. A., PORTER F. S., MCCAMMON D., DEN HERDER J.-W.

      日本天文学会年会講演予稿集2008   2008

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    • NeXT,Spectrum-RG衛星搭載X線マイクロカロリメータ用冷凍機の開発

      篠崎慶亮, 満田和久, 山崎典子, 竹井洋, 中川貴雄, 杉田寛之, 佐藤洋一, 藤本龍一, 大橋隆哉, 石崎欣尚, 江副祐一郎, 村上正秀, 田代信, 北本俊二, 玉川徹, 川原田円, 三原建弘, 平林誠之, 金尾憲一, 吉田誠至, KELLEY R., KILBOURNE C., PORTER F. S., MCCAMMON D., DEN HERDER Jan-Willem

      日本天文学会年会講演予稿集2008   2008

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    • A Bright Transient X-Ray Source Near the Galactic Center Found in Archival Ginga Data from 1987

      YAMAUCHI Shigeo, NAKAGAWA Yoshio, SUDOH Keisuke, KITAMOTO Shunji

      Publications of the Astronomical Society of Japan59 ( 6 ) 1141 - 1151   25 12 2007

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    • 「すざく」衛星によるLow‐Hard状態におけるCygX‐1の観測

      山田真也, 牧島一夫, 伊藤健, 中澤知洋, 久保田あや, 高橋弘充, 堂谷忠靖, 海老沢研, 北本俊二, 山岡和貴, 根来均

      日本物理学会講演概要集62 ( 2 ) 106 - 106   21 8 2007

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    • NeXT衛星搭載X線CCDカメラSXIシステム開発の現状

      鶴剛, 松本浩典, 高木慎一郎, 小澤碧, 乾達也, 小山勝二, 常深博, 林田清, 宮田恵美, 小澤秀樹, 東樋口正邦, 松浦大介, 堂谷忠靖, 尾崎正伸, 村上弘志, 幸村孝由, 北本俊二, 粟木久光

      日本天文学会年会講演予稿集2006   256   20 8 2006

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    • 「すざく」ファーストライト:X線CCDカメラXIS

      林田清, 鳥居研一, 並木雅章, 常深博, 穴吹直久, 鶴剛, 松本浩典, 小山勝二, 堂谷忠靖, 尾崎正伸, 村上弘志, 片山晴善, 北本俊二, 幸村孝由, 粟木久光, 馬場彩, 千田篤史, BAUTZ Mark, KISSEL Steve, LAMARR Beverly, FOSTER Rick, MILLER Eric

      日本天文学会年会講演予稿集2006   281   20 2 2006

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    • 23pSH-4 Suzaku Observation of Black hole binary GRO J1655-40

      Takahashi H, Onuki K, Takahashi T, Ebisawa K, Dotani T, Ito T, Kokubun M, Makishima K, Namiki M, Kotani T, Parmr Arvind, Mizuno T, Done Chris, the Suzaku team, Fukazawa Y, Sudoh K, Ogita T, Kitamoto S, Kubota A, Yamaoka K, Ueda Y

      Meeting Abstracts of the Physical Society of Japan61 ( 0 ) 77 - 77   2006

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    • Soft X-ray Imager (SXI) onboard the NeXT satellite Peer-reviewed

      T.G. Tsuru, S.-I. Takagi, H. Matsumoto, T. Inui, M. Ozawa, K. Koyama, H. Tsunemi, K. Hayashida, E. Miyata, H. Ozawa, M. Touhiguchi, D. Matsuura, T. Dotani, M. Ozaki, H. Murakami, T. Kohmura, S. Kitamoto, H. Awaki

      Proceedings of SPIE - The International Society for Optical Engineering6266 II   2006

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      DOI： 10.1117/12.670649

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    • Astro‐E2衛星の現状:X線CCD検出器(XIS)

      松本浩典, 鶴剛, 小山勝二, 常深博, 林田清, 鳥居研一, 宮田恵美, 粟木久光, 北本俊二, 幸村孝由, 堂谷忠靖, 尾崎正伸

      日本天文学会年会講演予稿集2005   310   20 8 2005

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    • 24pXK-6 Development of a New Radiation Detector Utilizing Carbon Nanotube as Anode

      Kotani T., Kawai N., Chiba S., Kitamoto S.

      Meeting abstracts of the Physical Society of Japan60 ( 1 ) 89 - 89   4 3 2005

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    • 木舟正, 『宇宙高エネルギー粒子の物理学=宇宙線・ガンマ線天文学』, 培風館, 東京, 2004, vi+206p, 21.5×14.5cm, 本体3,500円(新物理学シリーズ34)[学生・大学院向,専門書]

      北本 俊二

      日本物理學會誌60 ( 1 ) 60 - 61   5 1 2005

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    • NeXT衛星搭載Soft X‐ray Imager(SXI)の開発

      鶴剛, 松本浩典, 小山勝二, 高木慎一郎, 乾達也, 常深博, 林田清, 宮田恵美, 堂谷忠靖, 尾崎正伸, 北本俊二, 幸村孝由, 粟木久光

      日本天文学会年会講演予稿集2004   256   2004

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    • Wide band X-ray Imager (WXI) and Soft Gamma-ray Detector (SGD) for the NeXT Mission Peer-reviewed

      T. Takahashi, A. Awaki, T. Dotani, Y. Fukazawa, K. Hayashida, T. Kamae, J. Kataoka, N. Kawai, S. Kitamoto, T. Kohmura, M. Kokubun, K. Koyama, K. Makishima, H. Matsumoto, E. Miyata, T. Murakami, K. Nakazawa, M. Nomachi, M. Ozaki, H. Tajima, M. Tashiro, T. Tamagawa, Y. Terada, H. Tsunemi, T. Tsuru, K. Yamaoka, D. Yonetoku, A. Yoshida

      Proceedings of SPIE - The International Society for Optical Engineering5488 ( PART 2 ) 549 - 560   2004

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      DOI： 10.1117/12.551500

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    • Development of an Ultra High Angler Resolution X-ray Telescope 2

      Kitamoto S., Yamamoto N., Kohmura T., Sekiguchi H., Suga K., Takano H., Saitoh H., Ueda Y., Itoh M., X-mas Team

      Meeting abstracts of the Physical Society of Japan58 ( 1 ) 95 - 95   6 3 2003

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    • Development of an Ultra High Angular Resolution X-ray Telescope : Measurement and Correction of Wave Front from the Main Mirror

      Yamamoto N., Kitamoto S., Komura T., Sekiguchi H., Suga K., Takano H., Saito H., Ueda Y., Ito Masayuki, X-mas team

      Meeting abstracts of the Physical Society of Japan58 ( 1 ) 95 - 95   6 3 2003

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    • 超高精度X線望遠鏡計画(X-mas Project)

      高野 晴子, 北本 俊二, 幸村 孝由

      宇宙科学シンポジウム3   485 - 488   9 1 2003

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    • NeXT搭載ハイブリッドカメラ:CCD検出器

      堂谷 忠靖, 尾崎 正伸, 北本 俊二

      宇宙科学シンポジウム3   131 - 134   9 1 2003

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    • Astro-E2衛星搭載X線CCDカメラの可視光遮断フィルターの特性 II

      幸村孝由, 北本俊二, 須賀一治, 山本則正, 斎藤晴江, 高野晴子, 林田清, 江の口英之, 白庄司貴之, 田原譲, 古沢彰浩, 田中武

      日本天文学会年会講演予稿集2003   2003

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    • ASTRO‐EII搭載のCCDカメラXIS(I)

      林田清, 常深博, 宮田恵美, 小山勝二, 鶴剛, 松本浩典, 堂谷忠靖, 尾崎正伸, 北本俊二, 粟木久光, BAUTZ M, RICKER G, FOSTER R

      日本天文学会年会講演予稿集2003   231   2003

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    • Devolopment of an Ultra High Precision X-ray Telescope I

      Kitamoto S., Sekiguchi H., Suga K., Kohmura T., Yamamoto N., Saito H., Takano H., Uewda Y., Itoh M., X-mas Team

      Meeting abstracts of the Physical Society of Japan57 ( 2 ) 84 - 84   13 8 2002

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    • X-ray Observation of X-ray Binary Pulsar Centaurus X-3 with RXTE

      Kohmura Takayoshi, Kitamoto Sunji

      Meeting abstracts of the Physical Society of Japan57 ( 2 ) 74 - 74   13 8 2002

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    • 27aXD-8 X線CCDカメラ用可視光遮断フィルターの特性評価

      北本 俊二, 須賀 一治, 小澤 栄治, 鈴木 一真, 加藤 理紗, 立花 祐輔, 辻 佑介, 小金井 謙, 林田 清, 幸村 孝由, 片山 晴善, 中島 雄介, 江の口 英之

      日本物理学会講演概要集57 ( 1 ) 76 - 76   1 3 2002

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    • X-ray imaging spectrometer (XIS) on board Astro-E2 Peer-reviewed

      T. Dotani, M. Ozaki, H. Murakami, K. Koyama, T. Tsuru, H. Matsumoto, H. Tsunemi, K. Hayashida, E. Miyata, S. Kitamoto, H. Awaki, M. Bautz, J. Doty, G. Ricker, R. Foster, G. Prigozhin, S. Kissel, B. Burke, A. Pillsbury

      Proceedings of SPIE - The International Society for Optical Engineering4851 ( 2 ) 1071 - 1079   2002

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      DOI： 10.1117/12.461313

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    • 超高角分解能X線望遠鏡衛星計画

      北本 俊二, 林田 清, 宮田 恵美

      宇宙科学シンポジウム1   109 - 116   11 1 2001

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    • ASTRO-E2搭載用X線CCDカメラ(XIS:X-ray Imaging Spectrometer)

      片山 晴善, 常深 博, 北本 俊二

      宇宙科学シンポジウム1   319 - 322   11 1 2001

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    • XIS読み出し回路を用いた国産CCDの性能評価(II)

      馬場彩, 辻本匡弘, 今西健介, 河野誠, 村上弘志, 濱口健二, 鶴剛, 小山勝二, 北本俊二, 林田清, 片山晴善, 常深博

      日本天文学会年会講演予稿集2001   267   2001

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    • Ginga all-sky monitor observations of Cygnus X-1

      S Kitamoto, W Egoshi, S Miyamoto, H Tsunemi, JC Ling, WA Wheaton, B Paul

      ASTROPHYSICAL JOURNAL531 ( 1 ) 546 - 552   3 2000

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    • Characteristics around oxygen and silicon K absorption edges of a charge-coupled-device

      K Mori, M Shouho, H Katayama, S Kitamoto, H Tsunemi, K Hayashida, E Miyata, M Ohta, T Kohmura, K Koyama, MW Bautz, R Foster, S Kissel

      X-RAY OPTICS, INSTRUMENTS, AND MISSIONS III4012   539 - 547   2000

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    • Astro‐E衛星搭載X線CCDカメラXIS:開発の概要とファーストライト

      常深博, 北本俊二, 林田清, 宮田恵美, 吉田久美, 幸村孝由, 森浩二, 片山晴善, 荘保信, 大田基在, 小山勝二, 鶴剛, 粟木久光, 坂野正明, 西内満美子, 浜口健二, 村上弘志, 今西健介, 堂谷忠靖, 尾崎正伸, RICKER G, BAUTZ M, DOTY J, KISSEL S, FOSTER R

      日本天文学会年会講演予稿集2000   172   2000

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    • 25pSD-12 The X-ray Detectors and the Calibration System for the MAXI Mission

      TOMIDA H, MATSUOKA M, TORII K, SUGIZAKI M, UENO S, TSUNEI H, MIYATA E, HAYASHIDA K, KITAMOTO S, AKUTSU D, MORI K, YOSHITA K, YAMAUCHI M, KAWAI N, YOSHIDA A, MIHARA T, SHIRASAKI Y, SAKURAI I, NEGORO H

      Meeting abstracts of the Physical Society of Japan54 ( 2 ) 83 - 83   13 9 1999

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    • 25pSD-5 X線観測衛星ASTRO-Eに搭載するCCDカメラ(XIS)の較正報告(I)

      森 浩二, 幸村 孝由, 片山 晴善, 荘保 信, 大田 基在, 常深 博, 北本 俊二, 林田 清, 宮田 恵美, 小山 勝二, 堂谷 忠晴, RICKER G., BAUTZ M.W., FOSTER R., KISSEL S.

      日本物理学会講演概要集54 ( 2 ) 81 - 81   13 9 1999

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    • 30p-XJ-6 Soft X-Ray Response of the CCD Camera(XIS)for the ASTRO-E Mission

      Syouho M., Katayama H., Katayama K., Kohmura T., Tsunemi H., Kitamoto S., Hayashida K., Miyata E., Hashimotodani K., Koyama K., Ricker G., Bautz M.W., Foster R., Kissel S., Dotani T., Team XIS

      Meeting abstracts of the Physical Society of Japan54 ( 1 ) 362 - 362   15 3 1999

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    • 28a-YK-9 MAXI test detector and X-ray calibration facility

      Sakurai I., Matsuoka M., Kawai N., Yoshida A., Mihara T., Kotani T., Negoro H., Shirasaki Y., Matsumoto H., Namiki M., Tsunemi H., Kitamoto S., Hayashida K., Miyata E., Yoshita K., Hashimoto Y., Torii K., Yamauchi M., Kamae T.

      Meeting abstracts of the Physical Society of Japan54 ( 1 ) 76 - 76   15 3 1999

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    • Soft X-ray response of the CCD camera (XIS)

      M Shouho, H Katayama, K Katayama, T Kohmura, H Tsunemi, S Kitamoto, K Hayashida, E Miyata, K Hashimotodani, K Koyama, G Ricker, MW Bautz, R Foster, S Kissel

      ASTRONOMISCHE NACHRICHTEN320 ( 4-5 ) 382 - 382   1999

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    • Soft X-ray quantum efficiency of the CCD camera for the Astro-E

      T Kohmura, K Katayama, H Katayama, M Shouho, H Tsunemi, S Kitamoto, K Hayashida, E Miyata, K Hashimotodani, K Koyama, G Ricker, MW Bautz, R Foster, S Kissel

      ASTRONOMISCHE NACHRICHTEN320 ( 4-5 ) 373 - 373   1999

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    • Calibration of the x-ray CCD camera (XIS) for the ASTRO-E in the soft x-ray band

      H Katayama, M Shouho, T Kohmura, K Katayama, M Ohta, H Tsunemi, S Kitamoto, K Hayashida, E Miyata, K Yoshita, K Koyama, G Ricker, MW Bautz, R Foster, S Kissel, J Doty

      EUV, X-RAY, AND GAMMA-RAY INSTRUMENTATION FOR ASTRONOMY X3765   721 - 728   1999

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    • Quantum efficiency measurement of the X-ray CCD camera (XIS) for the ASTRO-E mission in the soft X-ray band

      T Kohmura, K Katayama, H Katayama, M Shouho, H Tsunemi, S Kitamoto, K Hayashida, E Miyata, M Ohtani, M Ohta, K Yoshita, K Koyama, G Ricker, MW Bautz, R Foster, S Kissel

      EUV, X-RAY, AND GAMMA-RAY INSTRUMENTATION FOR ASTRONOMY X3765   588 - 596   1999

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    • Measurement of quantum efficiency of a charge coupled device

      K Hashimotodani, T Toneri, S Kitamoto, H Tsunemi, K Hayashida, E Miyata, M Ohtani, R Asakura, K Katayama, T Kohmura, J Hiraga, H Katayama, M Shoho, K Kinugasa, T Imayoshi, Y Sumi, Y Ohono

      REVIEW OF SCIENTIFIC INSTRUMENTS69 ( 11 ) 3746 - 3750   11 1998

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    • Soft X-Ray Response of the CCD Camera (XIS) for the ASTRO-E Mission

      SYOUHO M., KATAYAMA H., KATAYAMA K., KOHMURA T., TSUNEMI H., KITAMOTO S., HAYASHIDA K., MIYATA E., HASHIMOTODANI K., KOYAMA K., RICKER G., BAUTZ M.W, FOSTER R., DOUTANI T., XIS-TEAM

      Meeting abstracts of the Physical Society of Japan53 ( 2 ) 83 - 83   5 9 1998

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    • Quantumn Efficiency of the CCD Camera (XIS) for the ASTRO-E Mission

      KATAYAMA H., SYOUHO M., KOHMURA K., KATAYAMA K., TSUNEMI H., KITAMOTO S., HAYASHIDA K., MIYATA E., HASHIMOTODANI K., KOYAMA K., RICKER G., BAUTZ M.W, FOSTER R., XIS-TEAM

      Meeting abstracts of the Physical Society of Japan53 ( 2 ) 83 - 83   5 9 1998

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    • MAXI(Monitor of All-sky X-ray lmage)on International Space Station(II)

      KAWAI N., MATSUOKA M., YOSHIDA A., MIHARA T., KOTANI T., NEGORO H., RUBIN Brad, KUBO H., SHIRASAKI Y., TSUNEMI H., KITAMOTO S., HAYASHIDA K., MIYATA E., TORII K., HASHIMOTODANI K., YOSHITA K., YAMAUCHI M.

      Meeting abstracts of the Physical Society of Japan53 ( 1 ) 81 - 81   10 3 1998

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    • Reports of Soft X-Ray Response of the Proto-Type CCD Camera(XIS) for The ASTRO-E Mission

      KOHMURA T., KATAYAMA K., ASAKURA R., TSUNEMI H., KITAMOTO S., HAYASHIDA K., MIYATA E., HASHIMOTODANI K., RICKER G.R., XIS-TEAM

      Meeting abstracts of the Physical Society of Japan53 ( 1 ) 80 - 80   10 3 1998

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    • Test report on EM behavior of the X-ray CCD camera (XIS) installed on ASTRO-E.

      片山和典, 幸村孝由, 朝倉励子, 橋本谷磨志, 戸練景, 常深博, 北本俊二, 鶴剛, 尾崎正伸

      日本天文学会年会講演予稿集1998   181   1998

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    • Soft X-ray response of the proto-type CCD camera (XIS) for Astro-E Peer-reviewed

      K. Hayashida, S. Kitamoto, E. Miyata, H. Tsunemi, K. Hashimotodani, K. Katayama, T. Kohmura, R. Asakura, K. Yoshita, H. Katayama, M. Shouho, K. Koyoma, T.G. Tsuru, H. Awaki, T. Dotani

      Proceedings of SPIE - The International Society for Optical Engineering3445   278 - 290   1998

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    • Optical follow-up observations of the ASCA Large Sky Survey Peer-reviewed

      M Akiyama, K Ohta, T Yamada, Y Ueda, T Takahashi, M Sakano, T Tsuru, B Boyle

      ASTRONOMISCHE NACHRICHTEN319 ( 188 ) 465 - 466   1998

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      DOI： 10.1002/asna.2123190127

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    • Time Variation of X-Rays from GX 5-1

      KAMADO Yasuhide, KITAMOTO Shunji, MIYAMOTO Sigenori

      Publications of the Astronomical Society of Japan49 ( 5 ) 589 - 605   25 10 1997

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    • 23p-J-13 MAXI(Monitor of All-sky X-ray Image) on International Space Station

      Mihara T., Matsuoka M., Kawai N., Yoshida A., Kotani T., Negoro H., Rubin B., Shimizu H.M., Tsunemi H., Kitamoto S., Hayashida K., Miyata E., Hashimotodani K., Yoshita K., Yamauchi M.

      Meeting abstracts of the Physical Society of Japan52 ( 2 ) 84 - 84   2 9 1997

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    • Astro‐E搭載用X線CCDカメラ(XIS)の開発 II

      粟木久光, 小山勝二, 鶴剛, 常深博, 北本俊二, 林田清, 堂谷忠靖, RICKER G R, BAUTZ M W

      日本天文学会年会講演予稿集1997   184   1997

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    • ASCA Observation of Cygnus OB2 Association

      KITAMOTO Shunji, MUKAI Koji

      Publications of the Astronomical Society of Japan48 ( 6 ) 813 - 818   1 12 1996

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    • 8a-C-2 Measurement of Quantum Efficiency of a CCD for Direct X-Ray Detection

      Kitamoto S., Tsunemi H., Hayashida K., Miyata E., Hashimotodani K., Ohno Y., Sumi Y., Koyama K., Yamamoto K., Miyaguchi K.

      Abstracts of the meeting of the Physical Society of Japan. Sectional meeting1996 ( 1 ) 168 - 168   13 9 1996

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    • X-Ray Spectroscopy of Centaurus X-3 with ASCA over an Eclipse

      EBISAWA Ken, DAY Charles S. R., KALLMAN Timothy R., NAGASE Fumiaki, KOTANI Taro, KAWASHIMA Kenji, KITAMOTO Shunji, WOO Jonathan W.

      Publications of the Astronomical Society of Japan48 ( 3 ) 425 - 440   25 6 1996

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    • Plan of X-ray spectrometry for polarized light imaging.

      小山勝二, 田沢雄二, 鶴剛, 粟木久光, 富田洋, 尾崎正伸, 常深博, 北本俊二, 林田清

      宇宙放射線シンポジウム1995   36 - 39   3 1996

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    • Long-term behavior of centaurus X-3 observed with the all sky monitor on board Ginga

      H Tsunemi, S Kitamoto, Tamura, I

      ASTROPHYSICAL JOURNAL456 ( 1 ) 316 - 319   1 1996

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    • ACCRETION DISK STRUCTURE AND BRANCH BEHAVIOR OF CYGNUS X-2

      HIRANO Akira, KITAMOTO Shunji, YAMADA Tatsuya.T, MINESHIGE Shin, FUKUE Jun

      The Astrophysical Journal446   350 - 356   10 6 1995

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    • 衛星搭載用X線CCDカメラの開発 (II)

      冨田洋, 松本浩典, 鶴剛, 尾崎正伸, 常深博, 北本俊二, 林田清, 宮口和久, 山本晃永

      日本天文学会年会講演予稿集1995   226   1995

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    • ASTRO‐E搭載用X線CCDカメラ(XIS)の開発

      粟木久光, 鶴剛, 常深博, 北本俊二, 林田清, 堂谷忠靖, RICKER G R, BAUTZ M W, DOTY J P

      日本天文学会年会講演予稿集1995   224   1995

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    • IRON LINE INTENSITY VARIATIONS OF HERCULES-X-1 OVER THE PULSE PHASE AND THE 35-DAY CYCLE

      CS CHOI, F NAGASE, F MAKINO, T DOTANI, S KITAMOTO, S TAKAHAMA

      ASTROPHYSICAL JOURNAL437 ( 1 ) 449 - 457   12 1994

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    • TIME-DEPENDENT DISK ACCRETION IN X-RAY NOVA MUSCAE 1991

      MINESHIGE Shin, HIRANO Akira, KITAMOTO Shunji, YAMADA Tatsuya.T, FUKUE Jun

      The Astrophysical Journal426   308 - 312   1 5 1994

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    • 31p-YW-1 Study of the plasma around CygX-3 observed with ASCA satellite

      Kitamoto Shunji, Kawashima Kenji, Megoro Hitoshi, Nagase Fumiaki, White N.E

      Abstracts of the meeting of the Physical Society of Japan. Annual meeting49 ( 1 ) 173 - 173   16 3 1994

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    • X-RAY-OBSERVATION OF THE JOVIAN IMPACTS OF COMET SHOEMAKER-LEVY-9

      K TERADA, H NEGORO, K HAYASHIDA, S KITAMOTO, H TSUNEMI, H OYA, T ONO, A MORIOKA, Y TAWARA, T MUKAI, M HOSHINO, T TERASAWA

      EARTH MOON AND PLANETS66 ( 1 ) 75 - 81   1994

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    • DISCOVERY AND X-RAY-PROPERTIES OF GS-1124-683 (=NOVA MUSCAE)

      S KITAMOTO, H TSUNEMI, S MIYAMOTO, K HAYASHIDA

      ASTROPHYSICAL JOURNAL394 ( 2 ) 609 - 614   8 1992

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    • X-RAY-SPECTRUM AND TIME-VARIATION OF X1850-087 IN THE GLOBULAR-CLUSTER NGC-6712

      S KITAMOTO, H TSUNEMI, D ROUSSELDUPRE

      ASTROPHYSICAL JOURNAL391 ( 1 ) 220 - 227   5 1992

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    • Iron Emission Line from Cygnus X-3

      Kitamoto S., Yamashita K., Nakamura H.

        1990 ( 1 ) 92 - 92   12 9 1990

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    • A Jet Model for X-ray Star GX339-4

      Miyamoto S., Kitamoto S.

        1990 ( 1 ) 92 - 92   12 9 1990

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    • X線新星とブラックホ-ル候補 (ぎんが特集)

      常深 博, 北本 俊二, 井上 一

      天文月報83 ( 6 ) p161 - 163   6 1990

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    • X-Ray Spectrum and Iron Line Emission from Cygnus X-1

      KITAMOTO S.

      Publications of the Astronomical Society of Japan42 ( 1 ) p85 - 97   3 1990

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    • 13p-C-3 Phase lag structure of the X-rays from Cyg X-1 and GX 339-4

      Miyamoto Sigenori, Kitamoto Shunji, Kimura Kazuhiro

        1989 ( 1 ) 87 - 87   12 9 1989

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    • Scattered X-Ray Halo and Transient Dips of Cygnus X-1

      Publications of the Astronomical Society of Japan41 ( 1 ) p81 - 95   3 1989

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    • Time Variation of the X-rays from Cygnus X-1 : Hard X-ray Time Lag

      MIYAMOTO Sigenori, KITAMOTO Shunji

        23   77 - 94   3 1989

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      Cygnus X-1 has long been known as a the black hole candidate, whose X-ray flux shows rapid variability on many time scales. Its X-rays have long been considered to be due to inverse Compton scattering of low energy photons by a high temperature plasma clound of 10^8&acd;10^9K situated near the black hole. In this case, time variations of high energy X-rays are expected to be delayed with respect to those of lower energy X-rays. Complex cross spectrum analysis of Cygnus X-1 data taken with the large area proportional counters (LAC) onboard Ginga revealed that the time delay of the high energy X-rays with respect to the lower energy X-rays increases from about 2 msec to several sec for periods from 0.1 sec to 300 sec. This result is inconsistent with the inverse Compton scattering model of Cygnus X-1. The time lag is different in its sign from those in the low mass (QPO) X-ray stars which contain neutron stars. This seems to be explained by the fact that the X-ray emitting plasma is heating up near the black hole and disappears suddenly into the black hole. The phase lag always showed similar time behavior even if the energy ranges and observing times were different, and its characteristic time constants were about 0.1 sec, 3 sec and 10 sec.

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    • The Observation of a Bright X-Ray Nova, GS2000+25,Discovered with The ASM

      TSUNEMI Hiroshi, KITAMOTO Shunji, OKAMURA Sadanori, ROUSSEL-DUPRE Diane

        23   29 - 37   3 1989

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      Language：Japanese   Publisher：Japan Aerospace Exploration Agency  

      We report here the discovery with the All Sky Monitor Detector on board the GINGA satellite of the X-ray transient, GS2000+25,which appeared in the constellation Vulpecula on 23 April, 1988. The maximum observed intensity was 12 Crab (1-6keV). Two stars in the X-ray error box appeared to increase from the epoch of the Palomar Observatory Sky Survey; one of these was confirmed to be the counterpart by optical spectra and radio measurements. The X-ray spectrum and light curve during the decay phase shows that it belongs to a class of ultra-soft sources which include black hole candidates like A 0620-00. A detailed comparison with A 0620-00 supports the identification of GS2000+25 as a possible new black hole candidate.

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    • DISCOVERY OF A BRIGHT X-RAY NOVA, GS-2000+25

      H TSUNEMI, S KITAMOTO, S OKAMURA, D ROUSSELDUPRE

      ASTROPHYSICAL JOURNAL337 ( 2 ) L81 - &   2 1989

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    • AN X-RAY OUTBURST FROM 4U 0115+63 IN 1987 FEBRUARY MARCH

      H TSUNEMI, S KITAMOTO

      ASTROPHYSICAL JOURNAL334 ( 1 ) L21 - L23   11 1988

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    • 4p-G-3 こぎつね座に出現した大変明るいX線新星の観測

      北本 俊二, 常深 博

      秋の分科会講演予稿集1988 ( 1 ) 89 - 89   16 9 1988

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      Language：Japanese   Publisher：一般社団法人日本物理学会  

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    • Application of Multilayer Reflectors to X-Ray Optic System for Cosmic X-Ray Observation

      YMASHITA Koujun, TSUNEMI Hiroshi, KITAMOTO Shunji, HATSUKADE Isamu, MIYAKE Akira, UENO Yoshihiro

        21   31 - 45   3 1988

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      Language：Japanese   Publisher：Japan Aerospace Exploration Agency  

      Development of multilayer reflectors makes it possible to apply to the grazing and normal incidence X-ray optic system for the cosmic X-ray observation in 0.1-10keV region. For the grazing incidence X-ray telescope, multilayer reflectors have an advantage to make larger the glancing angle and to extend the energy range up to 10keV in the fixed configuration. The normal incidence X-ray telescope is attainable in the energy range below 0.4keV, though the sensitive energy band is limited by Bragg condition estimated from the layer thickness and the number of layer pairs. Multilayers are also useful optical elements to fabricate the X-ray spectrometer and polarimeter. We are fabricating multilayer reflectors with electron beam evaporation method in ultra-high vacuum. Material combinations are Mo/C, Mo/Si and Ni/C with 5-20 layer pairs and the layer thickness of 31-100A. They are deposited on flat and figured substrates of float glass and superpolished glass with the surface roughness of 2-3A (rms). Multilayers thus fabricated are evaluated by measuring the reflectivity, the wavelength resolution and Bragg angle with three characteristic X-rays of Cu-Kα(1.54A), Si-Kα(7.13A) and C-Kα(44.7A). Further investigations are carried out with the monochromatized synchrotron radiation in 14-250A band. The peak reflectivity of Cu-Kα is obtained to be 80% for Mo/C in the grazing incidence and that of λ160A to be more than 30% for Mo/Si in near normal incidence.

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    • 26p-A-6 多層膜反射鏡のX線望遠鏡への応用

      山下 広順, 常深 博, 北本 俊二, 廿日 出勇, 上野 良弘

      秋の分科会講演予稿集1987 ( 2 ) 394 - 394   16 9 1987

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    • 30a-B-9 低バックグラウンドガス蛍光比例計算管の開発

      宮本 重徳, 木村 和宏, 斎藤 誠, 常深 博, 北本 俊二

      秋の分科会講演予稿集1987 ( 1 ) 61 - 61   16 9 1987

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    • 8p-E-7 白鳥産X1のDip中の星間ダストによる散乱成分

      北本 俊二

      秋の分科会講演予稿集1986 ( 1 ) 107 - 107   12 9 1986

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      Language：Japanese   Publisher：一般社団法人日本物理学会  

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    • The Transient X-Ray Source 4U 1543-47 Observed from Tenma

      Publications of the Astronomical Society of Japan36 ( 4 ) p799 - 806   1 1985

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    • 1a-EE-3 宇宙X線源CygX-3の4.8時間周期変動

      北本 俊二, 宮本 重徳, 松井 渉, 天馬観測班

      秋の分科会講演予稿集1984 ( 1 ) 95 - 95   10 9 1984

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      Language：Japanese   Publisher：一般社団法人日本物理学会  

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    • 4p-BA-10 「てんま」によるSNRのX線スペクトルの観測

      常深 博, 北本 俊二, 山下 広順, 宮本 重徳, てんま観測班

      年会講演予稿集39 ( 1 ) 138 - 138   12 3 1984

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      Language：Japanese   Publisher：一般社団法人日本物理学会  

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    • 30a-A-3 高精度位置検出型比例計数管の開発

      北本 俊二

      年会講演予稿集37 ( 1 ) 81 - 81   14 9 1982

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      Language：Japanese   Publisher：一般社団法人日本物理学会  

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    • 1p-SE-10 新しい読み出し方式による位置検出型比例計数管の製作

      北本 俊二, 常深 博, 村井 秀夫, 津野 克彦, 宮本 重徳, 山下 広順

      秋の分科会講演予稿集1981 ( 1 ) 102 - 102   14 9 1981

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      Language：Japanese   Publisher：一般社団法人日本物理学会  

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    Books and Other Publications

    • 宇宙まるごとQ&A

      北本俊二, 原田知広, 亀田真吾（ Role： Joint author）

      理工図書  2 2021 

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    • 最新 宇宙学

      北本 俊二（ Role： Joint author ,  第１０章）

      裳華房  1 1 2004 

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      Language：Japanese Book type：Other

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    • 物理学実験―大阪大学理学部物理学科・物理学実験テキスト－

      （ Role： Other）

      大阪大学出版会（杉山清寛、福田光順、山中千博、下田正 編）  4 2003 

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      Language：Japanese Book type：Other

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    • 天体現象３Dシミュレーションソフト：太陽系大紀行

      （ Role： Other）

      講談社  4 2003 

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      Language：Japanese Book type：Other

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    • X線天文学で学ぶ物理の世界

      北本 俊二（ Role： Other）

      メディア教育開発センター  1 1 2002 

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      Language：Japanese Book type：Other

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    • 宇宙スペクトル博物館＜X線編＞見えない星空への招待

      （ Role： Other）

      裳華房  4 1999 

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      Language：Japanese Book type：Other

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    • X線でさぐるブラックホール

      （ Role： Other）

      裳華房ポピュラーサイエンス  4 1998 

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      Language：Japanese Book type：Other

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    • The Hot Universe

      Editors: Koyama, Katsuji, Kitamoto, Shunji, Itoh, Masayuki (E

      Springer  1998 

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    Professional Memberships

    • 1983 - Present 
      日本物理学会

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    • 1983 
      Th Astronomical Society of Japan

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    •  
      International Astronomical Union

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    Works

    • 回折限界X線望遠鏡の性能評価 Other

      4 2004
      -
      4 2005

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      Work type：Other  

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    • ブラックホールの直接観測を目指した超高分解能X線望遠鏡の開発 Other

      4 2002
      -
      4 2003

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      Work type：Other  

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    Research Projects

    • 超高精度X線望遠鏡の開発研究、ブラックホールの研究、星からのX線放射の研究

      科学研究費補助金 

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      4 2001 - Present

      Grant type：Competitive

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    • ブラックホール候補天体からのX線放射の半世紀にわたる長期変動の研究

      日本学術振興会  科学研究費助成事業 

      北本 俊二

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      4 2022 - 3 2025

      Grant number：22K03678

      Grant amount：\1170000 （ Direct Cost: \900000 、 Indirect Cost：\270000 ）

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    • 銀河団の暗黒物質の直接測定の可能性の研究

      日本学術振興会  科学研究費助成事業 

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      4 2013 - 3 2015

      Grant type：Competitive

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    • 新型エックス線管長系の試作研究

      科学研究費助成事業 

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      4 2010 - 3 2012

      Grant type：Competitive

      研究の最終目標は、ブラックホール候補天体の撮像をして、ブラックホール候補天体が本当にブラックホールであることを示すことである。そのために、これまでも超高精度撮像を目指して、研究を行ってきた（参考文献 Kitamoto et al. 2007. “X-ray imaging and adaptive optics system for a 13.5nm telescope”, SPIE 他）。この構想の延長として、本研究では、超高精度撮像装置のひとつの候補であるＸ線干渉計（http://maxim.gsfc.nasa.gov/docs/science/science.html）の試作実験を行う。本研究では、最近思いついた新型Ｘ線干渉計のアイデアの実証実験を行う。この実証ができれば、Ｘ線干渉計による天体観測、Ｘ線によるブラックホール撮像に大きく近づくことになる。

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    • 超高角度分解能エックス線望遠鏡からエックス線干渉計への発展的研究

      日本学術振興会  科学研究費助成事業 

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      4 2007 - 3 2010

      Grant type：Competitive

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    • 多層膜と電荷結合素子の組み合わせによるエックス線偏光計の開発

      科学研究費助成事業 

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      4 2007 - 3 2009

      Grant type：Competitive

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    • Application of Space Database to Space Science Education

      Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

      NAGASE Fumiaki, EBISAWA Ken, KITAMOTO Syunji, YOSHIDA Atsumasa, MATSUZAKI Keiichi, TAMURA Takayuki, YAJI Kentaro, UNO Shinichiro, MATSUSHITA Kyoko, TSUBOI Yoko, HIRABAYASHI Hisashi, TSUJIMOTO Kunihiro, BAMBA Aya, MURAKAMI Hiroshi, KUBOTA Aya, IIZUKA Ryo, FURUTA Yutaka, HAYASHI Souichi, AYABE Syunji, YOSHIDA Kiyonori, NOGUCHI Satoru, KAWABATA Yoshiaki, MIYAWAKI Ryousuke, SAWADA Sayoko, IWAMOTO Hitomi, YOSHIDA Tessei, BABA Akitoshi, SUGAWARA Yasuharu, TOTSUKA Shota, ASAOKA Ikuko, SHINOHARA Hideo, YAGIHASHI Nobuyoshi, UZAWA Akiko, KUSUNOKI Shingo

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      2007 - 2009

      Grant number：19300270

      Grant amount：\12480000 （ Direct Cost: \9600000 、 Indirect Cost：\2880000 ）

      We produced a teaching course material for young students to learn about high energy phenomena in space, using archival database obtained from high energy astronomical satellites. The teaching material consists of two parts ; the first part is a pamphlet of introduction to high energy astrophysics, history of X-ray astronomy, instruments and satellites for high energy observations, and guidance of the topics treated in this course. The second part is the main body of the course, distributed as a CD, which gives data analysis manual and discussion on the results for each scientific topic. This course includes scientific topics such as early type stars, supernova remnants, neutron stars, black-holes, dark-mater in clusters of galaxies. The CD includes both the data and software to be used for the analysis, thus readers can learn space science themselves using this CD on their own PCs.

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    • 時間変動で探るブラックホールへの物質流入とブラックホール撮像への挑戦

      文部科学省  科学研究費助成事業 

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      4 2005 - 3 2007

      Grant type：Competitive

      公募

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    • 回折限界X線望遠鏡の性能評価

      JAXA  受託研究（一般受託研究） 

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      4 2004 - 3 2007

      Grant type：Competitive

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    • Studies on x-ray emission mechanisms of stars by a collisional-radiative model including effects of radiation transfer

      Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

      YAMAMOTO Norimasa, KOHMURA TAKAYOSHI, KITAMOTO SHUNJI, SHIBAZAKI NORIAKI

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      2004 - 2006

      Grant number：16540221

      Grant amount：\3100000 （ Direct Cost: \3100000 ）

      Our research goal is to elucidate X-ray emission mechanisms of stars. To accomplish our study, at first we developed a new collisional-radiative model of stellar wind from stars including the radiation transfer. Next we applied our stellar wind model to the observed X-ray spectral lines with X-ray satellites to reveal the X-ray emitted region around stars, the density of the stellar wind, the temperature of the stellar wind, and so on.
      The result of our study is as follows.
      (1) Developments of a high precise collisional-radiative model of various helium-like (C, N, O, Ne, Mg, Si, S) ions. Inclusions of radiation transfer by Monte Carlo method are at a stage of a toy model.
      (2) Developments of a collisional-radiative model on KLM-shell Fe ions and applications to laboratory plasma. The model for Fe ions was applied to helical plasmas (large helical device (LHD) at the National Institute for Fusion Science) for highly precise modeling.
      (3) Constructions of a Doppler model including three components, the doppler shift derived from a velocity distribution of stellar winds, absorptions by mediums in stellar winds, and filling factors.
      (4) Analysis of early type stars obtained with X-ray satellites (Chandra and XMM-Newton) by the doppler model, and discussions of X-ray emission regions around stars. Furthermore X-ray emission spectra of stars by Suzaku satellite (launched in 2005) were analyzed. We obtained that x-ray emission regions of zeta-pup are near a star, on the other hand these of tau-sco are far from a star (Yamamoto et al.2007).
      We plan as follows, more precise analysis of x-ray emission spectra, a development from current toy model to a practical radiation transfer model, researches of practical non-equilibrium plasma model. Then, astronomical plasmas and solar plasmas are analyzed by the model.

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    • 見えない信号をキャッチせよ

      民間財団等  日産財団 

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      4 2004 - 3 2005

      Grant type：Competitive

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    • Ｘ線の短時間変動とＸ線による直接撮像で迫るブラックホールへの物質流入の研究

      文部科学省  科学研究費助成事業 

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      4 2003 - 3 2005

      Grant type：Competitive

      公募

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    • ブラックホールの直接観測を目指した超高分解能X線望遠鏡の開発

      日本宇宙フォーラム  受託研究（一般受託研究） 

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      4 2003 - 3 2004

      Grant type：Competitive

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    • X線光学における能動光学系の応用

      科学研究費助成事業 

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      4 2002 - 3 2004

      Grant type：Competitive

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    • X線によるマゼラン星雲の星形成

      科学研究費助成事業 

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      4 1998 - 3 2002

      Grant type：Competitive

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    • 画素の小さなCCDの開発研究

      科学研究費助成事業 

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      4 1996 - 3 2001

      Grant type：Competitive

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    • 高効率・高分散X線分光器の開発研究

      日本学術振興会  科学研究費助成事業 

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      4 1997 - 3 1999

      Grant type：Competitive

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    • X-ray Astronomy Study with the ASCA Satellite

      Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

      NAGASE Fumiaki, TANAKA Yasuo, ISHIDA Manabu, TAKAHASHI Tadayiki, MITSUDA Kazuhisa, INOUE Hajime

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      1996 - 1998

      Grant number：08044103

      Grant amount：\9100000 （ Direct Cost: \9100000 ）

      The purpose of this project is to perform observations and operations of ASCA in a collaboration between Japan and the United States of America, and to obtain scientific results from the X-ray observations on the X-ray binaries including compact objects, supernova remnants, active galactic nuclei, clusters of galaxies and the cosmic X-ray background. ASCA is the fourth Japanese X-ray satellite which was constructed in a collaboration between Japan and the U.S.A., and it was launched on February 20, 1993. The results of this project are summarized below :
      (1)We had national meetings and Japan-U.S.A.international meetings every year to select observation targets from the proposals, and discuss the organization of observation and operation of the satellite.
      (2)We examined the performance of the instruments onboard the satellite and provided the calibration database of the response of the instruments, including a time-dependent degradation of the performance of instruments.
      (3)We continuosly updated various software programs for data analysis, and produced an archival database for the convenience of international users.
      (4)We analyzed data from our own observations, and discussed the results with our partner country. These scientific results were presented at the international conferences and were published in academic journals.
      (5)All of the archival data were released to the scientists around the world with well-organized formats when the period of exclusive use by the owners expired.
      Because of the support by this grant-in-aid, we were able to perform well the ASCA observations and operations under the collaboration between Japan and the U.S.A.We obtained remarkable scientific results from the ASCA observations in various fields of X-ray astronomy.

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    • Development of an X-ray Poralimeter Using Direct X-ray Imaging CCD with Position, Energy and Time Resolution

      Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

      TSUNEMI Hiroshi, YAMAMOTO Kohei, HAYASHIDA Kiyoshi, KITAMOTO Syunji

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      1995 - 1996

      Grant number：07554002

      Grant amount：\21100000 （ Direct Cost: \21100000 ）

      The purpose of this research project is to improve not only the fundamental properties of X-ray CCD but also as an X-ray polarimeter. The research group consists of the member s in Hamamatsu photnonics (HPK) and the members in Osaka university. According to the specification determined by all the members, the CCD chips were fabricated at HPK,and the university side operated and examined those chips.
      Several kinds of CCD chips using different material and production methods have been made. We got eventually energy resolution of 140 eV for 5.9 keV X-rays with a CCD chip of which pixel size is 12 mum and pixel number is 512x512. Although the resolution was 160 eV at the end of the first year in the research term, reduction of the dark current by 1/50 lead to the better resolution. Using high registivity material, we got a CCD chip of which depletion layr is as thick as 20 mum.
      University side activities include the development of CCD operation and evaluation ; 1) spectrometer system for measuing the CCD detection efficiency for 0.4-2.2keV X-rays, 2) CCD drive clock to suppress spurious charge noise, 3) high speed read-out system using DSP,4) simulation code for X-ray absorption and charge collection process within CCD.Adding these, we invented a novel method for measuring detection efficiency for sub-pixel size structure by employing a mesh in front of the CCD chip. We also measured polarization degree of the X-ray beam from a laboratory X-ray generator. CCD chips with pixel size of 6 mum, which should be effective for X-ray polarimetry, were started to fabricate. The polarimeter-capability of those small pixel size CCD will be measured within the year of 1997.

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    • 早期型星のX線放射機構の研究

      日本学術振興会  科学研究費助成事業 

      北本 俊二

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      1995 - 1995

      Grant number：07222208

      Grant amount：\1700000 （ Direct Cost: \1700000 ）

      X線天文衛生「あすか」で4個のO型星ζ-Ori, δ-Ori, λ-Ori, ζ-PupからのX線を観測した。そして、各々の星から、高階電離したマグネシウムや珪素からの輝線を発見した。これより、O型星からのX線は熱的な起源をもつことを明らかにした。この結果を根拠にX線が光学的に薄い高温プラズマからの放射であると仮定して、X線放射のモデルと輝線の強度から、酸素、ネオン、マグネシウム、珪素、硫黄、鉄の組成比を見積もることに成功した。その結果、それらの元素組成比は、硫黄を除いて、いわゆる宇宙組成の約1/3以下で、とくに、鉄に関しては約1/10以下である事がわかった。これら、重元素の相対組成比は大質量星の爆発であるII型超新星で作られる元素組成比とたいへん良く似ている。このことから、O型星はII型超新星によって汚染されたガスから作られた事が示唆される。
      また、O型星の元素組成比がいわゆる宇宙組成比より重元素が少ないということは、次のような大問題を含んでいる。O型星のような早期型星はその年齢がせいぜい1千万年であるから、O型星を形成する元となったガスは、1千万年前のわれわれの銀河系内にあったガスである。O型星のような早期型星の表面のガスはほぼ星が形成された時のガスのままであるか、または、星内部の核融合反応によって生成された重元素によりさらに汚染されているはずである。X線は星風か、表面のコロナから放射されているはずであるから、X線で決めた重元素比は、星表面物質の重元素比を表わしている。すなわち、我々の結果は、1千年前の我々銀河系のガスがいわゆる宇宙組成比よりもはるかに少ない重元素しか含まなかった事を示唆している。

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    • 白鳥座X-3のX線発生機構の研究

      日本学術振興会  科学研究費助成事業 

      北本 俊二

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      1994 - 1994

      Grant number：06233214

      Grant amount：\1600000 （ Direct Cost: \1600000 ）

      研究目標は、白鳥座X-3のまわりで繰り広げられているたいへん強いX線と濃いガスの相互作用を解明するために、白鳥座X-3のまわりではどのような電離状態が達成されているか明らかにすることである。研究成果は以下のとうりである。「あすか」により白鳥座X-3の観測を行いそのエネルギースペクトルにはMg,Si,S,Ar,Ca,Feの輝線が大変強いことを発見した。これは、まさにX線とガスとの相互作用の結果と考えられる。さらに、鉄輝線は3本の輝線(H状イオン、He状イオン、ほぼ中性のイオンからの輝線)に分解することが出来た。また、H状及びHe状イオンからの輝線は公転周期に従ってその強度も等価幅も変動しており、しかもそれは、連続成分の変動とはまったく違った変動を示している。これは、輝線の放射機構と連続成分の放射機構が違っていることを意味する。また、「あすか」によりX線強度が少し違う状態で2度目の観測を行った。両者を比べることにより、少なくとも鉄輝線に関しては明らかな違いがあり、特に強度が弱くなると電離状態が低いと思われるイオンからの輝線が強くなっていることが明らかになった。これより、イオンの電離状態はX線の強度に強く依存することがわかった。公転周期の解析により、周りのガスの密度が推定することができ、X線の強度とガスの密度から、電離状態等を計算することができ、ほぼ観測とあうことを確認した。

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    • X-Ray Astronomy Study with the Astro-D Satellite

      Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

      NAGASE Fumiaki, DOTANI Takayasu, ISHIDA Manabu, KII Tsuneo, ITOH Masayuki, MATSUOKA Masaru, SHIBAZAKI Noriaki, OHASHI Takaya, KUNIEDA Hideyo, TAWARA Yujuru, KITAMOTO Shunji, MIHARA Tatehiro, TANAKA Yasuo, CANIZARES C., RICKER G., TSURU Takeshi, AWAKI Hisamitsu, KAWAI Nobuyuki, YOSHIDA Atsumasa, SERLEMITSOS P., HAYASHIDA Kiyoshi, BREON S., EBISAWA Ken, VOLZ S.v., KELLEY R., HELFAND D., MCCAMMON, TSUNEMI Hiroshi, MAKISHIMA Kazuo, MITSUDA Kazuhisa, MURAKAMI Toshiaki, KOYAMA Katsuji, YAMASHITA Koujun, OGAWARA Yoshiaki, MIYAMOTO Shigenori, MUSHOTZKY R., MAKINO Fumiyashi, HOLT S., INOUE Hajime

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      1992 - 1994

      Grant number：04044167

      Grant amount：\11600000 （ Direct Cost: \11600000 ）

      ASCA (ASTRO-D), the fourth X-ray astronomy satellite of ISAS,was successfully launched on February 20,1993. It carries nested thin-foil X-ray mirrors providing a large effective area over a wide energy range from 0.5 to 10keV.A set of CCD cameras and imaging gas scintillation proportional counters are placed on the focal plane. ASCA is a high-throughput imaging and spectroscopic X-ray observatory with these instruments.
      An extensive collaboration between Japanese and U.S.scientists has been carried out in the joint developments of the X-ray telescopes, the X-ray CCD cameras, and computer software. It is continuing in the maintenance and the in-flight calibration of the instruments, and also in the data analysis and the following scientific activities.
      ASCA is an X-ray astronomy observatory which is, for the first time, capable of performing imaging and spectroscopic observations simultaneously over a wide energy range 0.5-10keV.The ASCA instruments cover the most important energy band for plasma diagnostics, because all the K-lines and the K-absorption edges from oxygen through iron at various ionization stages lie within this band. The CCD camera of ASCA can resolve all major lines individually. Motion of plasma of the order or greater than 1000km/s can be measured significantly from Doppler shift of the line energies. These capabilities of ASCA allow diagnostics of accreting matter around such compact objects as neutron stars and black holes. Spatially-resolved spectroscopy with ASCA also provides powerful means for the investigations of extended plasmas in supernova remnants, galaxies, and clusters of galaxies.
      The key elements of ASCA are succesfully working in orbit. ASCA has already obtained several remarkable scientific results. Most of them are due to the Japan-US collaboration with the help of this International Scientific Research Program as A Grant-in Aid for Scientific Research.

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    • X線ラインスペクトルを用いたX線天体におけるX線放射過程の研究

      日本学術振興会  科学研究費助成事業 

      宮本 重徳, 林田 清, 北本 俊二

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      1993 - 1993

      Grant number：05242214

      Grant amount：\2500000 （ Direct Cost: \2500000 ）

      ブラックホール候補星GS1124-683と中性子星X線星GX5-1からのX線のエネルギースペクトルと時間変動の関係を研究した。GS1124-683のHigh Stateに於けるX線は、巾関数型のパワースペクトルの時間変動を持つ降着円盤からの成分と、ローレンツ関数型のパワースペクトルの時間変動を示す高エネルギー成分から構成されていることが解った。大雑把には、それぞれの成分は独自の大きさを持ち、観測されるX線は二つの成分の独立な和として解釈出来るが、高エネルギー成分の割合が多くなると降着円盤成分の時間変動は大きくなる傾向がある。Low Stateでは、X線はHigh State時に比べて大きな時間変動を示す巾関数型のエネルギースペクトルを持つ。二つの状態で、クロススペクトルから求めたエネルギーバンド間の時間の遅れの様子も違う。GX5-1からのX線もGS1124-683のHigh Stateと同様に、巾関数型で大きさもGS1124-683とほぼ同じパワースペクトルの時間変動を持つ降着円盤からの成分と、ローレンツ関数型のパワースペクトルの時間変動を示す高エネルギー成分(おそらく中性子星表面からの成分)から構成されていることが解った。
      「あすか」により白鳥座X-3の観測を行い輝線スペクトルについて、かつて無い精度でその振舞いを調べた。鉄輝線は3本の輝線(H状イオン、He状イオン、ほぼ中性のイオンからの輝線)に分解することが出来た。また、H状及びHe状イオンからの輝線は公転周期に従ってその強度も等価幅も変動しており、しかもそれは、連続成分の変動とはまったく違った変動を示している。これは、輝線の放射機構と連続成分の放射機構が違っていることを意味する。

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    • High Energy Transient Experiment

      Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

      MATSUOKA Masaru, HATSUKADE Isamu, TAKAGISHI Kunio, KITAMOTO Shunji, TSUNEMI Hiroshi, KOHNO Tsuyoshi, IMAI Takashi, YAMAUCHI Makoto, YOSHIDA Atsumasa, KAWAI Nobuyuki, RICKER George, FENIMORE Wdward E.

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      1991 - 1993

      Grant number：03044162

      Grant amount：\6000000 （ Direct Cost: \6000000 ）

      It has become increasingly apparent that origin of cosmic gamma-ray bursts (CGBs) can only be determined by identifying burster counterparts in other energy ranges. To date, slightly over half a dozen CGBs have positions determined to 10 square arc-minutes or better. Although the burst and transient experiment on the Gamma-Ray Observatory are greatly increasing the number of known burst sources and provide fundamentally new information on their distribution over the sky, the accuracy of source locations it provides to be at best in the -1 degree range. Infrared, optical and soft X-ray searches have not revealed any convincing candidates for these CGBs. Even apart from the important information which such observations convey about the physics of CGB sources, they can in principle serve the important function of bridging the gap between the relatively large (-several arc-minutes in size) gamma-ray error boxes and the very small (-a few arc-seconds in size) boxes needed to conduct deep optical searches (> 25th magnitude) for the exceedingly faint quiescent burster counterparts. For all searches to date, questions concerning possible proper motion, the association between the putative optical and gamma-ray emission and the time structure of the optical transient event, remain unanswered. The high energy transient experiment project was internationally organized to reach an integrated approach to resolving these and other fundamental questions about CGBs and other astronomical transients.
      Considering these situations, this project promotes the international specific satellite which contains three scientific instruments ; an omnidirectional gamma-ray spectrometer (France-CESR), a wide-field X-ray monitor (Japan- RIKEN), and an ultraviolet transient camera array. (USA-MIT) This satellite is scheduled to be launched by NASA Pegasus rocket in April-May, 1995. We have to communicate various information internationally to promote this satellite. We have meetings and do tests to adjust collaboration and interfaces of instruments.

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    • Study of Hard X-rays and gamma -rays from AGN's aboard Balloons

      Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

      KAMAE Tsuneyoshi, BRAGA J., DUROUCHOUX P., MICHAELSON P., SADOULET B., EDBERG T., CORREA R., WEISKOPF M., TAKAHASHI Yoshiyuki, NOMACHI Masaharu, IKEDA Hirokazu, OHTA Shigeo, AKIYAMA Hiromitsu, YAMAGAMI Takamasa, YAJIMA Nobuyuki, TAKAHASHI Tadayuki

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      1991 - 1993

      Grant number：03041022

      Grant amount：\30000000 （ Direct Cost: \30000000 ）

      We have been developing a new hard X-ray/Gamma-ray(40keV - 800keV)detector, Welcome-1. Its characteristic is the low-background counts, which is very important factor of the balloon or satellite-borne detector. The detector utilizes the well-type phoswich counter and the compound-eye configuration. Based on the experience with the Welcome -1 detector launched from Brazil, we have improved the detector. In order to obtain higher sensitivity along the line we have pursued, we have reduced the background by narrowing the opening angle of the detector and replacing the main scintillation detector from GSO to Nal.
      We performed the balloon-borne experiment at Sanriku, Japan on June 5, 1993. Dr. Tim Edberg was invited as a co-investigator. We observed Crab Nebuula/Pulsar for three hours. Signal to noise ration at the energy range from 50keV to 150 keV exceeds 1.5 in which the flux from the source is reduced to 1/3 by tghe air-attenuation. This S/N ration is the highest among the hard X-ray detectors launched so far. In order to discuss, the feasibility and possible procedures for the future collaborative balloon campaign, we went abroad and discussed with the chair person at several institutes.

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    • An Basic Study for a Transmission Grating with Reduced 0th Order Light

      Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

      KITAMOTO Sunji

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      1991 - 1992

      Grant number：03804009

      Grant amount：\1600000 （ Direct Cost: \1600000 ）

      A new transmission grating is developed. So far crystals and gratings have been used fro a dispersive elements in spectrometers for X-rays. The crystals provide high spectral resolution, but the observation effeciency for a certain energy band is small. The reflective gratings have a good efficiency near the brazed wave length. But in order to apply it for the X-rays above 2 ke V a large area is required. The transmission grating is one of the most interesting device for the spectrometer for X-rays above 2 keV. However, the big disadvantage of the transmission grating is its inefficiency into the dispersed light (10.13% for each first order). One of the reason of the inefficiency is that the braze-angle could not be introduced for a transmission grating.
      In this research, I introduce a new idea for the transmission grating in order to improve the efficiency to the first order light. The introduction of one reflection in the transmission grating can resemble a braze-angle, and make the 0th order light reduced, and the first order light emphasized. Computer simulation demonstrated these performances. Furthermore, experiments using a visible light also showed the grate advantage of this new transmission grating.

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    • Japan-U. K. Collaboration in X-ray Astronomy Research with the Scientific Satellite "Ginga"

      Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

      TANAKA Yasuo, TAHARA Yuzuru, KUNIEDA Hideyo, ITOH Masayuki, DOTANI Tadayasu, MITSUDA Kazuhisa, KII Tsuneo, TSUNEMI Hiroshi, SHIBAZAKI Noriaki, MAKISHIMA Kazuo, MURAKAMI Toshio, INOUE Hajime, NAGASE Fumiaki, MATSUOKA Masasu, KOYAMA Katsuji, YAMASHITA Koujun, OGAWARA Yoshiki, MIYAMOTO Shigenori, MAKINO Fumiyoshi, HAYASHIDA Kiyoshi, KITAMOTO Shunji, COOKE B. A., WATSON M. G., WARWICK R. S., STEWART G. S., OHASHI Takaya, KAWAI Nobuyuki, POUNDS K. A., TURNER M. J. L, YOSHIDA Atsumasa, ISHIDA Manabu, TENNANT A., MCHARDY I., WILLIAMS R., CRUISE M., PATCHET B., MASON K. O., MUKAI K., FABIAN A.

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      1989 - 1991

      Grant number：01044145

      Grant amount：\10800000 （ Direct Cost: \10800000 ）

      The fiscal year of 1991 has become the end of mission life of the Ginga satellite, which stayed in the orbit for 4 years and 9 months since the launch on February 5 1987. The orbit of Ginga continued to decay, until October 30 1991 when the last contact was made with the satellite. It is believed that Ginga re-entered the atmosphere on November 1 or so. Under these circumstances, two scientists from Japan visited the United Kingdom on three occasions, and two UK scientists visited Japan on three occasions as well. Principal results of collaboration in the present fiscal year include the following three items.
      (1)The scientists from, both parties closely collaborated on the Ginga operation during the last phase of its mission life. In particular, the Large Area Proportional Counter, a UK-Japan joint experiment serving as the main instrument of Ginga, has been calibrated in detail to demonstrate that its performance stayed constant during the entire mission life.
      (2)The entire Ginga data are stored both in Japan and UK, and will continue to be of precious scientific valuable for the entire world. Discussion was therefore made to establish an appropriate scheme to make these archival data open to public, especially to scientists of other countries.
      (3)Joint data analysis was made on several research topics, followed by preparations of joint papers. The topics include cosmic X-ray background, active galactic nuclei, X-ray pulsars, X-ray emitting white dwarfs, and so on.

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    • A Long term time variation of the X-rays from binary X-ray stars.

      Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

      MIYAMOTO Sigenori, KITAMOTO Shunji, TSUNEMI Hiroshi

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      1988 - 1989

      Grant number：63540197

      Grant amount：\1100000 （ Direct Cost: \1100000 ）

      Time variation of X-rays from binary X-ray stars are observed with the all sky monitor, (ASM) and the large area counters (LAC) onboard GINGA. With ASM we found more than 13 so-called X-ray novas. Among these, there are GS2000+25 and GS2023+338, which seem to be black hole candidates because of their time variations and energy spectra of X-rays. We also studied the X-ray time variations of Cygnus X-1 and GX339-4, which were also black hole candidates.
      We discovered GS2023+25 on 26th April 1989. Its whole behavior from the appearance to the disappearance was very similar to the black hole candidate X- ray star AO620-00.
      GS2023+338 was discovered on 21st May 1989. This source showed very large, short and long term time variations up to the factor of about 500 before 1st of June. After this time, this source showed rapid time variations which was very similar to those of Cygnus X-1 in its low state. The power density spectrum and the lag time structure of its time variations were similar to those of Cygnus X-1.
      Cygnus X-1 was observed with LAC, and we found the structure of the time lag of the time variations can not be explained by the Compton scattering model, which had been assumed to explain the energy spectrum of this source. We also found there were two characteristic time constants of about 0.2 sec and 0.7 sec, with which we could reproduce the power density spectrum and phase lag structure of X-rays from this source.
      We found there existed very high state in GX339-4 from the observation with ASM. We also observed this source with LAC and found the phase lag structure could be explained by the existence of the Compton scattering cloud of the size of about 2 10^9cm. Based on this fact we proposed a jet model which can explain the energy spectrum and the phase lag structure of this source.

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    • A Research for High Efficiency X-Ray Spectrometers Using Multilayers

      Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

      KITAMOTO Shunji, YAMASHITA Koujun

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      1987 - 1988

      Grant number：62540190

      Grant amount：\1700000 （ Direct Cost: \1700000 ）

      For a high efficiency X-ray spectrometer, we introduced a new method using etalon. Multilayers have a merit which can be freely designed the structure. Inserting a spacer between regularly piled layers, we can make a etalon. Furthermore, we can control the characteristics of the reflectivity of etalon, changing the thickness of the spacer. Using suitable etalons, we can get a fourier transformed signals of the X-ray spectrum and we can reconstruct the X-ray spectrum with inverse fourier transforms of the signals. We showed the validity of this method by a computer simulation.
      To get a basic data of the multilayers, we fabricated various thickness multilayers consisting of Ni and C, and evaluated the reflectivity. We found that it is difficult to make a high reflectivity multilayers with the thickness of less than 100A and found that its cause is roughness of the layers of about 10A (r.m.s). On the basis of this results, we fabricated etalons consisting Ni and C and evaluated the characteristics of reflectivity using characteristic X-rays and synchrotron orbital radiators. We found that the etalons have a roughly designed characteristics.
      We also developed a position sensitive proportional counter and evaluated its characteristics. We found that our position sensitive proportional counter has about 2 mm position resolution and 18% energy resolution for 5.9 keV X-rays. It is possible to make a high efficiency X-ray spectrometer using our position sensitive proportional counter and etalons.

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    • 科学衛星Astro-C(ぎんが)による日英共同X線観測調査

      日本学術振興会  科学研究費助成事業 

      田中 晴郎, 渡辺 鉄哉, 河合 誠之, 北本 俊二, 大橋 隆哉, 国枝 秀世, 常深 博, 満田 和久, 田原 譲, 井上 一, 村上 敏夫, 杉岡 勝, 牧島 一夫, 小山 勝二, 長瀬 文昭, 山下 広順, 小川原 嘉明, 宮本 重徳, 小田 稔

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      1987 - 1987

      Grant number：62041110

      Grant amount：\3600000 （ Direct Cost: \3600000 ）

      この研究の目的は日英双方のX線天文学グループが経験と技術を併せて,〓界最大規模の大面積比例計数管を製作Astro-C(ぎんが)に搭載しX線天体の精密観測による研究を行うことである. ぎんがは昭和62年2月打ち上げられ性能評価,調整作業も無事完了したので,次は日英科学者が共同して多くの観測成果を挙げることがこれからの目的である.
      宇宙科学研究所のX線天文衛星「ぎんが」は昭和62年2月5日に打ち上げられ,順調に働いている. この衛星の主観測装置である大面積比例計数管は日本と英国のLeicester大学,Rutherford Appsleton研究所のグループとの共同で製作したものであり,これまでで〓界最高のX線集光面積を持つものである.
      打ち上げ以来,昭和62年9月まで,軌道上での性能評価,較正及び解析ソフトウェアの開発等を日英共同で行った. この目的のため「かに星雲」その他標準となるX線源の観測を行い,それを日英双方で解析を行い,両者のソフトウェアの互換性のチェックを行うと共に,最適性能を得るよう観測装置の微調整を行った.
      9月以降は個々の科学者からの観測申込を日英双方から募集し,選択されたものについて観測を行っている. 多数の応募があったため,2度の日英会合で調整を計った. 11月には初期成果の検討会を宇宙研で開催し, (宇宙圏研究会),英国側から数名が参加した.
      「ぎんが」の性能を反映して,多くの優れた成果が得られつつある. 日英共同の観測については,論文を作成するため結果の検討,討議が必要であり,この為の科学者の相互訪門が行れた. 数編の日英共著の論文がまとまりつつあり,間もなく学会誌に発表される運びである.
      これ迄に,多くのX線星について周期的変化(パルサー),準周期変動,不規測変動スペクトル等について詳しく調べられた他,特異X線星SS433の構造を調べる手掛りとなる新しい知見が得られた. 又, 新しいX線源の発見と共に,超遠方の活動銀河核のスペクトルや強度変化等についてこれまでにない高精度の観測結果が次々に生まれている. 更に,大マゼラン星雲に出現した超新星については最新のデーターを全〓界に提供している. 将来も引き続き,日英科学者による密接な共同研究を続けることを双方が強く希望している.

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    • Application of Multilayer Reflectors to Spectroscopic and Instruments for Cosmic X-Ray Observation

      Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research 

      YAMASHITA Koujun, KITAMOTO Shunji, TSUNEMI Hiroshi, MIYAMOTO Shigenori

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      1985 - 1987

      Grant number：60420004

      Grant amount：\31300000 （ Direct Cost: \31300000 ）

      Development of multilayer reflectors makes it possible to apply to the grazing and normal incidence X-ray optic system for the comsic X-ray observation in 0.1 - 10keV region. For the grazing incidence X-ray telescope, multilayer reflectors have an advantage to make larger the glancing angle and to extend the energy range up to 10keV in the fixed geometrical configuration. The normal incidence X-ray telescope is attainable in the energy range below 0.4keV, though the sensitive energy hand is limited by Bragg condition estimated form the layer thickness and the number of layer pairs. Multilayers are also useful optical elements to fabricate the X-ray spectrometer and polarimeter.
      We are fabricating multilayer reflectors with an electro beam evaporation in method ultrahigh vacuum. Material combinations are Mo/C, Mo/Si and Ni/C with 5-20 layer pairs and the layer thickness of 36-100A. They are deposited on flat and figured substrates of float glass and superpolished glass with the surface roughness of 2-3A(rms).
      Multilayers thus fabricated are evaluated by measuring the reflectivity, the wavelength resolution and the Bragg angle of the reflection order with four characteristic X-rays of Cu-K<alpha>(1.54A), Si-K<alpha> (7.13A), Al-K<alpha>(8.34A), C-K<alpha>(44.7A). Further investigations are carried out with the monochromatized synchrotron radiation in 14-250A band at Photon Factory, National Laboratory for High Energy Physics, and at UVSOR, Institute for Molecular Science. The peak reflectivity of Cu-K<alpha> is obtained to be 80% for Mo/C in the grazing incidence and that of <lambda>160A to be more than 30% for Mo/Si in the near normal incidence.

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    • 軟X線光学、軟X線検出器

      科学研究費補助金 

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      Grant type：Competitive

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    • X線分光測定装置

      北本俊二

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      Applicant：ＪＳＴ

      Application no：平成10年特許願第248718  Date applied：2 9 1998

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