186 citations · 767 across the 23 of their papers we have counts for
Showing 1999Show all
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astro-ph1999★ 67 cited
X-ray variability in a deep, flux limited sample of QSOs
O. Almaini, A. Lawrence, T. Shanks +6
We present an analysis of X-ray variability in a flux limited sample of QSOs. Selected from our deep ROSAT survey, these QSOs span a wide range in redshift () and are ty…
astro-ph1999★ 2 cited
Implications of an Obscured AGN Model for the X-ray Background at Sub-mm and Far Infra-Red Wavelengths
K. F. Gunn, T. Shanks
Models invoking large populations of obscured AGN are known to provide good fits to the spectrum of the X-ray background and the observed soft and hard X-ray number counts. An impo…