XMM-Newton Proposal 02004806

Details XMM-Newton Proposal 02004806 XMM-Newton Proposal 02004806

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop...23v&link_type=abstract

XMM-Newton Proposal ID #02004806

Computer Science

Rx J0228-40, Rx J1046+52, Sdss J011357.93-011, Sdss J023057.39-010, Sdss J173404.85+542, Xmm-Newton Proposal 02004806

Scientific paper

Ultrasoft, narrow-line Seyfert 1s represent one extreme of activity in Active Galactic Nuclei (AGN). However, their high-luminosity counterparts, the ultrasoft/narrow-line quasars, have received little attention, largely due to a paucity of targets. Here we propose to rectify this situation with XMM observations of six luminous, narrow-line quasars at z~0.5. We will determine the shape of the X-ray continuum and compare this to both the lower-luminosity ultrasoft objects and ``normal'' quasars of comparable luminosity. We will search for rapid variability, common in lower luminosity objects, and perhaps the clearest indicator of extreme activity in the nucleus.

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