X-ray Luminosity Functions of Active Galactic Nuclei

Details X-ray Luminosity Functions of Active Galactic Nuclei X-ray Luminosity Functions of Active Galactic Nuclei

2004-03-19

arxiv.org/abs/astro-ph/0403466v1

Astronomy and Astrophysics

Astrophysics

To appear in the proceedings of the conference "Multiwavelenth AGN Surveys", held in Cozumel, Mexico, December 2003 (invited t

Scientific paper

In this proceedings paper, I overview the current status of the X-ray luminosity function of AGNs in the soft (0.5-2 keV) band, extended using XMM-Newton and Chandra survey data. We found that the number density of low luminosity AGNs peaks later in the history of the universe (z~1) than the that of high luminosity AGNs (z~1.7-3). I also describe the basic results of a spectroscopic followup project of a complete HEAO-1 hard X-ray limited sample of AGNs using ASCA and XMM-Newton and present separate intrinsic hard X-ray luminosity functions for unabsorbed and absorbed AGNs. We found that the absorbed AGN XLF drops more rapidly at high luminosities, indicating a deficiency of absorbed luminous AGNs.

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