Physics
Scientific paper
Mar 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop..230l&link_type=abstract
XMM-Newton Proposal ID #02043101
Physics
Phl 1811, Xmm-Newton Proposal 02043101
Scientific paper
Followup spectroscopy of VLA FIRST survey quasar candidates discovered a very bright quasar in the South Galactic Cap. Strangely, this quasar was not detected in the ROSAT All Sky Survey. Followup coordinated HST and Chandra observations showed that it is intrinsically very X-ray weak, pointing to unusual and extreme conditions in the X-ray emitting corona. We propose an XMM-Newton observation of this unusual quasar to study the spectrum of an intrinsically X-ray weak object, to potentially confirm rapid X-ray variability tentatively identified in the Chandra observation in this very luminous quasar, and to monitor its X-ray state.
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