Unraveling the accretion structure of the double-peaked emitter SDSS J2125-0813

Details Unraveling the accretion structure of the double-peaked emitter SDSS J2125-0813 Unraveling the accretion structure of the double-peaked emitter SDSS J2125-0813

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007cxo..prop.2421s&link_type=abstract

Chandra Proposal ID #09700219

Physics

Chandra Proposal Id #09700219

Scientific paper

We propose to obtain a 40ks X-ray spectrum of SDSSJ2125-0813 -- the most luminous (L[2-10keV]=6.4E+44ergs/s) radio-quiet quasar that shows signs of accretion-disk emission in the optical. A short exploratory Chandra observation of this object revealed tentative evidence for an unusually strong, ionized, broad Fe Ka line combined with little or no intrinsic absorption. The proposed Chandra observation will confirm or refute the presence of a relativistic Fe Ka line, the first such line to be detected in a double-peaked emitter. Alternatively, the detection of a strong narrow line will provide a rare example of strong Fe Ka emission in an active galaxy with quasar-like luminosity.

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