A Study of particle acceleration mechanism in pulsar wind nebulae using hard X-ray imaging spectroscopy and multi-wavelengths observations

• Project/Area Number: 18740108
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Astronomy
• Research Institution: University of Miyazaki
• Principal Investigator: MORI Koji University of Miyazaki, 工学部・材料物理工学科, 准教授 (00404393)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,340,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥240,000); Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000); Fiscal Year 2007: ¥800,000 (Direct Cost: ¥800,000); Fiscal Year 2006: ¥1,500,000 (Direct Cost: ¥1,500,000)
• Keywords: X線天文学 / パルサー星雲 / 超新星残骸 / パルサー

Research Abstract

パルサー星雲は宇宙の巨大加速器として知られていますが、その加速メカニズムはよくわかっていません。本研究では、その代表天体であるカニパルサー星雲とベラパルサー星雲について硬X線観測をおこない、以下のような成果を得ました。まず前者に関しては、見た目が時間と共に変化する様子を詳細に示しました。また、後者に関しては、その見た目の形を初めて明らかにしました。以上の観測結果を他波長の観測結果と照らし合わせるなどして、パルサー星雲の加速メカニズムに関して新たな示唆を得ました。

Research Products

• [Journal Article] Another Abundance Inhomogeneity in the South East Limb of the Cygnus Loop (2009)
  • Author(s): Tsunemi, H., Kimura, M., Uchida, H., Mori, K., and Katsuda, S.
  • Journal Title: Publications of the Astronomical Society of Japan 61 Pages: 147-153
  • NAID: 10025602585
• [Journal Article] Energy-Scale Calibration of the Suzaku X-Ray Imaging Spectrometer Using the Checker Flag Charge Injection Technique in Orbit (2009)
  • Author(s): Ozawa, M., et.al.
  • Journal Title: Publications of the Astronomical Society of Japan 61
  • Peer Reviewed
• [Journal Article] New CTI Correction Method for Spaced-Row Charge Injection of the Suzaku X-Ray Imaging Spectrometer (2009)
  • Author(s): Uchiyama, H., et.al.
  • Journal Title: Publications of the Astronomical Society of Japan 61
  • Peer Reviewed
• [Journal Article] Another Abundance Inhomogeneity in the South East Limb of the Cygnus Loop (2009)
  • Author(s): Tsunemi, H., et.al.
  • Journal Title: Publications of the Astronomical Society of Japan 61
  • Peer Reviewed
• [Journal Article] Suzaku Observations of Thermal and Non-Thermal X-Ray Emission from the Middle-Aged Supernova Remnant G156.2+5.7 (2009)
  • Author(s): Katsuda, S., et.al.
  • Journal Title: Publications of the Astronomical Society of Japan 61
  • Peer Reviewed
• [Journal Article] The First X-Ray Proper-Motion Measurements of the Forward Shock in the Northeastern Limb of SN 1006 (2009)
  • Author(s): Katsuda, S., et.al.
  • Journal Title: The Astrophysical Journal letters 692
  • Peer Reviewed
• [Journal Article] Is Vela Jr. a young supernova remnant? (2009)
  • Author(s): Katsuda, S., et.al.
  • Journal Title: Advances in Space Research 43 Pages: 895-899
  • Peer Reviewed
• [Journal Article] Study of Nonthermal Emission from SNR RX J1713.7-3946 with Suzaku (2008)
  • Author(s): Tanaka, T., Uchiyama, Y., Aharonian, F.A, and 11 co-authors (Mori, K. at 10th)
  • Journal Title: The Astrophysical Journal 685 Pages: 988-1004
• [Journal Article] Chandra Observations of the Northeastern Rim of the Cygnus Loop (2008)
  • Author(s): Katsuda, S., Tsunemi, H., Kimura, M., and Mori, K.
  • Journal Title: The Astrophysical Journal 680 Pages: 1198-1205
• [Journal Article] The Slow X-Ray Expansion of the Northwestern Rim of the Supernova Remnant RX J0852.0-4622 (2008)
  • Author(s): Katsuda, S., Tsunemi, H., and Mori, K.
  • Journal Title: The Astrophysical Journal 678 Pages: 35-38
• [Journal Article] Discovery of Fast-Moving X-Ray-Emitting Ejecta Knots in the Oxygen-Rich Supernova Remnant Puppis A (2008)
  • Author(s): Katsuda, S., Mori, K., Tsunemi, H., Park, S., Hwang, U., Burrows, D.N., Hughes, J.P., and Slane, P.O.
  • Journal Title: The Astrophysical Journal 678 Pages: 297-302
• [Journal Article] X-ray Spectroscopy of SN 1006 with Suzaku (2008)
  • Author(s): Yamaguchi, H., Koyama, K., Katsuda, S. and 7 co-authors (Mori, K. at 8th)
  • Journal Title: Publication of the Astronomical Society of Japan 60 Pages: 141-152
  • NAID: 10023956024
• [Journal Article] Discovery of Fast-Moving X-Ray-Emitting Ejecta Knots in the Oxygen-Rich Supernova Remnant Puppis A (2008)
  • Author(s): Katsuda, S., et.al.
  • Journal Title: The Astrophysical Journal 678 Pages: 297-302
  • Peer Reviewed
• [Journal Article] The Slow X-Ray Expansion of the Northwestern Rim of the Supernova Remnant RX J0852.0-4622 (2008)
  • Author(s): Katsuda, S., et.al.
  • Journal Title: The Astrophysical Journal letters 678
  • Peer Reviewed
• [Journal Article] Chandra Observations of the Northeastern Rim of the Cygnus Loop (2008)
  • Author(s): Katsuda, S., et.al.
  • Journal Title: The Astrophysical Journal 680 Pages: 1198-1205
  • Peer Reviewed
• [Journal Article] Study of Nonthermal Emission from SNR RX J1713.7-3946 with Suzaku (2008)
  • Author(s): Tanaka, T., et.al.
  • Journal Title: The Astrophysical Journal 685 Pages: 988-1004
  • Peer Reviewed
• [Journal Article] Discovery of Extended X-Ray Emission from an Unidentified TeV Source, HESS J1614-518, Using the Suzaku Satellite (2008)
  • Author(s): Matsumoto, H., et. al.
  • Journal Title: Publications of the Astronomical Society of Japan 60 Pages: 163-172
  • Peer Reviewed
• [Journal Article] Suzaku Wide-Band Observations of SN1006 (2008)
  • Author(s): Bamba, A., et. al.
  • Journal Title: Publications of the Astronomical Society of Japan 60 Pages: 153-162
  • Peer Reviewed
• [Journal Article] X-Ray Spectroscopy of SN 1006 with Suzaku (2008)
  • Author(s): Yamaguchi, H., et. al.
  • Journal Title: Publications of the Astronomical Society of Japan 60 Pages: 141-152
  • Peer Reviewed
• [Journal Article] Measuring the Broad-Band X-Ray Spectrum from 400eV to 40keV in the Southwest Part of the Supernova Remnant RXJ1713.7-3946 (2008)
  • Author(s): Takahashi, T., et. al.
  • Journal Title: Publications of the Astronomical Society of Japan 60 Pages: 131-140
  • Peer Reviewed
• [Journal Article] Abundance Inhomogeneity in the Northeastern Rim of the Cygnus Loop Revealed by the Suzaku Observatory (2008)
  • Author(s): Katsuda, S., et. al.
  • Journal Title: Publications of the Astronomical Society of Japan 60 Pages: 115-122
  • Peer Reviewed
• [Journal Article] Asymmetric Ejecta Distribution of the Cygnus Loop Revealed with Suzaku (2008)
  • Author(s): Katsuda, S., et. al.
  • Journal Title: Publications of the Astronomical Society of Japan 60 Pages: 107-114
  • Peer Reviewed
• [Journal Article] Oxygen line mapping of SN 1006 with Suzaku (2008)
  • Author(s): Bamba, A., et. al.
  • Journal Title: Advances in Space Eesearch 41 Pages: 411-515
  • Peer Reviewed
• [Journal Article] Chandra X-Ray Study of Galactic Supernova Remnant G299.2-2.9 (2007)
  • Author(s): Park, S., Slane, P.O., Hughes, J.P., Mori, K., Burrows, D.N., and Gordon, G.P.
  • Journal Title: The Astrophysical Journal 665 Pages: 1173-1181
• [Journal Article] The X-ray Observatory Suzaku (2007)
  • Author(s): Mitsuda, K., and 142 co-authors (Mori, K. at 80th)
  • Journal Title: Publications of the Astronomical Society of Japan 59 Pages: 1-8
  • NAID: 10023948350
• [Journal Article] Chandra X-Ray Study of Galactic Supernova Remnant G299.2-2.9 (2007)
  • Author(s): Park, S., et. al.
  • Journal Title: The Astrophysical Journal 665 Pages: 1173-1181
  • Peer Reviewed
• [Journal Article] Orbital Calibration of the XIS (2007)
  • Author(s): Hayashida, K., et. al.
  • Journal Title: Progress of Theoretical Physics Supplement, 169 Pages: 316-321
  • Peer Reviewed
• [Journal Article] Suzaku Observation of TeV SNR RX J1713.7-3946 (2007)
  • Author(s): Takahashi, T., et. al.
  • Journal Title: Progress of Theoretical Physics Supplement 169 Pages: 157-161
  • Peer Reviewed
• [Journal Article] Millenium Study of SN 1006 with Suzaku (2007)
  • Author(s): Bamba, A., et. al.
  • Journal Title: Progress of Theoretical Physics Supplement 169 Pages: 142-145
  • Peer Reviewed
• [Journal Article] The X-ray Observatory Suzaku (2007)
  • Author(s): Mitsuda, K. et al.
  • Journal Title: Publications of the Astronomical Society of Japan 59・SP1 Pages: 1-8
• [Journal Article] Discovery of a Candidate Central Compact Object in the Galactic Nonthermal SNR G330.2+1.0 (2006)
  • Author(s): Park, S., Mori, K., Kargaltsev, O., Slane, P.O., Hughes, J.P., Burrows, D.N., Gordon, G.P., and Pavlov, G.G.,
  • Journal Title: The Astrophysical Journal 653 Pages: 37-40
• [Journal Article] A detailed observation of a LMC supernova remnant DEM L241 with XMM-Newton (2006)
  • Author(s): Bamba, A., Ueno, M., Nakajima, H., Mori, K., and Koyama, K.
  • Journal Title: Astronomy & Astrophysics 450 Pages: 585-591
• [Journal Article] A detailed observation of a LMC supernova remnant DEM L241 With XMM-Newton (2006)
  • Author(s): Bamba, A. et al.
  • Journal Title: Astronomy and Astrophysics 450・2 Pages: 585-591
• [Journal Article] Discovery of a Candidate Central Compact Object in the Galactic Nonthermal SNR G330.2+1.0 (2006)
  • Author(s): Park, S. et al.
  • Journal Title: The Astrophysical Journal 653・1
• [Presentation] X線によるパルサー星雲の観測的研究 (2009)
  • Author(s): 森浩二
  • Organizer: 日本物理学会第64回年次大会
  • Place of Presentation: 立教大学
• [Presentation] Nonthermal X-Rays from Supernova Remnant G330.2+1.0 and the Characteristics of its Central Compact Object (2009)
  • Author(s): Park, S., et.al.
  • Organizer: American Astronomical Society, AAS Meeting #213
  • Place of Presentation: アメリカ、ロングビーチ
• [Presentation] 「すざく」による大マゼラン星雲内超新星残骸N103Bの観測 (2009)
  • Author(s): 山口弘悦, et.al.
  • Organizer: 日本天文学会2009年春季年会
  • Place of Presentation: 大阪府立大学
• [Presentation] 「すざく」搭載X線CCDカメラ(XIS)の時刻付けの較正その2 (2009)
  • Author(s): 松田桂子, et.al.
  • Organizer: 日本天文学会2009年春季年会
  • Place of Presentation: 大阪府立大学
• [Presentation] すざく衛星による超新星残骸Vela Jr.北部のマッピング解析 (2008)
  • Author(s): 北園武、森浩二、内山泰伸、高橋忠幸、田中孝明、平賀純子
  • Organizer: 日本天文学会2008年秋季年会
• [Presentation] Suzaku mapping observation of the Vela X (2008)
  • Author(s): Mori, K., Yamamoto, M., Kargaltsev, O., Pavlov, G.G., Takata, J., Shibata, S., and Tsunemi, H.
  • Organizer: 37th COSPAR Scientific Assembly
  • Place of Presentation: Montreal, Canada
• [Presentation] すざくで見るVela X (2008)
  • Author(s): 森浩二
  • Organizer: 高エネルギーガンマ線天体研究会
  • Place of Presentation: 東京大学宇宙線研究所
• [Presentation] Suzaku mapping observation of the Vela X (2008)
  • Author(s): Mori, K., et.al.
  • Organizer: 37th COSPAR Scientific Assembly
  • Place of Presentation: カナダ、モントリオール
• [Presentation] すざく衛星による超新星残骸Vela Jr北部のマッピング解析 (2008)
  • Author(s): 北園武, et.al.
  • Organizer: 日本天文学会2008年秋季年会
  • Place of Presentation: 岡山大学
• [Presentation] X線衛星「すざく」搭載CCDカメラXISの軌上でのチェッカーフラグ電荷注入実験の成果 (2008)
  • Author(s): 小澤碧, et.al.
  • Organizer: 日本天文学会2008年秋季年会
  • Place of Presentation: 岡山大学
• [Presentation] すざく衛星搭載X線CCDカメラXISの2x2モードとWindowモードの較正 (2008)
  • Author(s): 加藤豪, et.al.
  • Organizer: 日本天文学会2008年秋季年会
  • Place of Presentation: 岡山大学
• [Presentation] 「すざく」搭載X線CCDカメラ(XIS)の時刻付けの較正 (2008)
  • Author(s): 松田桂子, et.al.
  • Organizer: 日本天文学会2008年秋季年会
  • Place of Presentation: 岡山大学
• [Presentation] X線天文衛星「すざく」搭載X線CCD(XIS)の現状報告 (2008)
  • Author(s): 松本浩典, et.al.
  • Organizer: 日本物理学会2008年秋季大会
  • Place of Presentation: 山形大学
• [Presentation] 「すざく」搭載X線CCDカメラXISのSpaced-row Charge Ingectionの較正の状況 (2008)
  • Author(s): 内山 秀樹, et. al.
  • Organizer: 日本天文学会2008年春季年会
  • Place of Presentation: 国立オリンピック記念青少年総合センター
• [Presentation] The Suzaku view of the Vela X central region (2007)
  • Author(s): Mori, K., Yamamoto, M., Kargaltsev, O., Pavlov, G.G., Takata, J., Shibata, S., and Tsunemi, H.
  • Organizer: The Suzaku X-ray Universe
  • Place of Presentation: Sandi ego, USA
• [Presentation] An Observational Approach to Supernova explosion mechanism with X-ray Studies of the remnants (2007)
  • Author(s): 森浩二、勝田哲、常深博
  • Organizer: 超新星を舞台とする高エネルギー現象
  • Place of Presentation: 東京大学
• [Presentation] The ejecta structure of the Oxygen-rich SNR Puppis A revealed by XMM-Newton (2007)
  • Author(s): Katsuda, S., et. al.
  • Organizer: XMM-Newton: The Next Decade
  • Place of Presentation: スペイン、マドリード
• [Presentation] すざく衛星搭載X線CCDカメラXISの2×2モードとWindowモードの較正 (2007)
  • Author(s): 加藤 豪, et. al.
  • Organizer: 日本天文学会2007年秋季年会
  • Place of Presentation: 岐阜大学
• [Presentation] XMM-Newton衛星によるPuppis A超新星残骸の観測II (2007)
  • Author(s): 勝田 哲, et. al.
  • Organizer: 日本天文学会2007年秋季年会
  • Place of Presentation: 岐阜大学
• [Presentation] 白鳥座ループ北東端の衝撃波の構造 (2007)
  • Author(s): 勝田 哲, et. al.
  • Organizer: 日本天文学会2007年秋季年会
  • Place of Presentation: 岐阜大学
• [Presentation] すざく衛星搭載X線CCDカメラXISの現状報告 打ち上げ後2年を経過して (2007)
  • Author(s): 林田 清, et. al.
  • Organizer: 日本天文学会2007年秋季年会
  • Place of Presentation: 岐阜大学
• [Presentation] すざく衛星によるVela xの観測 (2007)
  • Author(s): 森 浩二, et. al.
  • Organizer: 第8回高宇連研究会「超新星とその残骸」
  • Place of Presentation: 青山学院大学
• [Presentation] The Suzaku view of the Vela X central region (2007)
  • Author(s): Mori, K., et. al.
  • Organizer: The Suzaku X-ray Universe
  • Place of Presentation: アメリカ、サンディエゴ
• [Presentation] Suzaku observations of O-rich Supernova Remnant 0103-72.6 in the Sma11 Magellanic Cloud (2007)
  • Author(s): Park, S., et. al.
  • Organizer: The Suzaku X-ray Universe
  • Place of Presentation: アメリカ、サンディエゴ
• [Presentation] A hard X-ray view of Vela X with Suzaku (2006)
  • Author(s): Mori, K., Kargaltsev, O., Pavlov, G.G.Yamamoto, M., Shibata, S., Takata, J., and Tsunemi, H.
  • Organizer: The extreme universe in the Suzaku era
• [Presentation] An X-ray Study of fine structures of the Crab Nebula (2006)
  • Author(s): Yamamoto, M., Mori, K., Burrows, D.N., Pavlov, G.G., Hester, J.J., Shibata, S., and Tsunemi, H.
  • Organizer: The extreme universe in the Suzaku era
• [Presentation] X-ray monitoring observations of the Crab Nebula (2006)
  • Author(s): Mori, K., Yamamoto, M., Kaminishizono, I., Shibata, S., Burrows, D.N., Pavlov, G.G., Hester J.J., and Tsunemi, H.
  • Organizer: 36th COSPAR Scientific Assembly
• [Presentation] Near-infrared observations of the variable Crab Nebula
  • Author(s): Yamamoto, M., Mori, K., Shibata, S., Tsujimoto, M., Misawa, T., Burrows, D.N., and Kawai, N.