Obscured AGN beyond the local Universe

Details Obscured AGN beyond the local Universe Obscured AGN beyond the local Universe

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007xmm..prop...41l&link_type=abstract

XMM-Newton Proposal ID #05512007

Computer Science

Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, Sdssj143928.23+, Sdssj092318.04+, Sdssj094820.38+, Sdssj090414.10-, Sdssj094836.03+, Xmm-Newton Proposal Id #05512007

Scientific paper

We propose to observe with XMM-Newton the Bian et al. (2006) subsample of type 2 AGN at z=0.3-0.4 for which they could estimate lambda=L_bol/L_Edd, based on the L[O III]. The sources have all high Eddington ratios, and high luminosities. The main aim is to determine the fraction of Compton-thick AGN at z=0.3-0.4, high lambda, high L, to be compared with measurements based on local, low luminosities samples to search for correlation between obscuration and both the Eddington ratio and the luminosity. This proposal is a continuation of a partially approved AO6 proposal. Three sources were approved in priority B, and two of them have been already observed. Very surprisingly, neither of them were detected, indicating they are extremely X-ray weak.

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