Unveiling obscured accretion: The XMM-Newton view of IR selected SWIRE QSO2s

Details Unveiling obscured accretion: The XMM-Newton view of IR selected SWIRE QSO2s Unveiling obscured accretion: The XMM-Newton view of IR selected SWIRE QSO2s

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008xmm..prop..167f&link_type=abstract

XMM-Newton Proposal ID #06060301

Physics

Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, Swirej105604.84

Scientific paper

Highly Obscure (CT) QSOs are expected to be as numerous as unobscured QSOs at high z. However, these elusive AGN are rare in even the deepest X-ray surveys. The selection criteria based on Mid-Ir and Optical colors is successfull to pin-point many candidate CT QSOs. We selected a sample of 3 candidates obscured QSOs by making use of multiwavelength data available in the SWIRE survey on 30 deg2, requiring extreme values of the Mid-IR/Optical flux ratio and bright 24 mum fluxes. We propose XMM-Newton observations for these 3 extreme sources. By joining this sample to the CDFs and COSMOS samples we will be able to determine the evolution of the obscured AGN population at high z.

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