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题名: Reconstruction of Gas Temperature and Density Profiles of the Galaxy Cluster RX J1347.5-1145
作者: Yuan, Qiang ;  Zhang, Tong-Jie ;  Wang, Bao-Quan
刊名: CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
出版日期: 2008
卷号: 8, 期号:6, 页码:671-676
关键词: RAY SURFACE BRIGHTNESS ;  X-RAY ;  INTRACLUSTER GAS ;  HUBBLE CONSTANT ;  HOT-MODEL ;  RADIATION ;  J1347-1145 ;  UNIVERSE ;  MATTER ;  SCALE
学科分类: Physics
通讯作者: Yuan, Q , Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China
部门归属: [Yuan, Q; Zhang, TJ] Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China; [Yuan, Q] Chinese Acad Sci, Key Lab Particle Astrophys, Inst High Energy Phys, Beijing 100049, Peoples R China; [Zhang, TJ] Chinese Acad Sci, Kavli Inst Theoret Phys China, Inst Theoret Phys, Beijing 100080, Peoples R China; [Wang, BQ] Dezhou Univ, Dept Phys, Dezhou 253023, Peoples R China
英文摘要: We use observations of Sunyaev-Zel'dovich effect and X-ray surface brightness to reconstruct the radial profiles of gas temperature and density under the assumption of a spherically symmetric distribution of the gas. The method of reconstruction, first raised by Silk & White, depends directly on the observations of the Sunyaev-Zel'dovich effect and the X-ray surface brightness, without involving additional assumptions such as the equation of state of the gas or the conditions of hydrostatic equilibrium. We applied this method to the cluster RX J1347.5-1145, which has both the Sunyaev-Zel'dovich effect and X-ray observations with relative high precision. It is shown that it will be an effective method to obtain the gas distribution in galaxy clusters. Statistical errors of the derived temperature and density profiles of gas were estimated according to the observational uncertainties.
资助者: National Science Foundation of China[10473002]; Scientific Research Foundation for the Returned Overseas Chinese Scholars; State Education Ministry; Scientific Research Foundation for Undergraduate of Beijing Normal University
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000262268400005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5596
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Yuan, Qiang,Zhang, Tong-Jie,Wang, Bao-Quan. Reconstruction of Gas Temperature and Density Profiles of the Galaxy Cluster RX J1347.5-1145[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2008,8(6):671-676.
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