X-ray and optical analysis of Abell 85

被引：0
|
作者：
Lobo, C
Durret, F
Slezak, E
Gerbal, D
Guibert, J
Mazure, A
机构：
[1] Inst Astrophys, CNRS, F-75014 Paris, France
[2] UP, Ctr Astrofis, P-4150 Porto, Portugal
[3] Observ Paris, DAEC, F-92195 Meudon, France
[4] Observ Cote Azur, F-06304 Nice 4, France
[5] CAI, F-75014 Paris, France
[6] Observ Paris, F-75014 Paris, France
[7] LAS, Traverse du Siphon, F-13376 Marseille, France
来源：
ASTROPHYSICAL LETTERS & COMMUNICATIONS | 1997年 / 36卷 / 1-6期
关键词：
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present preliminary results on a detailed study of the rich cluster of galaxies ABCG85. The wavelet based analysis' of the ROSAT X-ray image clearly shows a regular main body with a second fainter component to the south, We have obtained an optical catalogue of 1040 galaxies by scanning a Schmidt plate. Its wavelet transform confirms the roughly regular aspect of the central part of the cluster, with a density enhancement coinciding with the south X-ray emission. The luminosity function for the central region of the cluster, built with 59 galaxies brighter than V=19.25, can be fit by a Schechter function of index alpha = -1.5 +/- 0.2 or by a combination of either a Gauss or an Erlang function with a Schechter function.
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页码：211 / 214
页数：4
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