Definitive Observations of an Accretion Disk Wind in the Quasar MR 2251-178

Details Definitive Observations of an Accretion Disk Wind in the Quasar MR 2251-178 Definitive Observations of an Accretion Disk Wind in the Quasar MR 2251-178

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010xmm..prop....7r&link_type=abstract

XMM-Newton Proposal ID #06701201

Computer Science

Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, Mr 2251-178

Scientific paper

The bright, nearby QSO MR 2251-178 was the first AGN where a warm absorber was detected. Subsequent observations have shown that there are at least two warm absorber components in MR 2251-178; a low ionisation soft X-ray absorber and a putative high velocity (0.07c) wind. We propose a deep (336 ks total) observation of MR 2251-178 in order to determine the origin of the outflow. Our goals are; (i) to establish the nature of the high ionisation absorber, e.g. as part of an accretion disk wind, through high S/N observations in the iron K band with EPIC and (ii) obtain a high resolution RGS spectrum of the soft X-ray absorber. Together with our recently approved large Chandra/HST project, this will allow us to deduce the kinematics, location and energetics of the outflow to unprecedented accuracy.

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