Non-nuclear X-ray sources in nearby galaxies

We have created a new, clean catalogue of extragalactic non-nuclear X-ray sources by correlating the 3XMM-DR4 data release of the XMM-Newton Serendipitous Source Catalogue with...我们通过将XMM-牛顿偶然源目录（XMM-Newton Serendipitous Source Catalogue）的3XMM-DR4数据发布版本与……进行关联匹配，构建了一套全新洁净的河外非核X射线源目录。