The Influence of AGN Feedback on Galaxy Cluster Observables

被引：0
|
作者：
Yang, H. -Y. [1 ]
Ricker, P. M. [1 ,2 ]
Sutter, P. M. [3 ]
机构：
[1] Univ Illinois, Dept Astron, 1002 W Green St, Urbana, IL 61801 USA
[2] Univ Illinois, Natl Ctr Suppercomputing Applicat, Urbana, IL 61801 USA
[3] Univ Illinois, Dept Phys, Urbana, IL 61801 USA
来源：
MONSTER'S FIERY BREATH: FEEDBACK IN GALAXIES, GROUPS, AND CLUSTERS | 2009年 / 1201卷
关键词：
galaxies: clusters; cooling flows; hydrodynamics; active galactic nuclei; methods: numerical; COSMOLOGICAL SIMULATIONS;
D O I：
10.1063/1.3293074
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Galaxy clusters are valuable cosmological probes. However, cluster mass estimates rely on observable quantities that are affected by complicated baryonic physics in the intracluster medium (ICM), including feedback from active galactic nuclei (AGN). Cosmological simulations have started to include AGN feedback using subgrid models. In order to make robust predictions, the systematics of different implementations and parametrizations need to be understood. We have developed an AGN subgrid model in FLASH that supports a few different black hole accretion models and feedback models. We use this model to study the effect of AGN on X-ray cluster observables and its dependence on model variations.
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页码：350 / +
页数：2
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