AGN effect on cooling flow dynamics

被引：5
|
作者：
Bibi, Fathallah Alouani [1 ]
Binney, James [1 ]
Blundell, Katherine [1 ]
Omma, Henrik [1 ]
机构：
[1] Univ Oxford, St John Res Ctr, Oxford OX1 3JP, England
来源：
ASTROPHYSICS AND SPACE SCIENCE | 2007年 / 311卷 / 1-3期
关键词：
cooling flow; galaxy cluster; AGN jet; bubble; feedback : general;
D O I：
10.1007/s10509-007-9542-4
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We analyzed the feedback of AGN jets on cooling flow clusters using three-dimensional AMR hydrodynamic simulations. We studied the interaction of the jet with the intracluster medium and creation of low X-ray emission cavities (Bubbles) in cluster plasma. The distribution of energy input by the jet into the system was quantified in its different forms, i.e. internal, kinetic and potential. We find that the energy associated with the bubbles, (pV+gamma pV/(gamma- 1)), accounts for less than 10 percent of the jet energy.
引用
收藏
页码：317 / 321
页数：5
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