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XMM-Newton studies of a massive cluster of galaxies: RXC J2228.6+2036
Jia SM(贾淑梅); Jia, SM; Bohringer, H; Pointecouteau, E; Chen, Y; Zhang, YY; Chen Y(陈垚)
2008
发表期刊ASTRONOMY & ASTROPHYSICS
卷号489期号:1页码:1-9
通讯作者Jia, SM (reprint author), Max Planck Inst Extraterr Phys, D-85748 Garching, Germany.
文章类型Article
摘要We present the X-ray properties of a massive cluster of galaxies (RXC J2228.6+2036 at z = 0.421) using XMM-Newton data. The X-ray mass modeling is based on the temperature and density distributions of the intracluster medium derived using a deprojection method. We find that RXC J2228.6+ 2036 is a hot cluster (T(500) = 8.92(-1.32)(+1.78) keV) showing a cooling flow rate of 12.0(-12.0)(+56.0) M(circle dot) yr(-1) based on spectral fitting within the cooling flow radius (r(cool) = 147 +/- 10 kpc). The total cluster mass is M(500) = (1.19 +/- 0.35) x 10(15) M(circle dot) and the mean gas mass fraction is f(gas) = 0.165 +/- 0.045 at r(500) = 1.61 +/- 0.16 Mpc. We discuss the PSF-correction effect on the spectral analysis and find that, for the selected annular width, the PSF-corrected temperatures are consistent with those without PSF-correction. We observe remarkable agreement between X-ray and SZ results, which is of prime importance for future SZ surveys. RXC J2228.6+ 2036 obeys the empirical scaling relations found in general massive galaxy clusters (e. g. S-T, M-T, L-T and M-Y), after accounting for self-similar evolution.
关键词galaxies : clusters : individual : RXC J2228.6+2036 X-rays : galaxies : clusters
学科领域Astronomy & Astrophysics
DOI10.1051/0004-6361:200809699
收录类别SCI
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000259347400002
引用统计
被引频次:9[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/311005/225410
专题粒子天体物理中心
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Jia SM,Jia, SM,Bohringer, H,et al. XMM-Newton studies of a massive cluster of galaxies: RXC J2228.6+2036[J]. ASTRONOMY & ASTROPHYSICS,2008,489(1):1-9.
APA 贾淑梅.,Jia, SM.,Bohringer, H.,Pointecouteau, E.,Chen, Y.,...&陈垚.(2008).XMM-Newton studies of a massive cluster of galaxies: RXC J2228.6+2036.ASTRONOMY & ASTROPHYSICS,489(1),1-9.
MLA 贾淑梅,et al."XMM-Newton studies of a massive cluster of galaxies: RXC J2228.6+2036".ASTRONOMY & ASTROPHYSICS 489.1(2008):1-9.
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