X-ray emitting AGN unveiled by the Chandra Multiwavelength Project

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dc.creatorSilverman, John D.
dc.creatorGreen, Paul J.
dc.creatorAldcroft, Thomas L.
dc.creatorKim, Dong-Woo
dc.creatorBarkhouse, Wayne
dc.creatorCameron, Robert A.
dc.creatorWilkes, Belinda J.
dc.date2003-10-31
dc.date.accessioned2026-07-07T02:10:59Z
dc.date.available2026-07-07T02:10:59Z
dc.descriptionWe present an X-ray and optical analysis of a 2-8 keV flux limited (fx > 10e-14 erg s^-1 cm^-2) sample of 126 AGN detected in 16 Chandra fields. This work represents a small though significant subset of the Chandra Multiwavelength Project (ChaMP). We have chosen this limiting flux to have a reasonable degree of completeness (50%) in our optical spectroscopic identifications. The optical counterparts of these AGN are characterized as either broad emission line AGN (BLAGN; 67%), narrow emission line galaxies (NELG; 22%) or absorption line galaxies (ALG; 11%) without any evidence of an AGN signature. Based on their X-ray luminosity and spectral properties, we show that NELG and ALG are primarily the hosts of obscured AGN with an intrinsic absorbing column in the range of 10^21.5<NH<10^23.3 cm^-2. While most of the BLAGN are unobscured, there are a few with substantial absorption. X-ray surveys such as the ChaMP nicely complement the SDSS to determine the demographics of the AGN population.
dc.description4 pages; to appear in AGN Physics with the Sloan Digital Sky Survey (July 2003; Princeton, NJ), eds. G.T. Richards and P.B. Hall
dc.identifierhttps://arxiv.org/abs/astro-ph/0310907
dc.identifierhttp://arxiv.org/abs/astro-ph/0310907
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/6923
dc.subjectAstrophysics
dc.titleX-ray emitting AGN unveiled by the Chandra Multiwavelength Project
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