AGN Populations from Optical Identification of ASCA Surveys

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dc.creatorAkiyama, Masayuki
dc.creatorUeda, Yoshihiro
dc.creatorOhta, Kouji
dc.date2002-01-30
dc.date.accessioned2026-07-07T02:02:33Z
dc.date.available2026-07-07T02:02:33Z
dc.descriptionTo understand luminous AGNs in the z<1 universe, the ASCA AGN samples are the best at present. Combining the identified sample of AGNs from ASCA Large Sky Survey and Medium Sensitivity Survey, the sample of hard X-ray selected AGNs have been expanded up to 108 AGNs above the flux limit of 10^{-13} erg s^{-1} cm^{-2} in the 2-10 keV hard X-ray band. We discuss the fraction of absorbed AGNs in the hard X-ray selected AGN sample, and nature of absorbed luminous AGNs.
dc.description6 pages with 4 figures, to appear in the proceeding of IAU Colloquium 184 "AGN Surveys" (18-22 June 2001, Armenia)
dc.identifierhttps://arxiv.org/abs/astro-ph/0201495
dc.identifierhttp://arxiv.org/abs/astro-ph/0201495
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/4075
dc.subjectAstrophysics
dc.titleAGN Populations from Optical Identification of ASCA Surveys
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