At the edge of an AGN wind: a deep observation of PG 1126-041

Details At the edge of an AGN wind: a deep observation of PG 1126-041 At the edge of an AGN wind: a deep observation of PG 1126-041

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008xmm..prop..169g&link_type=abstract

XMM-Newton Proposal ID #06061501

Physics

Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, Pg 1126 -041

Scientific paper

PG 1126-041 is a low redshift broad absorption line quasar which shows strong X-ray variability both in flux and spectral shape, on timescales of both years and hours. Previous X-ray observations, though limited in S/N, strongly suggest variable warm absorption as the cause of the observed spectral variability. A long (130 ks) and continuous XMM-Newton observation of PG 1126-041 will allow us to accurately measure physical parameters, and their variations with time, like intrinsic continuum luminosity and photon index, warm absorber column density, ionization parameter, covering fraction, and the physical link among them. The combination of the presence of a clear and powerful UV outflow with the variability of the X-ray warm absorber makes PG~1126-041 a unique case study for quasar outflows.

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