X-ray characterization of INTEGRAL Cataclysmic Variable candidates

Details X-ray characterization of INTEGRAL Cataclysmic Variable candidates X-ray characterization of INTEGRAL Cataclysmic Variable candidates

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008xmm..prop...32d&link_type=abstract

XMM-Newton Proposal ID #06012705

Physics

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, V2069 Cyg, Igr J17195-4100, Igr J18173-2509, Igr J16500-3307, Igr J18308-1232

Scientific paper

From INTEGRAL and Swift surveys a significant fraction of hard X-ray sources were found to be magnetic Cataclysmic Variables(CVs) of the Intermediate Polar (IP) type. Optical follow-ups of ~100 unidentified INTEGRAL sources show that ~15% of the new detections have magnetic CV-like spectra. A timely question is whether IPs provide an important contribution to the hard X-ray sky and hence still represent a hidden population of galactic X-ray sources. We propose to continue our identification programme of newly discovered CVs, which are strong magnetic candidates. The detection of X-ray pulses and the study of their broad band X-ray spectra will allow a firm identification of their nature and will provide further insights in physics of this emerging class of accreting compact objects.

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