A Promising Ultra-High Velocity Outflow in PDS 456

Details A Promising Ultra-High Velocity Outflow in PDS 456 A Promising Ultra-High Velocity Outflow in PDS 456

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006xmm..prop...50b&link_type=abstract

XMM-Newton Proposal ID #05015802

Physics

Active Galactic Nuclei, Quasars, Bl-Lac Objects, X-Ray Background, Pds 456, Pds 456, Xmm-Newton Proposal 05015802

Scientific paper

Although still controversial, ultra-high velocity outflows (UHVOs defined loosely by velocities exceeding 10,000 km/s) in AGNs are potentially the most exciting new discovery in AGN physics of the XMM-Newton and Chandra era. The luminous quasar PDS 456 is the brightest X-ray source among the grating-detected UHVOs. We propose to obtain the best yet high-resolution spectrum of a UHVO source. Using RGS for the soft X-ray band and EPIC for the Fe-K spectral region, we aim at measuring the UHVO velocity, column density, and thus its mass outflow rate and kinetic luminosity. Presently, the XMM-Newton/RGS with its high effective area is the only viable configuration that can guarantee the high S/N spectrum required for this study.

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