High Energy Large Area Surveys: optically obscured AGN and the history of accretion

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dc.creatorFiore, F.
dc.creatorcollaboration, the HELLAS2XMM
dc.date2004-06-01
dc.date.accessioned2026-07-07T02:13:23Z
dc.date.available2026-07-07T02:13:23Z
dc.descriptionHard X-ray, large area surveys are a fundamental complement of ultra-deep, pencil beam surveys in obtaining a more complete coverage of the L-z plane, allowing to find luminous QSO in wide z ranges. Furthermore, results from these surveys can be used to make reliable predictions about the luminosity (and hence the redshift) of the sources in the deep surveys which have optical counterparts too faint to be observed with the present generation of optical telescopes. This allows us to obtain accurate luminosity functions on wide luminosity and redshift intervals.
dc.description6 pages. To appear in the proceedings of 'Multi-wavelength AGN surveys', Cozumel (Mexico), 8-12 December 2003
dc.identifierhttps://arxiv.org/abs/astro-ph/0406019
dc.identifierhttp://arxiv.org/abs/astro-ph/0406019
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/7794
dc.subjectAstrophysics
dc.titleHigh Energy Large Area Surveys: optically obscured AGN and the history of accretion
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