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Paper: On the Fraction of X-ray Obscured Quasars
Volume: 373, The Central Engine of Active Galactic Nuclei
Page: 471
Authors: Wang, J.; Jiang, P.; Zheng, Z.; Wang, T.
Abstract: Various studies have claimed that the fraction of obscured AGN drops with luminosity, but contrary results are also reported. We present our recent study on the fraction of X-ray obscured quasars in Chandra Deep Fields and in the local universe showing that most quasars in CDF-S (at redshift of 1 to 4) are obscured, consistent with the pattern in the local universe.
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