Sloan Digital Sky Survey/XMM-Newton AGN Spectral Properties Catalog

Bright XMM-Newton data are combined with the Chandra Deep Field South observations to explore the behavior of the intrinsic AGN absorption, as a function of redshift...将亮XMM-牛顿（XMM-Newton）观测数据与钱德拉深场南（Chandra Deep Field South）的观测数据相结合，以探究本征活动星系核（AGN）的吸收特性随红移的变化规律。