Deprojected analysis of Abell 1835 observed with Chandra and compared with XMM-Newton
Li CK(李承奎); Jia SM(贾淑梅); Chen Y(陈勇); Li, CK; Jia, SM; Chen, Y; Xiang, F; Wang, YS; Zhao, HH; Wang YS(王于仨); Zhao HH(赵洪辉)
刊名ASTRONOMY & ASTROPHYSICS
2012
卷号545页码:A100
关键词galaxies: clusters: individual: Abell 1835 X-rays: galaxies: clusters galaxies: clusters: intracluster medium
学科分类Astronomy & Astrophysics
DOI10.1051/0004-6361/201118578
英文摘要Using a deprojection technique, we study the X-ray properties of the galaxy cluster Abell 1835 observed with Chandra, including temperature, abundance, electron density, gas mass fraction, and total mass. A comparison with the results without deprojection shows that the properties do not change much. When we compare the results with those of XMM-Newton, the difference between the temperature profiles derived from Chandra and XMM-Newton data still exists, even if the point-spread function effect of XMM-Newton is corrected. To investigate the reasons for the difference, we used the spectra to cross-calibrate the temperatures. They show that the Chandra spectra can be fitted well with XMM-Newton temperatures. Furthermore, we derive the electron density profile from Chandra data with XMM-Newton temperatures and calculate the projected mass, which is consistent with the XMM-Newton mass and a little lower than the weak lensing mass at r(500). Thus, it seems that the temperature derived from XMM-Newton may be more reliable.
收录类别SCI
WOS记录号WOS:000309254900100
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224722
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
中国科学院高能物理研究所_粒子天体物理中心
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Li CK,Jia SM,Chen Y,et al. Deprojected analysis of Abell 1835 observed with Chandra and compared with XMM-Newton[J]. ASTRONOMY & ASTROPHYSICS,2012,545:A100.
APA 李承奎.,贾淑梅.,陈勇.,Li, CK.,Jia, SM.,...&赵洪辉.(2012).Deprojected analysis of Abell 1835 observed with Chandra and compared with XMM-Newton.ASTRONOMY & ASTROPHYSICS,545,A100.
MLA 李承奎,et al."Deprojected analysis of Abell 1835 observed with Chandra and compared with XMM-Newton".ASTRONOMY & ASTROPHYSICS 545(2012):A100.
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