X-ray luminosity functions of different morphological and X-ray type AGN populations
Abstract
Luminosity functions are one of the most important observational clues when studying galaxy evolution over cosmic time. In this paper we present the X-ray luminosity functions of X-ray detected AGN in the SXDS and GWS fields. The limiting fluxes of our samples are 9.0x10^(-15) and 4.8x10^(-16) erg/cm^2/sec^(-1) in the 0.5 - 7.0 keV band in the two fields, respectively. We carried out analysis in three X-ray bands and in two redshift intervals up to z < 1.4. Moreover, we derive the luminosity functions for different optical morphologies and X-ray types. We confirm strong luminosity evolution in all three bands, finding the most luminous objects at higher redshift. However, no signs of density evolution are found in any tested X-ray band. We obtain similar results for compact and early-type objects. Finally, we observe the `Steffen effect', where X-ray type-1 sources are more numerous at higher luminosities in comparison with type-2 sources.
Keywords
Cite
@article{arxiv.1302.6719,
title = {X-ray luminosity functions of different morphological and X-ray type AGN populations},
author = {M. Pović and A. M. Pérez García and M. Sánchez-Portal and A. Bongiovanni and J. Cepa and M. Fernández Lorenzo and M. A. Lara-López and J. Gallego and A. Ederoclite and I. Márquez and J. Masegosa and E. Alfaro and H. Castañeda and J. I. González-Serrano and J. J. González},
journal= {arXiv preprint arXiv:1302.6719},
year = {2013}
}
Comments
published in AN, 12 pages, 8 figures