SDSS J110012.38+084616.3: A Compton-thick or X-ray weak AGN?

Details SDSS J110012.38+084616.3: A Compton-thick or X-ray weak AGN? SDSS J110012.38+084616.3: A Compton-thick or X-ray weak AGN?

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010xmm..prop..183m&link_type=abstract

XMM-Newton Proposal ID #06743601

Computer Science

Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, Sdss J1100+0846

Scientific paper

The space density of the most powerful absorbed AGN (QSO2) and their contribution to the AGN luminosity output remains uncertain. Many of these objects are severely attenuated, so hard X-ray surveys alone do not fully prove the bulk of the obscured QSO population in the nearby Universe. We propose a 80 ksec XMM-Newton observation of an optically selected QSO2 at z~0.1. Comparing its [OIII] and 2-10 keV luminosities the source is likely a Compton-thick AGN. However, the X-ray spectral analysis seems to indicate that it might be instead Compton thin and X-ray weak. The proposed observations will allow us to unveil the true nature of this source and will give us key information on whether objects such as this are intrinsically different to the QSO2 population detected in hard X-ray surveys.

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