Investigating the peculiar X-ray spectral properties of the NLQ PG 1543+489

Details Investigating the peculiar X-ray spectral properties of the NLQ PG 1543+489 Investigating the peculiar X-ray spectral properties of the NLQ PG 1543+489

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006xmm..prop..182v&link_type=abstract

XMM-Newton Proposal ID #05050503

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Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, Pg 1543+489, Pg 1543+489, Pg 1543+489, Xmm-Newton Proposal 05050503

Scientific paper

We propose a 60 ks observation of the narrow-line QSO PG 1543+489 at z=0.40. The source is characterized by peculiar properties: the [OIII]5007A emission line shows the most extreme value of blueshift among AGN and a blue asymmetry in its profile, indicative of an outflow. This outflow can be related to the high accretion rate of the QSO, as suggested by the presence of an ultra-steep (Gamma=2.8) X-ray slope in a previous short XMM-Newton observation. The same observation revealed the presence of a relativistic iron K alpha line, whose detailed analysis was however limited by the poor photon statistics. The large EW of the line (2-3.9 keV) suggests the presence of light-bending effects or amplification by micro-lensing, which can be tested only with a longer XMM-Newton exposure.

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