Data Centre for Astrophysics
Astronomy Department of the University of Geneva
ISDC Seminar

Wednesday, 19 December 2012 at 11:00

Sotiria Fotopoulou
Max-Planck-Institut für Plasmaphysik (IPP), Garching, Germany

AGN Hard X-ray luminosity function and the Lockman Hole Deep Field

Abstract. The Lockman Hole field, is the area of the sky with the lowest galactic absorption, providing ideal observing conditions for extragalactic astronomy; it is the second deepest field observed by XMM-Newton with an exposure time of ~1.3Ms. I will present the first public release of deep broadband multiwavelength photometry in the Lockman Hole, discussing also the computation of photometric redshifts both for normal galaxies and X-ray selected AGN. Combining the Lockman Hole with other wide (XMM serendipitous survey, COSMOS) and deep X-ray fields (CDFS, AEGIS) we computed for the first time the evolution of the 5-10 keV AGN luminosity function. I will briefly introduce the methods commonly used to compute the luminosity function and discuss a comparison of the results between the 5-10 keV and the first meta-analysis of the 2-10 keV luminosity functions available in the literature.

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