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arxiv: astro-ph/0201495 · v1 · submitted 2002-01-30 · 🌌 astro-ph

AGN Populations from Optical Identification of ASCA Surveys

classification 🌌 astro-ph
keywords agnsascahardsamplex-rayabsorbedluminousselected
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To 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.

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