Robust and complete Demographics of Active Galactic Nuclei

• Data: ~2000 2-10keV detected AGN: CDFS, AEGIS-XD, C-COSMOS, XMM-XXL (20deg²)
• Full Bayesian spectral analysis Buchner+14
• Non-parametric luminosity-function & NH distribution Buchner+15

Johannes Buchner (MPE) Antonis Georgakakis, Kirpal Nandra, Murray Brightman, Marie-Luise Menzel, Zhu Liu, Li-Ting Hsu, Mara Salvato, Cyprian Rangel, James Aird, Andrea Merloni and Nicholas Ross

• http://arxiv.org/abs/1501.02805

Fraction of Obscured

NH>10²²cm-2

LX>1042 erg/s

Averaged over cosmic time

AGN: 38+8-7%

Fraction of Compton-thick

AGN: 77+4-5%