The Local Population of Obscured AGN

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Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, Ngc 4536, Ngc 613, Ngc 1792, Ngc 1559, Ngc 4088, Ngc 2903, Ngc 5248, Ngc 3059, Ngc 3175, Ngc 3949, Ngc 3938, Ngc 6744, Ugca 127, Ngc 4818, Ngc 3675, Eso 209-G009, Ngc 3511, Ngc 3198, Ngc 1448, Ngc 3726, Ngc 3621, Eso 121-G006, Ngc 4085, Ngc 3368, Ic 2056, Xmm-Newton Proposal 04030725

Scientific paper

We propose for 10 ks observations of 27 galaxies within 15 Mpc that have a far infrared luminosity greater than 5x 10^42 erg s^-1. Combining these observations with 39 similar objects already in the XMM-Newton and Chandra archives will yield a complete sample of such IR-luminous AGN within 15 Mpc. These data will enable us to discover previously unknown buried AGN, which would be nearly impossible to detect at other wavelengths, and thus fill holes in our knowledge of the local column density distribution, luminosity function and obscured-to-unobscured AGN ratio -- all of which are key ingredients to understanding the X-ray background and the cosmic evolution of AGN.

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