X-ray obscured AGN in the GOODS-N

Astronomy and Astrophysics – Astronomy

Scientific paper

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Galactic Nuclei, Red Shift, X-Ray Spectroscopy, X-Ray Sources (Astronomical), Galactic Nuclei, Circumnuclear Matter, And Bulges, Distances, Redshifts, Radial Velocities, Spatial Distribution Of Galaxies, X-Ray, X-Ray Sources, X-Ray Bursts

Scientific paper

We explore the X-ray properties of the Dust Obscured Galaxies (DOGs) i.e. sources with f24μ/fR>1000. This population has been proposed to contain a significan fraction of Compton-thick sources at high redshift. In particular we study the X-ray spectra of the 14 DOGS detected in the CDFN 2Ms exposure. Their stacked spectrum is fla with Γ = 1+/-0.1 very similar to the stacked spectrum of the undetected DOGs (Γ = 0.8+/-0.2). However, many of our X-ray detected DOGs present only moderate absorption with column densities 1022

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