On the fraction of X-ray obscured quasars

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dc.creatorWang, Junxian
dc.creatorJiang, Peng
dc.creatorZheng, Zhenya
dc.creatorWang, Tinggui
dc.creatorteam, the CDF-S
dc.date2007-02-27
dc.date.accessioned2026-07-07T07:48:58Z
dc.date.available2026-07-07T07:48:58Z
dc.descriptionVarious studies have claimed that the fraction of obscured AGN drops with luminosity, but contrary results are also reported. We present our recent studies on the fraction of X-ray obscured quasars in Chandra Deep Fields and in the local universe showing that most quasars in CDFs (at redshift of 1 ~ 4) are obscured and a consistent pattern in the local universe.
dc.description4 pages, 2 figures, Conference proceedings to appear in "The Central Engine of Active Galactic Nuclei", ed. L. C. Ho and J.-M. Wang (San Francisco: ASP)
dc.identifierhttps://arxiv.org/abs/astro-ph/0702701
dc.identifierhttp://arxiv.org/abs/astro-ph/0702701
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/124686
dc.subjectAstrophysics
dc.titleOn the fraction of X-ray obscured quasars
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