Reconstruction of Gas Temperature and Density Profiles of the Galaxy Cluster RX J1347.5-1145
- 期刊名字:中国天文和天体物理学报(英文版)
- 文件大小:
- 论文作者:Qiang Yuan,Tong-Jie Zhang,Bao-
- 作者单位:Department of Astronomy,Key Laboratory of Panicle Astrophysics,Kavli Institute for Theoretical Physics China,Department
- 更新时间:2022-09-23
- 下载次数:次
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 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 observa-tions 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.
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