The incidence of obscuration in active galactic nuclei

Merloni, A.; Bongiorno, A.; Brusa, M.; Iwasawa, K.; Mainieri, V.; Magnelli, B.; Salvato, M.; Berta, S.; Cappelluti, N.; Comastri, A.; Fiore, F.; Gilli, R.; M. Koekemoer, Anton; Le Floc’h, E.; Lusso, Elisabeta; Lutz, D.; Miyaji, T.; Pozzi, F.; Riguccini, L.; J. Rosario, D.; D. Silverman, J.; Symeonidis, M.; Treister, Ezequiel; Vignali, C.; Zamorani, G.

doi:10.1093/mnras/stt2149

Public

The incidence of obscuration in active galactic nuclei

Shared by NobleBlocks on Nov 30, 2013 • 12:00 AM UTC

Authors:

A. Merloni

A. Bongiorno

M. Brusa

Abstract

We study the incidence of nuclear obscuration on a complete sample of 1310 active galactic nuclei (AGN) selected on the basis of their rest-frame 2-10 keV X-ray flux from the XMM-COSMOS survey, in the redshift range 0.3 < z < 3.5. We classify the AGN as obscured or unobscured on the basis of either ...

Subject

Physics

Astrophysics

Active galactic nucleus

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