X-ray optical analysis of the cluster of galaxies Abell 1300: indications of a post-merger at z=0.31

被引：0
|
作者：
Lemonon, L
Pierre, M
Hunstead, R
Reid, A
Mellier, Y
Bohringer, H
机构：
[1] UNIV SYDNEY, SCH PHYS, SYDNEY, NSW 2006, AUSTRALIA
[2] INST ASTROPHYS, F-75014 PARIS, FRANCE
[3] OBSERV PARIS, DEMIRM, F-75014 PARIS, FRANCE
[4] MAX PLANCK INST EXTRATERR PHYS, D-85740 GARCHING, GERMANY
来源：
ASTRONOMY & ASTROPHYSICS | 1997年 / 326卷 / 01期
关键词：
galaxies: clusters: general; galaxies: clusters: individual: Abell 1300; cosmology: observations; dark matter; X-rays: galaxies;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present ROSAT PSPC and HRI observations of the distant cluster A 1300 (z = 0.3071) in conjunction with optical data, to investigate the physics of the intra-cluster medium and the dynamical state of the cluster. By means of a multi-resolution wavelet analysis, we find evidence for structures in the X-ray emission of this very luminous (L-X similar to 1.7 x 10(45) erg s(-1) in the 0.1-2.4 keV band) and massive (M-tot similar to 1.3 x 10(15) M. at a radius similar to 2.2 Mpc) cluster. This cluster is significant as we appear to be witnessing the end of a merger which occurred at an early epoch.
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收藏
页码：34 / 44
页数：11
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