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X-ray Observations of Active Galactic Nuclei in the Cosmological Context

Name: X-ray Observations of Active Galactic Nuclei in the Cosmological Context
Keywords: Cluster property, Active galactic nucleus, Cosmological context, Current result, Source population

descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 1998 Spain Publisher:Springer Science and Business Media LLCJournal:Astrophysics and Space Science, volume 263, pages 115-118 (issn: 0004-640X, eissn: 1572-946X,

Authors: Barcons, Xavier; Carballo, R.; Carrera, Francisco J.; Ceballos, María Teresa; González-Serrano, José Ignacio; Fabian, Andrew C.; Warwick, R. S.;

doi: 10.1023/a:1002112900799

handle: 10261/170279

X-ray Observations of Active Galactic Nuclei in the Cosmological Context

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Abstract

We review recent discoveries of obscured Active Galactic Nuclei at significant redshifts with X-ray observations. Most, if not all, the X-ray luminous galaxies found at faint X-ray fluxes could in fact be obscured AGN, where the obscuring material is also forming stars copiously. Given that AGN of various types appear to dominate the source populations at all X-ray fluxes, we also discuss their clustering properties. Current results imply that the population of X-ray selected AGN is not strongly biased, and therefore X-ray observations can be used to trace the distribution of matter out to redshifts ∼ 2.

Partial financial support for this work was provided by the DGESID under project PB95-0122. ACF thanks the Royal Society for support.

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Spain

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Keywords

Cluster property, Active galactic nucleus, Cosmological context, Current result, Source population

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