Probing the nature of a poorly-studied SXWQ: absorption or intrinsic property?

Details Probing the nature of a poorly-studied SXWQ: absorption or intrinsic property? Probing the nature of a poorly-studied SXWQ: absorption or intrinsic property?

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008xmm..prop...47b&link_type=abstract

XMM-Newton Proposal ID #06018703

Physics

Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, Pg 1700+518, Pg 1700+518, Pg 1700+518

Scientific paper

We propose an XMM exposure of the SXWQ PG1700+518. SXWQs usually show a soft X-ray flux fainter by more than an order of magnitude with respect to normal optically selected QSOs, because of X-ray absorbing winds/nuclear outflows, or peculiar physical states. The SXWQ classification may exhibit a transient behaviour; therefore, monitoring these peculiar objects can provide a unique opportunity to shed light on the accretion flow and nuclear outflows mechanisms in AGN. We aim at investigating the nature of PG1700+518 with sensible pointed observations,checking for any spectral and/or flux variability. With the proposed observation, all the SXWQs in the well-studied PG Bright Quasar survey will be observed at least once by XMM, gathering high quality homogeneous X-ray data for all these sources.

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