M 51 Chandra X-Ray Discrete Source Catalog

This table contains the results of two Chandra observations (separated by 1 year) of the population of X-ray sources in the spiral galaxy M 51 (NGC 5194 and NGC...本表格收录了两次钱德拉（Chandra）X射线天文台观测旋涡星系M51（NGC 5194与NGC……）内X射线源群体的结果，两次观测间隔时长为一年。