Department of Physics, Tokyo University of Science
Department of Physics, Tokyo University of Science
Department of Physics, Tokyo University of Science
Graduate School of Natural Science and Technology, Kanazawa University
Department of Physics, Tokyo University of Science
Department of Physics, Tokyo Metropolitan University
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (ISAS)(JAXA)
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (ISAS)(JAXA)
Department of Physics, The University of Tokyo
出版者
宇宙航空研究開発機構
出版者（英）
Japan Aerospace Exploration Agency (JAXA)
雑誌名
宇宙航空研究開発機構特別資料:
雑誌名(英)
JAXA Special Publication: The Energetic Cosmos; from Suzaku to ASTRO-H
巻
JAXA-SP-09-008E
ページ
384 - 385
発行年
2010-02-26
会議概要（会議名, 開催地, 会期, 主催者等）（英）
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）
The metallicity distribution in the intracluster medium (ICM) of the Fornax cluster was studied with Suzaku and XMM-Newton. The abundances of O, Mg, Si, S, and Fe within a radius of 0.2r(sub 180) were measured with high accuracy with Suzaku. The abundance of Fe and the gas mass within a radius of 0.3r(sub 180) were measured with XMM-Newton. The oxygen and iron mass-to-light ratio (OMLR, IMLR) within 0.1r(sub 180) are over an order of magnitude lower than those of rich clusters and some relaxed groups of galaxies like the NGC 5044 group. The metal mass to light ratios outside 0.1r(sub 180) increases with radius, and may become comparable to those of the NGC 5044 group at 0.4 - 0.5r(sub 180). In the Fornax cluster, the asymmetric X-ray emission may point to large-scale dynamical evolution, which might have hampered the strong concentration of hot gas in the center.
内容記述（英）
Meeting sponsors: The University of Tokyo, The Institute of Physical and Chemical Research, The Japan Society for the Promotion of Science
Suzaku and XMM-Newton Observations of the Metallicity Distribution in the Intracluster Medium of the Fornax cluster
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