The Quiet HMXB Candidate HD 15137

Details The Quiet HMXB Candidate HD 15137 The Quiet HMXB Candidate HD 15137

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009xmm..prop...21m&link_type=abstract

XMM-Newton Proposal ID #06506201

Astronomy and Astrophysics

Astronomy

Stars, White Dwarfs, Solar System, Hd 15137

Scientific paper

HD 15137 is an intriguing runaway O-type binary that offers a rare opportunity to explore the mechanism by which it was ejected from the open cluster of its birth. All of the evidence from optical spectra points to a compact companion in this system - except for the lack of hard X-ray emission detected from the system. HD 15137 is therefore a "quiet" HMXB candidate, too widely separated for the neutron star to accrete a significant mass of stellar winds and be detected as an X-ray binary. Therefore we propose observations with XMM-Newton, to occur at the time of periastron, that will detect the hard power law spectrum from a weakly accreting neutron star and reveal the evolutionary history of HD 15137.

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