A Zoo of Radio Relics: Cluster Cores to Filaments

被引：0
|
作者：
Kale, Ruta [1 ]
Dwarakanath, K. S. [1 ]
机构：
[1] Raman Res Inst, Bangalore 560080, Karnataka, India
来源：
JOURNAL OF ASTROPHYSICS AND ASTRONOMY | 2011年 / 32卷 / 04期
关键词：
Galaxy clusters; relics;
D O I：
10.1007/s12036-011-9098-0
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Radio relics in galaxy clusters can be electrons accelerated at cluster merger shocks or adiabatically compressed fossil radio cocoons or dying radio galaxies. The spectral evolution of radio relics is affected by the surrounding thermal plasma. We present a low frequency study of three radio relics representing environments of dense cluster core (A4038), cluster outskirts (A1664) and filaments (A786). The properties of the relics are found to be consistent with the effect of confinement by external medium if the effects of projection are ignored.
引用
收藏
页码：537 / 538
页数：2
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