IllustrisTNG Snapshots for 10 Gyr of Dynamical Evolution of Brightest Cluster Galaxies and Their Host Clusters

IllustrisTNG Snapshots for 10 Gyr of Dynamical Evolution of Brightest Cluster Galaxies and Their Host Clusters
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DOI：
10.3847/1538-4357/ac8f23
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发表时间：
2022-07
期刊：
The Astrophysical Journal
影响因子：
--
通讯作者：
J. Sohn;M. Geller;M. Vogelsberger;J. Borrow
J. Sohn;M. Geller;M. Vogelsberger;J. Borrow
中科院分区：
其他
文献类型：
--
作者：
J. Sohn;M. Geller;M. Vogelsberger;J. Borrow

文献摘要

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我们探讨的红移演化的大质量星系团和他们最亮的星系团星系（BCGs）在z 1的动力学性质，提供了一个有趣的观测测试。模拟得到的σ cl和σ *，BCG的红移演化与z < 0.3的团簇样品的观测结果基本一致，但有较大的离散度。未来的大型光谱调查达到高红移将测试的影响，模拟的质量演化的集群和他们的BCGs。
We explore the redshift evolution of the dynamical properties of massive clusters and their brightest cluster galaxies (BCGs) at z 1, offering an interesting observational test. The simulated redshift evolution of σ cl and σ *,BCG generally agrees with an observed cluster sample for z < 0.3, but with large scatter. Future large spectroscopic surveys reaching to high redshift will test the implications of the simulations for the mass evolution of both clusters and their BCGs.