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2008 Fiscal Year Final Research Report

Study for the Galactic Center Activity and Origin of the Highest Energy Cosmic Rays

Research Project

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Project/Area Number 18204015
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Astronomy
Research InstitutionKyoto University

Principal Investigator

KOYAMA Katsuji  Kyoto University, 大学院・理学研究科, 教授 (10092206)

Co-Investigator(Kenkyū-buntansha) TSURU Takeshi  京都大学, 大学院・理学研究科, 准教授 (10243007)
MATSUMOTO Hironori  京都大学, 大学院・理学研究科, 助教 (90311365)
Project Period (FY) 2006 – 2008
KeywordsX線γ線天文学
Research Abstract

銀河中心領域からのFeI, FeXXV, Fe XXVI のKα線を分離し、その空間分布を正確にもとめた。その結果、銀河中心は7000 万度のプラザがほぼ1×2度の範囲を満たしていること、またFeI のKα線は銀河中心にある巨大ブラックホールが約300年前に強いX線を放射し、それが蛍光、反射した結果(X線反射星雲)であることを確認した。このようなX線反射星雲の候補をいくつも発見した。SCI 時のCTE 補正法、および、その補正パラメータの決定法を開発した。こうして全ての「すざく」XIS の観測はSCI を使うに至った。

  • Research Products

    (48 results)

All 2009 2008 2007 2006 Other

All Journal Article (19 results) (of which Peer Reviewed: 18 results) Presentation (23 results) Book (4 results) Remarks (2 results)

  • [Journal Article] X-ray emission from the Sagittarius D region2009

    • Author(s)
      Nobukawa Masayoshi, Sawada Makoto, Matsumoto Hironori, Tsuru Takeshi Go, Koyama Katsuji
    • Journal Title

      AdSpR 43

      Pages: 1045-1048

    • Peer Reviewed
  • [Journal Article] Spatial Distribution of the Galactic Center Diffuse X-Rays and the Spectra of the Brightest 6.4keV Clumps2009

    • Author(s)
      Koyama, K, Takikawa, Y, Hyodo, Y, Inui, T, Nobukawa, M, Matsumoto, H, Tsuru, T, G.
    • Journal Title

      PASJ 61S

      Pages: 255-262

    • Peer Reviewed
  • [Journal Article] Time Variability of the Neutral Iron Lines from the Sagittarius B2 Region and Its Implication of a Past Outburst of Sagittarius A2009

    • Author(s)
      Inui, T, Koyama, K, Matsumoto, H, Tsuru, T, G
    • Journal Title

      PASJ 61S

      Pages: 241-253

    • Peer Reviewed
  • [Journal Article] X-Ray Reflection Nebulae with Large Equivalent Widths of the Neutral Iron Kα Line in the Sagittarius C Region2009

    • Author(s)
      Nakajima, H, Tsuru, T, G, Nobukawa, M, Matsumoto, H, Koyama, K, Murakami, H, Senda, A, Yamauchi, S
    • Journal Title

      PASJ 61S

      Pages: 233-240

    • Peer Reviewed
  • [Journal Article] A New Supernova Remnant Candidate and an Associated Outflow in the Sagittarius C Region2009

    • Author(s)
      Tsuru, T, G, Nobukawa, M, Nakajima, H, Matsumoto, H, Koyama, K, Yamauchi, S
    • Journal Title

      PASJ 61S

      Pages: 219-223

    • Peer Reviewed
  • [Journal Article] X-Ray Observations of the Sagittarius D HII Region toward the Galactic Center with Suzaku2009

    • Author(s)
      Sawada, M, Tsujimoto, M, Koyama, K, Law, C, J, Tsuru, T, G, Hyodo, Y
    • Journal Title

      PASJ 61S

      Pages: 209-218

    • Peer Reviewed
  • [Journal Article] New CTI Correction Method for Spaced-Row Charge Injection of the Suzaku X-Ray Imaging Spectrometer2009

    • Author(s)
      Uchiyama, H, Ozawa, M, Matsumoto, H, Tsuru, T, G, Koyama, K, Kimura, M, Uchida, H, Nakajima, H, Hayashida, K, Tsunemi, H, 11 coauthors
    • Journal Title

      PASJ 61S

      Pages: 9-15

    • Peer Reviewed
  • [Journal Article] Energy-Scale Calibration of the Suzaku X-Ray Imaging Spectrometer Using the Checker Flag Charge-Injection Technique in Orbit2009

    • Author(s)
      Ozawa, M, Uchiyama, H, Matsumoto, H, Nakajima, H, Koyama, K, Tsuru, T, G, Uchino, M, Uchida, H, Hayashida, K, Tsunemi, H, 12 coauthors
    • Journal Title

      PASJ 61S

      Pages: 1-7

    • Peer Reviewed
  • [Journal Article] Suzaku Detection of Extended/Diffuse Hard X-Ray Emission from the Galactic Center2008

    • Author(s)
      Yuasa, T, Tamura, K, Nakazawa, K, Kokubun, M, Makishima, K, Bamba, A, Maeda, Y, Takahashi, T, Ebisawa, K, Senda, A, 5 coauthors
    • Journal Title

      PASJ 60S

      Pages: 207-221

    • Peer Reviewed
  • [Journal Article] A Time-Variable X-Ray Echo : Indications of a Past Flare of the Galactic-Center Black Hole2008

    • Author(s)
      Koyama, K, Inui, T, Matsumoto, H, Tsuru, T, G
    • Journal Title

      PASJ 60S

      Pages: 201-205

    • Peer Reviewed
  • [Journal Article] Suzaku Spectroscopy of an X-Ray Reflection Nebula and a New Supernova Remnant Candidate in the SgrB1 Region2008

    • Author(s)
      Nobukawa, M, Tsuru, T, G, Takikawa, Y, Hyodo, Y, Inui, T, Nakajima, H, Matsumoto, H, Koyama, K, Murakami, H, Yamauchi, S
    • Journal Title

      PASJ 60S

      Pages: 191-199

    • Peer Reviewed
  • [Journal Article] Suzaku Observation of G359,79-0,26, a New Supernova Remnant Candidate in the Galactic Center2008

    • Author(s)
      Mori, H, Tsuru, T, G, Hyodo, Y, Koyama, K, Senda, A
    • Journal Title

      PASJ 60S

      Pages: 183-190

    • Peer Reviewed
  • [Journal Article] Performance of the Charge-Injection Capability of Suzaku XIS2008

    • Author(s)
      Nakajima, H, Yamaguchi, H, Matsumoto, H, Tsuru, T, G, Koyama, K, Tsunemi, H, Hayashida, K, Torii, K, Namiki, M, Katsuda, S, and 10 coauthors
    • Journal Title

      PASJ 60S

      Pages: 1-9

    • Peer Reviewed
  • [Journal Article] Iron and Nickel Line Diagnostics for the Galactic Center Diffuse Emission2007

    • Author(s)
      Koyama, Katsuji, Hyodo, Yoshiaki, Inui, Tatsuya, Nakajima, Hiroshi, Matsumoto, Hironori, Tsuru, Takeshi Go, Takahashi, Tadayuki, Maeda, Yoshitomo, Yamazaki, Noriko Y, Murakami, Hiroshi, 7 coauthors
    • Journal Title

      PASJ 59S

      Pages: 245-255

    • Peer Reviewed
  • [Journal Article] X-Ray Spectrum of Sagittarius A East2007

    • Author(s)
      Koyama, Katsuji, Uchiyama, Hideki, Hyodo, Yoshiaki, Matsumoto, Hironori, Tsuru, Takeshi Go, Ozaki, Masanobu, Maeda, Yoshitomo, Murakami, Hiroshi
    • Journal Title

      PASJ 59S

      Pages: 237-243

    • Peer Reviewed
  • [Journal Article] Suzaku Spectroscopic Study of Hard X-Ray Emission in the Arches Cluster2007

    • Author(s)
      Tsujimoto, Masahiro, Hyodo, Yoshiaki, Koyama, Katsuji
    • Journal Title

      PASJ 59S

      Pages: 229-235

    • Peer Reviewed
  • [Journal Article] Discoveries of Diffuse Iron Line Sources from the Sgr B Region2007

    • Author(s)
      Koyama, Katsuji, Inui, Tatsuya, Hyodo, Yoshiaki, Matsumoto, Hironori, Tsuru, Takeshi Go, Maeda, Yoshitomo, Murakami, Hiroshi, Yamauchi, Shigeo, Kissel, Steven E, Chan, Kai-Wing, Soong, Yang
    • Journal Title

      PASJ 59S

      Pages: 221-227

    • Peer Reviewed
  • [Journal Article] X-Ray Imaging Spectrometer (XIS) on Board Suzaku2007

    • Author(s)
      Koyama, Katsuji, Tsunemi, Hiroshi, Dotani, Tadayasu, Bautz, Mark W, Hayashida, Kiyoshi, Tsuru, Takeshi Go, Matsumoto, Hironori, Ogawara, Yoshiaki, Ricker, George R, Doty, John, 36 coauthors
    • Journal Title

      PASJ 59S

      Pages: 23-33

    • Peer Reviewed
  • [Journal Article] The X-Ray Observatory Suzaku2007

    • Author(s)
      Mitsuda, Kazuhisa, Bautz, Mark, Inoue, Hajime, Kelley, Richard L, Koyama, Katsuji, Kunieda, Hideyo, Makishima, Kazuo, Ogawara, Yoshiaki, Petre, Robert, Takahashi, Tadayuki, and 133 coauthors
    • Journal Title

      PASJ 59S

      Pages: 1-7

  • [Presentation] Flight calibration of the Suzaku XIS using the charge injection technique2008

    • Author(s)
      Ozawa, Midori, Uchiyama, Hideki, Nakajima, Hiroshi, Mori, Hideyuki, Matsumoto, Hironori, Tsuru, Takeshi Go, Koyama, Katsuji, Uchino, Masahiro,Hayashida, Kiyoshi, Tsunemi, Hiroshi, 7 coauthors
    • Organizer
      SPIE
    • Place of Presentation
      (7011E)(65)
    • Year and Date
      20080000
  • [Presentation] Suzaku Results of SN 1006 : Chemical Abundances of the ``youngest'' Galactic Type Ia Supernova Remnant2008

    • Author(s)
      Koyama, Katsuji
    • Organizer
      AIPC
    • Place of Presentation
      (1016)( 361)(Origin of Matter and Evolution of Galaxies - From the Dawn of Universe to the Formation of Solar System)
    • Year and Date
      20080000
  • [Presentation] Suzaku Observations of the Galactic Center : The Origin of Highly Ionized Iron Lines2008

    • Author(s)
      Hyodo, Yoshiaki, Koyama, Katsuji
    • Organizer
      mgng.conf
    • Place of Presentation
      156
    • Year and Date
      20080000
  • [Presentation] X-ray observation of the Sagittarius D HII region toward the Galactic Center with Suzaku2008

    • Author(s)
      Sawada, Makoto, Tsujimoto, Masahiro, Koyama, Katsuji
    • Organizer
      cosp
    • Place of Presentation
      .37.2755
    • Year and Date
      20080000
  • [Presentation] X-ray emission from the Sagittarius D SNR region with Suzaku2008

    • Author(s)
      Nobukawa, Masayoshi, Koyama, Katsuji, Tsuru, Takeshi, Sawada, Makoto
    • Organizer
      cosp
    • Place of Presentation
      .37.2243
    • Year and Date
      20080000
  • [Presentation] Mitigating CCD radiation damage with charge injection : first flight results from Suzaku2007

    • Author(s)
      Bautz, M. W., LaMarr, B. J., Miller, E. D., Kissel, S. E., Prigozhin, G. Y., Burke, B. E., Gregory, J. A., Uchiyama, H., Hyodo, Y., Yamaguchi, H., 13 coauthors
    • Organizer
      SPIE
    • Place of Presentation
      6686E(23)
    • Year and Date
      20070000
  • [Presentation] The onboard calibration for the spaced-row charge injection of the Suzaku XIS2007

    • Author(s)
      Uchiyama, Hideki, Hyodo, Yoshiaki, Yamaguchi, Hiroya, Nakajima, Hiroshi, Mori, Hideyuki, Tsuru, Takeshi Go, Matsumoto, Hironori, Koyama, Katsuji, Torii, Ken'ichi, Katsuda, Satoru, 10coauthors
    • Organizer
      SPIE
    • Place of Presentation
      6686E(22)
    • Year and Date
      20070000
  • [Presentation] Ground bakeout experiment of the optical blocking filter (OBF) for the Suzaku XIS2007

    • Author(s)
      Mori, Hideyuki, Tsuru, Takeshi Go, Matsumoto, Hironori, Uchiyama, Hideki, Ozawa, Midori, Takikawa, Yohjiro, Nobukawa, Masayoshi, Koyama, Katsuji, Torii, Ken'ichi, Tawa, Noriaki, 3 coauthors
    • Organizer
      SPIE
    • Place of Presentation
      6686E(21)
    • Year and Date
      20070000
  • [Presentation] Suzaku Solved a Mystery of the Galactic Center X-rays2007

    • Author(s)
      Koyama, Katsuji
    • Organizer
      as the
    • Place of Presentation
      100(438)
    • Year and Date
      20070000
  • [Presentation] Tracking Contamination on the Suzaku X-Ray Imaging Spectrometer2007

    • Author(s)
      Miller, Eric D., Bautz, M. W., Hayashida, K., Torii, K., Tsunemi, H., Dotani, T., Tsuru, T., Matsumoto, H., Koyama, K., Suzaku Team
    • Organizer
      AAS
    • Place of Presentation
      .210.8610
    • Year and Date
      20070000
  • [Presentation] Orbital Calibration of the XIS2007

    • Author(s)
      Hayashida, K., Torii, K., Namiki, M., Anabuki, N., Katsuda, S., Tawa, N., Miyauchi, T., Hasuike, K., Nagai, M., Tsunemi, H., 26 coauthors
    • Organizer
      PThPS
    • Place of Presentation
      169(316)
    • Year and Date
      20070000
  • [Presentation] A Joint Suzaku and Chandra Spectroscopy Study of Hard X-Ray Emission from the Arches Cluster2007

    • Author(s)
      Tsujimoto, M., Hyodo, Y., Koyama, K.
    • Organizer
      PThPS
    • Place of Presentation
      169(170)
    • Year and Date
      20070000
  • [Presentation] Hard X-Ray Investigation of the Galactic Center Region with Suzaku2007

    • Author(s)
      Kokubun, M., Yuasa, T., Tamura, K., Makishima, K., Takahashi, T., Nakazawa, K., Yamasaki, N. Y., Murakami, H., Maeda, Y., Ebisawa, K., 10 coauthors
    • Organizer
      PThPS
    • Place of Presentation
      169(109)
    • Year and Date
      20070000
  • [Presentation] X-Ray Observations of the Galactic Center with Suzaku2007

    • Author(s)
      Koyama, K.
    • Organizer
      PThPS
    • Place of Presentation
      169(103)
    • Year and Date
      20070000
  • [Presentation] Spectroscopic Study of the Galactic Center X-rays with Suzaku2007

    • Author(s)
      K. Koyama
    • Organizer
      XMM-Newton : The Next Decade Madrid
    • Place of Presentation
      Spain
    • Year and Date
      20070000
  • [Presentation] Spatial Distribution of the Galactic Diffuse X-Rays and the Spectral/Timing Study of the 6.4-keV Clumps2006

    • Author(s)
      K. Koyama
    • Organizer
      The Suzaku X-ray Universe
    • Place of Presentation
      San Diego, USA
    • Year and Date
      20060000
  • [Presentation] The background properties of Suzaku/XIS2006

    • Author(s)
      Yamaguchi, H., Nakajima, H., Koyama, K., Tsuru, T. G., Matsumoto, H., Tawa, N., Tsunemi, H., Hayashida, K., Torii, K., Namiki, M., 5 coauthors
    • Organizer
      SPIE
    • Place of Presentation
      6266E(121)
    • Year and Date
      20060000
  • [Presentation] Energy response of the x-ray imaging spectrometer (XIS) on Suzaku2006

    • Author(s)
      Matsumoto, Hironori, Nakajima, Hiroshi, Yamaguchi, Hiroya, Tsuru, Takeshi G., Koyama, Katsuji, Hayashida, Kiyoshi, Torii, Ken'ichi, Namiki, Masaaki, Tsunemi, Hiroshi, Murakami, Hiroshi, 5 coauthors
    • Organizer
      SPIE
    • Place of Presentation
      6266E(120)
    • Year and Date
      20060000
  • [Presentation] The Ground Calibration of the Back-Side Illuminated CCD camera of X-ray Imaging Spectrometer (XIS) onboard Astro-E2 (Suzaku)2006

    • Author(s)
      Yamaguchi, H., Nakajima, H., Koyama, K., Tsuru, T. G., Matsumoto, H., Tsunemi, H., Hayashida, K., Torii, K., Namiki, M., Katsuda, S., 2 coauthors
    • Organizer
      ESASP
    • Place of Presentation
      604(949)
    • Year and Date
      20060000
  • [Presentation] X-ray perspective on young stellar populations in objects with nuclear activity - the case of our Galactic Centernear the Galactic Center with Chandra2006

    • Author(s)
      Koyama, Katsuji, Senda, Atsushi, Takagi, Shin-Ichiro
    • Organizer
      IAUS
    • Place of Presentation
      230(379)
    • Year and Date
      20060000
  • [Presentation] Suzaku observation of Radio Arc region2006

    • Author(s)
      Senda, A., Koyama, K., Murakami, H., Suzaku GC-Team
    • Organizer
      cosp
    • Place of Presentation
      .36.2811
    • Year and Date
      20060000
  • [Presentation] New X-ray views observed with Suzaku2006

    • Author(s)
      Koyama, K.
    • Organizer
      Galactic Center Workshop (2006) "From the Center of the Milky Way to Nearby Low-Luminosity Galactic Nuclei"
    • Year and Date
      20060000
  • [Presentation] The Galactic Center Observed with Suzaku2006

    • Author(s)
      K. Koyama
    • Organizer
      International Symposium on "The Extreme Universe in the Suzaku Era"
    • Year and Date
      20060000
  • [Book] 高エネルギー天文学(初版)2008

    • Author(s)
      高橋忠幸他
    • Publisher
      日本評論社
  • [Book] ブラックホールと高エネルギー現象(初版)2007

    • Author(s)
      嶺重慎
    • Publisher
      日本評論社
  • [Book] 天の川の真実(初版)2006

    • Author(s)
      奥田治之, 祖父江義明
    • Publisher
      誠文堂新光社 初版
  • [Book] 量子の世界2006

    • Author(s)
      川合光
    • Publisher
      京都大学学術出版会
  • [Remarks] 報道関係

    • URL

      http://www-cr.scphys.kyoto-u.ac.jp/member/koyama/press.html

  • [Remarks] 講演、和文解説書など

    • URL

      http://www-cr.scphys.kyoto-u.ac.jp/member/koyama/koen.html

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Published: 2010-06-10   Modified: 2016-04-21  

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