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Broad-Band X-Ray Observations of the Galactic Diffuse X-Ray Emission

Research Project

Project/Area Number 18540228
Research Category

Grant-in-Aid for Scientific Research (C)

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

Principal Investigator

YAMAUCHI Shigeo  Iwate University, 人文社会科学部, 准教授 (60260410)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥1,800,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥300,000)
Fiscal Year 2008: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2007: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2006: ¥500,000 (Direct Cost: ¥500,000)
KeywordsX線 / X線スペクトル / 銀河面X線放射
Research Abstract

X線天文衛星により取得した観測データの解析により、銀河面X線放射に電離の進んでいない鉄からの輝線を発見し、数千万度の温度の希薄な高温プラズマガスからの放射に加えて非熱的放射が存在することを明らかにした。鉄輝線を中心に、X線スペクトルの特徴より起源について考察を行った。また、銀河中心、銀河円盤領域の観測中に見つかったトランジェント天体、銀河面X線放射との関連が深いと考えられる超新星残骸の解析も行い、これらの特徴、性質を明らかにした。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (38 results)

All 2009 2008 2007 2006

All Journal Article (30 results) (of which Peer Reviewed: 25 results) Presentation (8 results)

  • [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

      Publications of the Astronomical Society of Japan 61

    • NAID

      10025602905

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Iron Emissio Lines on the Galactic Ridge Observed with Suzaku2009

    • Author(s)
      Yamauchi, S., Ebisawa, K., Tanaka, Y., Koyama, K., Matsumoto, H., Yamasaki, N. Y., Takahashi, H., Ezoe, Y.
    • Journal Title

      Publications of the Astronomical Society of Japan 61

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] X-Ray Reflection Nebula 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

      Publications of the Astronomical Society of Japan 61

    • NAID

      10025602984

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Doppler-Broadened Iron X-Ray Lines from Tycho's Supernova Remnant2009

    • Author(s)
      Furuzawa, A., Ueno, D., Hayato, A., Ozawa, M., Tamagawa, T., Bamba, A., Hughes, J.P., Kunieda, H., Makishima, K., Holt, S.S., Hwang, U., Kinugasa, K., Petre, R., Tamura, K., Tsunemi, H., Yamauchi, S.
    • Journal Title

      Astrophysical Journal 693

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] A New Supernova Remnant Candidate and an Associated Outflow in the Sagittarius C Region2009

    • Author(s)
      Tsuru, T. G., et.al.
    • Journal Title

      Publications of the Astronomical Society of Japan 61

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Iron Emission Lines on the Galactic,Ridge Observed with Suzaku2009

    • Author(s)
      Yamauchi, S., et.al.
    • Journal Title

      Publications of the Astronomical Society of Japan 61

    • NAID

      10025602933

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] X-Ray Reflection Nebulae with Large Equivalent Widths of the Neutral Iron Ka Line in the Sagittarius C Region2009

    • Author(s)
      Nakajiml, H., et.al.
    • Journal Title

      Publications of the Astronomical Society of Japan 61

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Doppler-Broadened Iron X-Ray Lines from Tycho' s Supernova Remnant2009

    • Author(s)
      Furuzawa, A., et.al.
    • Journal Title

      Astrophysical Journal 693

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Suzaku Detection of an Intense X-Ray Flare from an A-Type Star, HD1610842008

    • Author(s)
      Miura, J., Tsujimoto, M., Tsuboi, Y., Maeda, Y., Sugawara, Y., Koyama, K., Yamauchi, S.
    • Journal Title

      Publications of the Astronomical Society of Japan 60

    • NAID

      10023955601

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Suzaku Spectroscopy of an X-Ray Reflection Nebula and a New Supernova Remnant Candidate in the Sgr B1 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

      Publications of the Astronomical Society of Japan 60

    • NAID

      10023956275

    • Related Report
      2008 Final Research Report
    • 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., Hyodo, Y., Tsuru, T. G., Koyama, K., Yamauchi, S., Takahashi, H.
    • Journal Title

      Publications of the Astronomical Society of Japan 60

    • NAID

      10023956331

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Spectral Study of the Galactic Ridge X-Ray Emission with Suzaku2008

    • Author(s)
      Ebisawa, K., Yamauchi, S., Tanaka, Y., Koyama, K., Ezoe, Y., Bamba, A., Kokubun, M., Hyodo, Y., Tsujimoto, M., Takahashi, H.
    • Journal Title

      Publications of the Astronomical Society of Japan 60

    • NAID

      10023956382

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] X-Ray Emission from Supernova Remnants Observed in the ASCA Galactic Plane Survey2008

    • Author(s)
      Yamauchi, S., Ueno, M., Koyama, K., Bamba, A.
    • Journal Title

      Publications of the Astronomical Society of Japan 60

      Pages: 1143-1150

    • NAID

      10023955166

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] X-Ray Emission from Supernova Remnants Observed in the ASCA Galactic Plane Survey2008

    • Author(s)
      Yamauchi, S., et.al.
    • Journal Title

      Publications of the Astronomical Society of Japan 60

      Pages: 1143-1150

    • NAID

      10023955166

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Suzaku Detection of an Intense X-Ray Flare from an A-Type Star, HD1610842008

    • Author(s)
      Miura, J., et. al.
    • Journal Title

      Publications of the Astronomical Society of Japan 60

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Suzaku Spectroscopy of an X-Ray Reflection Nebula and a New Supernova Remnant Candidate in the Sgr B1 region2008

    • Author(s)
      Nobukawa, M., et. al.
    • Journal Title

      Publications of the Astronomical Society of Japan 60

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Suzaku Detection of Extended/Diffuse Hard X-Ray Emission from the Galactic Center2008

    • Author(s)
      Yuasa, T., et. al.
    • Journal Title

      Publications of the Astronomical Society of Japan 60

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spectral Study of the Galactic Ridge X-Ray Emission with Suzaku2008

    • Author(s)
      Ebisawa, K., et. al.
    • Journal Title

      Publications of the Astronomical Society of Japan 60

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Suzaku Observations of HESS J1616-508 : Evidence for a Dark Particle Accelerator2007

    • Author(s)
      Matsumoto, H., Ueno, M., Bamba, A., Hyodo, Y., Mori, H., Uchiyama, H., Tsuru, T. G., Koyama, K., Kataoka, J., Katagiri, H., Takahashi, T., Hiraga, J., Yamauchi, S., Hughes, J. P., Senda, A., Kokubun, M., Kohmura, T. Poter, F. S.
    • Journal Title

      Publications of the Astronomical Society of Japan 59

    • NAID

      10023948831

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Discovery of a Possible X-Ray Counterpart to HESS J1804-2162007

    • Author(s)
      Bamba, A., Koyama, K., Hiraga, J. S., Hughes, J. P., Kohmura, T., Kokubun, M., Maeda, Y., Matsumoto, H., Senda, A., Takahashi, T., Tsuboi, Y., Yamauchi, S., Yuasa, T.
    • Journal Title

      Publications of the Astronomical Society of Japan 59

    • NAID

      10023948887

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Discovery of a New X-Ray Transient Source in the Scutum Region with Suzaku2007

    • Author(s)
      Yamauchi, S., Ebisawa, K., Bamba, A., Ishida, M., Iwasawa, K., Tanaka, Y., Kokubun, M., Koyama, K., Takahashi, H., Tsuboi, Y.
    • Journal Title

      Publications of the Astronomical Society of Japan 59

    • NAID

      10023948944

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Discoveries of Diffuse Iron Line Sources from the Sgr B Region2007

    • Author(s)
      Koyama, K., Inui, T., Hyodo, Y., Matsumoto,H., Tsuru, T. G., Maeda, Y., Murakami, H., Yamauchi, S., Kissel, S. E., Chan, K. W., Soong, Y.
    • Journal Title

      Publications of the Astronomical Society of Japan 59

    • NAID

      10023948977

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Iron and Nickel Line Diagnostics for the Galactic Center Diffuse Emission2007

    • Author(s)
      Koyama, K., Hyodo, Y., Inui, T., Nakajima, H., Matsumoto, H., Tsuru, T. G., Takahashi, T., Maeda, Y., Yamasaki, N. Y., Murakami, H., Yamauchi, S., Tsuboi, Y., Senda, A., Kataoka, J., Takahasi, H., Holt, S. S.,Brown, G. V.
    • Journal Title

      Publications of the Astronomical Society of Japan 59

    • NAID

      10023949080

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] A Bright Transient X-Ray Source Near the Galactic Center Found in Archival Ginga Data from 19872007

    • Author(s)
      Yamauchi, S., Nakagawa, Y., Sudoh, K., Kitamoto, S.
    • Journal Title

      Publications of the Astronomical Society of Japan 59

      Pages: 1141-1151

    • NAID

      10023948050

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] A Bright Transient X-Ray Source Near the Galactic Center Found in Archival Ginga Data from 19872007

    • Author(s)
      Yamauchi, S., et. al.
    • Journal Title

      Publications of the Astronomical Society of Japan 59

      Pages: 1141-1151

    • NAID

      10023948050

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Suzaku Observations of HESS J1616-508 : Evidence for a Dark Particle Accelerator2007

    • Author(s)
      Matsumoto, H., et al.
    • Journal Title

      Publications of the Astronomical Society of Japan 59

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Discovery of a Possible X-Ray Counterpart to HESS J1804-2162007

    • Author(s)
      Bamba, A., et al.
    • Journal Title

      Publications of the Astronomical Society of Japan 59

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Discovery of a New X-Ray Transient Source in the Scutum Region, with Suzaku2007

    • Author(s)
      Yamauchi, S., et al.
    • Journal Title

      Publications of the Astronomical Society of Japan 59

    • NAID

      10023948944

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Discoveries of Diffuse Iron Line Sources from the Sgr B Region2007

    • Author(s)
      Koyama, K., et al.
    • Journal Title

      Publications of the Astronomical Society of Japan 59

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Iron and Nickel Line Diagnostics for the Galactic Center Diffuse Emission2007

    • Author(s)
      Koyama, K., et al.
    • Journal Title

      Publications of the Astronomical Society of Japan 59

    • Related Report
      2006 Annual Research Report
  • [Presentation] すざく衛星による超新星残骸G344.7-0.1の観測(II)2008

    • Author(s)
      山内茂雄
    • Organizer
      日本天文学会秋季年会
    • Place of Presentation
      岡山市・岡山理科大学
    • Related Report
      2008 Final Research Report
  • [Presentation] すざく衛星による超新星残骸G344.7-0.1の観測2008

    • Author(s)
      山内茂雄、植野優
    • Organizer
      日本天文学会春季年会
    • Place of Presentation
      東京都渋谷区・国立オリンピック記念青少年総合センター
    • Related Report
      2008 Final Research Report
  • [Presentation] すざく衛星による超新星残骸G344.7-0.1の観測(II)2008

    • Author(s)
      山内茂雄
    • Organizer
      日本天文学会秋季年会
    • Place of Presentation
      岡山市、岡山理科大学
    • Related Report
      2008 Annual Research Report
  • [Presentation] すざく衛星による超新星残骸G344.7-0.1の観測2008

    • Author(s)
      山内茂雄、植野優
    • Organizer
      日本天文学会春季年会
    • Place of Presentation
      東京都渋谷区、国立オリンピック記念青少年総合センター
    • Related Report
      2007 Annual Research Report
  • [Presentation] すざくチーム、すざく衛星による銀河面X線放射の観測2007

    • Author(s)
      山内茂雄、海老沢研、田中靖郎、小山勝二
    • Organizer
      日本天文学会春季年会
    • Place of Presentation
      平塚市・東海大学
    • Related Report
      2008 Final Research Report
  • [Presentation] 「ぎんが」衛星データアーカイブスによる銀河中心方向に位置するトランジェント天体の発見2007

    • Author(s)
      山内茂雄、中川善雄、須藤敬輔、北本俊二
    • Organizer
      日本天文学会秋季年会
    • Place of Presentation
      岐阜市・岐阜大学
    • Related Report
      2008 Final Research Report
  • [Presentation] 「ぎんが」衛星データアーカイブスによる銀河中心方向に位置するトランジェント天体の発見2007

    • Author(s)
      山内茂雄、中川善雄、須藤敬輔、北本俊二
    • Organizer
      日本天文学会秋季年会
    • Place of Presentation
      岐阜市、岐阜大学
    • Related Report
      2007 Annual Research Report
  • [Presentation] すざくチーム、すざく衛星による銀河面領域観測時に発見されたトランジェント天体2006

    • Author(s)
      山内茂雄、海老沢研、馬場彩、岩澤一司、田中靖郎、石田学、国分紀秀、小山勝二、高橋弘充、坪井陽子
    • Organizer
      日本天文学会秋季年会
    • Place of Presentation
      北九州市・九州国際大学
    • Related Report
      2008 Final Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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