Unveiling the underlying nature of the new class of HMXBs discovered by INTEGRAL

Details Unveiling the underlying nature of the new class of HMXBs discovered by INTEGRAL Unveiling the underlying nature of the new class of HMXBs discovered by INTEGRAL

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005xmm..prop..224d&link_type=abstract

XMM-Newton Proposal ID #04061403

Computer Science

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, Igr J17091-3624, Igr J18483-0311, Igr J11215-5952, Xmm-Newton Proposal 04061403

Scientific paper

Of the 200+ galactic sources observed by INTEGRAL a consistent fraction of the point sources have not been associated with previously indentified objects. Follow up studies have identified that a significant number of these sources are highly obscured, HMXBs with a neutron star companion. Understanding the detailed mechanics of these systems and their place in the general picture of binary star evolution are the dual objectives of this proposal. We request observing time to exploit the powerful spectroscopic, imaging and timing capabilitie of XMM to find counterparts for 7 unidentified, persistent INTEGRAL sources discovered by the IBIS/ISGRI instrument, which are clustered in the Crux spiral arm tangent and are HMXB candidates. Thus identify the nature of the underlying system.

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