563 citations · 2.9k across the 17 of their papers we have counts for
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astro-ph1999★ 19 cited
X-raying the Star Formation History of the Universe
A. Cavaliere, R. Giacconi, N. Menci
The current models of early star and galaxy formation are based upon the hierarchical growth of dark matter halos, within which the baryons condense into stars after cooling down f…
astro-ph1999
The ROSAT Deep Survey: III. Optical spectral properties of X-ray sources in the Lockman Hole
I. Lehmann, G. Hasinger, M. Schmidt +6
The ROSAT Deep Survey in the Lockman Hole contains a complete sample of 50 X-ray sources with fluxes in the 0.5-2.0 keV band larger than 5.5E-15 erg/cm2/s. Previous work has provid…