Computer Science
Scientific paper
Oct 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006xmm..prop..124p&link_type=abstract
XMM-Newton Proposal ID #05032605
Computer Science
Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, Lh_A10, N2_06, B1, N2_08, B3, Xmm-Newton Proposal 05032605
Scientific paper
Using the largest Spitzer surveys (SWIRE & NDWFS) we uncovered an exceptional population of z~2 obscured and extremely luminous QSOs. We propose XMM-Newton observations of 11 sources from our unique sample of the 15 most luminous obscured QSOs currently known. These data will enable us to place constraints on the space density of obscured and extremely luminous QSOs, their contribution to the X-ray background, the high-z and high-L absorption distribution, and the obscured AGN fraction. The properties of the absorber will be also investigated by analyzing the dependency of the dust covering factor with the AGN luminosity, and comparing dust extinction with X-ray absorption. In addition, these observations will provide new templates for obscured QSOs.
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