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Metal enrichment histories from galaxies to clusters
https://jaxa.repo.nii.ac.jp/records/5066
https://jaxa.repo.nii.ac.jp/records/5066ecfb7130-416f-4555-82ab-25743935cf76
名前 / ファイル | ライセンス | アクション |
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64574134.pdf (287.6 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 | Metal enrichment histories from galaxies to clusters | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | X-rays: intracluster medium - clusters of galaxies: intracluster medium - galaxies: chemical evolution | |||||
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 |
松下, 恭子
× 松下, 恭子× 深沢, 泰司× 林, 克洋× 小波, さおり× 薙野, 綾× 大橋, 隆哉× 佐藤, 浩介× 田原, 譲× Matsushita, Kyoko× Fukazawa, Yasushi× Hayashi, Katsuhiro× Konami, Saori× Nagino, Ryo× Ohashi, Takaya× Sato, Kosuke× Tawara, Yuzuru |
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著者所属 | ||||||
東京理科大学大学院理学系研究科物理学専攻 | ||||||
著者所属 | ||||||
広島大学大学院理学研究科物理科学専攻 | ||||||
著者所属 | ||||||
広島大学大学院理学研究科物理科学専攻 | ||||||
著者所属 | ||||||
東京理科大学大学院理学系研究科物理学専攻 | ||||||
著者所属 | ||||||
東京理科大学大学院理学系研究科物理学専攻 | ||||||
著者所属 | ||||||
首都大学東京理工学研究科物理学専攻 | ||||||
著者所属 | ||||||
金沢大学大学院自然科学研究科物質工学専攻 | ||||||
著者所属 | ||||||
首都大学東京理工学研究科物理学専攻 | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Physics, Tokyo University of Science | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Physical Science, Hiroshima University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Physical Science, Hiroshima University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Physics, Tokyo University of Science | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Physics, Tokyo University of Science | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Physics, Tokyo Metropolitan University | ||||||
著者所属(英) | ||||||
en | ||||||
Graduate School of Natural Science and Technology, Kanazawa University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Physics, Tokyo Metropolitan University | ||||||
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. 344-347, 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 | With Suzaku, we derived O, Mg, S, Si and Fe abundances of hot intracluster medium (ICM) in clusters of galaxies, and groups of galaxies, and hot interstellar medium (ISM) in elliptical, S0, and spiral galaxies. Especially for regions of low surface brightness, the XIS provides better sensitivity to faint lines of O and Mg, which are predominantly synthesized by supernovae (SN) II. The derived abundance ratios, O/Fe, Mg/Fe, Si/Fe and S/Fe of the ICM, scatter around unity, i.e., the solar ratio, adopting the new solar abundances defined by Lodders (2003). Observed clusters and groups of galaxies with a bright central galaxy show similar Fe abundances of about 0.5 solar at 0.1 - 0.2r(sub 180). In contrast, the metal-mass-to-light ratios for clusters of galaxies tend to be higher than those in groups of galaxies. If metal enrichment occurred before the cluster or group formations, the poor systems would carry relatively smaller metal mass with smaller gas mass, while metal abundance would be similar. The derived Fe abundances of the ISM in elliptical galaxies are about 0.5 - 1.0 solar, indicating a low rate of present metal supply into the ICM. To account for Fe mass in the ICM, the past average rate of SNe Ia was much larger. The derived O and Mg abundances of the ISM in these galaxies are consistent with stellar metallicity which reflects formation histories of these galaxies. Observed low O/Fe ratio of the ISM in a S0 galaxy, NGC 4382, indicates different formation histories between this S0 galaxy and elliptical galaxies. The abundance pattern of the hot ISM in spiral galaxies may depend on their starburst activities. | |||||
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: AA0064574134 | |||||
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 |