Extended ROSAT Bright Cluster Sample

We present a low-flux extension of the X-ray-selected ROSAT Brightest Cluster Sample (BCS) published in Paper I of this series. Like the original BCS and employing an identical...我们提出了本系列第一篇论文中发表的、经X射线挑选的ROSAT最亮星系团样本（Brightest Cluster Sample, BCS）的低通量扩展版本。该扩展样本与原始BCS保持一致，并采用了完全相同的……