AAS 207th Meeting, 8-12 January 2006
Session 114 Massive Binaries
Poster, Wednesday, 9:20am-6:30pm, January 11, 2006, Exhibit Hall

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[114.02] A Search for Quiet Massive X-ray Binaries

M. V. McSwain (Yale University), T. S. Boyajian, E. Grundstrom, D. R. Gies (Georgia State University)

Wind accretion models of the X-ray luminosity in massive X-ray binaries (MXRBs) predict a class of "quiet" MXRBs in which the stellar wind is too weak to power a strong X-ray source. The first two candidates systems, HD 14633 and HD 15137, were recently detected. These O star + neutron star systems were ejected from the open cluster NGC 654, but although they both show evidence of a past supernova within the binary system, neither is a known X-ray emitter. These systems provide a new opportunity to examine the ejection mechanisms responsible for the OB runaway stars, and they can also provide key information about the evolution of spun-up, rejuvenated massive stars. We present here preliminary results from a search for other such quiet MXRBs.

MVM is supported by an NSF Astronomy and Astrophysics Postdoctoral Fellowship under award AST-0401460.

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