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Simulated X‐ray emission in galaxy clusters with feedback from active galactic nuclei
Astronomische Nachrichten ( IF 0.9 ) Pub Date : 2021-01-24 , DOI: 10.1002/asna.202113898
Rudrani Kar Chowdhury 1 , Soumya Roy 2 , Suchetana Chatterjee 1 , Nishikanta Khandai 3 , Craig L. Sarazin 4 , Tiziana Di Matteo 5
Affiliation  

To investigate the effect of feedback from active galactic nuclei (AGN) on their surrounding medium, we study the diffuse X‐ray emission from galaxy groups and clusters by coupling the Astrophysical Plasma Emission Code (APEC) with the cosmological hydrodynamic simulation involving AGN feedback. We construct a statistical sample of synthetic Chandra X‐ray photon maps to observationally characterize the effect of AGN on the ambient medium. We show that AGN are effective in displacing the hot X‐ray emitting gas from the centers of groups and clusters, and that these signatures remain evident in observations of the X‐ray surface brightness profiles.

中文翻译:

来自活跃银河核的反馈模拟银河星团中的X射线发射

为了研究活跃银河系原子核(AGN)的反馈对其周围介质的影响,我们通过将天体等离子体发射代码(APEC)与涉及AGN反馈的宇宙流体动力学模拟相结合,研究了来自银河系群和星团的弥散X射线发射。我们构建了一个合成的钱德拉X射线光子图的统计样本,以观察性地表征AGN对环境介质的影响。我们证明了AGN可以有效地置换来自团簇和团簇中心的热X射线发射气体,并且这些特征在X射线表面亮度分布的观察中仍然很明显。
更新日期:2021-03-22
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