中文

化石星系群的大样本X射线研究

宇宙学与河外天体物理 2009-10-23 v1 高能天体物理现象

摘要

我们展示了首个大样本光学认证化石星系群的钱德拉快照观测结果。在14个候选群中,有9个我们能够测定其X射线光度和温度,其范围涵盖了从大型椭圆星系到富星系群的典型区间。我们结合星系群星系际介质和中心星系星际介质的演化讨论了这些初步结果,并描述了深度X射线后续观测计划的方案。

关键词

引用

@article{arxiv.0910.4171,
  title  = {A Large X-ray Sample of Fossil Groups},
  author = {Eric D. Miller and Eli Rykoff and Renato de Alencar Dupke and Claudia Mendes de Oliveira and Timothy McKay and Benjamin Koester},
  journal= {arXiv preprint arXiv:0910.4171},
  year   = {2009}
}

备注

1 page, 2 figures. Contributed talk to Joint Discussion 8, "Hot Interstellar Matter in Elliptical Galaxies". To appear in Highlights of Astronomy, Vol. 15, Proc. of the XXVIIth IAU General Assembly, Rio de Janeiro, Brazil, August 2009, eds. D.-W. Kim and S. Pellegrini, Cambridge University Press