CI Cam: A Local Analog to Heavily Obscured AGN?

Details CI Cam: A Local Analog to Heavily Obscured AGN? CI Cam: A Local Analog to Heavily Obscured AGN?

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009cfdd.confe.104g&link_type=abstract

Chandra's First Decade of Discovery, Proceedings of the conference held 22-25 September, 2009 in Boston, MA. Edited by Scott Wo

Computer Science

Compact Objects

Scientific paper

CI Cam = XTE J04210+560 is an X-ray transient consisting of a supergiant B[e] star and a compact (black hole or neutron star) companion. In 1998 it underwent a 2 Crab x-ray outburst along with a 1 Jy radio outburst. Even in quiescence, it remains relatively bright at ˜10^{-12} erg/cm^2/sec (2-10 keV). The X-ray spectrum bears strong similarities to those of obscured AGN in that it is heavily absorbed and shows a strong Fe-Kalpha line (reaching ˜1keV equivalent width!). Unlike AGN, a dusty torus around CI Cam can be spatially resolved with IR interferometry, and comparison of this to the radio maps sheds light on the dynamics of the outburst. We report on XMM-Newton observations during quiescence which allow Fe-Kalpha reverberation mapping and an analysis of the quiescent spectrum.

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