WEKO3
アイテム
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X-ray monitoring of the Wolf-Rayet binary WR140 with Suzaku
https://jaxa.repo.nii.ac.jp/records/5003
https://jaxa.repo.nii.ac.jp/records/5003b3c933fd-c4a1-45ab-a9e6-8899d9959079
名前 / ファイル | ライセンス | アクション |
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64574071.pdf (374.3 kB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | X-ray monitoring of the Wolf-Rayet binary WR140 with Suzaku | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | stars: Wolf-Rayet - binaries: spectroscopic - stars: WR140 | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
著者 |
菅原, 泰晴
× 菅原, 泰晴× 前田, 良知× 坪井, 陽子× Sugawara, Yasuharu× Maeda, Yoshitomo× Tsuboi, Yohko× Hamaguchi, Kenji× Corcoran, Michael× Pollock, Andy× Moffat, Anthony× Williams, Peredur× Dougherty, Sean× Pittard, Julian |
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著者所属 | ||||||
中央大学理工学部物理学科 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構宇宙科学研究本部 | ||||||
著者所属 | ||||||
中央大学理工学部物理学科 | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Physics, Faculty of Science & Engineering, Chuo University | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (ISAS)(JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Physics, Faculty of Science & Engineering, Chuo University | ||||||
著者所属(英) | ||||||
en | ||||||
CRESST and X-ray Astrophysics Laboratory NASA/GSFC | ||||||
著者所属(英) | ||||||
en | ||||||
CRESST and X-ray Astrophysics Laboratory NASA/GSFC | ||||||
著者所属(英) | ||||||
en | ||||||
European Space Agency, XMM-Newton Science Operations Centre, European Space Astronomy Centre | ||||||
著者所属(英) | ||||||
en | ||||||
Departement de Physique, Universite de Montreal | ||||||
著者所属(英) | ||||||
en | ||||||
Institute for Astronomy, Royal Observatory | ||||||
著者所属(英) | ||||||
en | ||||||
National Research Council of Canada | ||||||
著者所属(英) | ||||||
en | ||||||
School of Physics and Astronomy, The University of Leeds | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構 | |||||
出版者(英) | ||||||
出版者 | Japan Aerospace Exploration Agency (JAXA) | |||||
書誌情報 |
宇宙航空研究開発機構特別資料: en : JAXA Special Publication: The Energetic Cosmos; from Suzaku to ASTRO-H 巻 JAXA-SP-09-008E, p. 198-199, 発行日 2010-02-26 |
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会議概要(会議名, 開催地, 会期, 主催者等)(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The 3rd Suzaku international Conference "Energetic Cosmos : from Suzaku to ASTRO-H" (June 29-July 2, 2009. Grand Park Otaru Hotel), Otaru, Hokkaido Japan | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | We report on preliminary results of the Suzaku observations of the W-R binary WR 140 (WC7+O5I), with the aim of understanding the W-R stellar wind as well as the wind-wind collision shocks. Our observations with exposures of 210 ksec in total were made at four different epochs around periastron passage in Jan. 2009. We detected hard X-ray excess in the HXD band. This is the first time that the hard X-ray excess above 10 keV was detected from a W-R binary. Moreover, we found a part of the soft component is not absorbed even by the dense wind. The spectra can be fitted by three different components, with a stationary soft component at kT approximately 0.1 keV, a high temperature component at kT approximately 3 keV and a harder power-low component. The column density at periastron is a factor of 30 higher than that at pre-periastron, which can be explained as self-absorption of the W-R wind. It is found that the emission measure of high temperature component is not proportional to the inverse of the separation of the two stars. | |||||
内容記述(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Meeting sponsors: The University of Tokyo, The Institute of Physical and Chemical Research, The Japan Society for the Promotion of Science | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1349-113X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11984031 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0064574071 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: JAXA-SP-09-008E |