Co-Evolution of Brightest Cluster Galaxies and Galaxy Activity in the Host Clusters

被引:0
|
作者
Huang, Mei-Ling [1 ]
Chen, Lin-wen [2 ]
机构
[1] Natl Cent Univ, Grad Inst Astron, Jhongli 320, Taiwan
[2] Natl Taiwan Normal Univ, Dept Earth Sci, Taipei, Taiwan
关键词
galaxies: evolution; galaxies: clusters: general; radio continuum: galaxies;
D O I
10.1017/S1743921310005715
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We have identified similar to 500 relatively relaxed galaxy clusters at low redshift (z < 0.3) from the maxBCG catalog with double radio lobes at the center; about 200 radio counterparts of brightest cluster galaxies (BCGs) of these clusters appear to be wide-angle tailed (WAT) radio sources, indicating ongoing interaction between its host galaxy and the surrounding ICM. Our analysis suggests that the radio power of WAT is positively correlated with the optical luminosities of host BCGs, and increases with redshift; whereas the cluster ellipticity-radio galaxy fraction relation shows no obvious difference between WAT and non-WAT clusters.
引用
收藏
页码:110 / 110
页数:1
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