614 citations · 2.3k across the 23 of their papers we have counts for
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astro-ph1999★ 1 cited
The X-Ray Luminosity Function of Active Galactic Nuclei
M. Schmidt, R. Giacconi, G. Hasinger +2
We derive an X-ray luminosity function for active galactic nuclei (AGN) that accounts for the X-ray source counts in the 0.5-2.0 and 2-10 keV energy ranges, the redshift distributi…
astro-ph1999
The ROSAT Deep Surveys
G. Hasinger, I. Lehmann, R. Giacconi +3
The ROSAT Deep Survey in the Lockman Hole is the most sensitive X-ray survey performed to date, encompassing an exposure time of 200 ksec with the PSPC and 1.2 Msec with the HRI. T…