Expected number counts of radio galaxy clusters

被引：2
|
作者：
Zhou, W [1 ]
机构：
[1] Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
来源：
CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS | 2002年 / 2卷 / 02期
关键词：
cosmology : theory; galaxies : cluster : general; radio sources : extended;
D O I：
10.1088/1009-9271/2/2/106
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Clusters of galaxies may contain radio sources if they still experience successive mergers at present. This has been confirmed by radio observations that about 30% of nearby clusters possess radio halos. We present a theoretical prediction of radio cluster counts using a semi-analytic approach which incorporates the empirical correlation between radio power and dynamical mass of clusters, and the cluster mass function described by the Press-Schechter formalism. The total population of radio clusters over the whole sky and their redshift distribution are given.
引用
收藏
页码：106 / 111
页数：6
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