Spectral comparison between AGN at z = 0.1, 0.2 and 0.3

Hartmut Winkler, Jessica Tsuen

We identified three samples of ROSAT sources with Sloan Digital Sky Survey spectra, one at redshift z = 0.1, a second one at z = 0.2 and a third one at z = 0.3. 812 sources in tota…