Obscured Massive Stellar X-ray Sources in the Galactic Plane

Details Obscured Massive Stellar X-ray Sources in the Galactic Plane Obscured Massive Stellar X-ray Sources in the Galactic Plane

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010noao.prop..384m&link_type=abstract

NOAO Proposal ID #2010A-0384

Physics

Scientific paper

Massive binaries (colliding-wind binaries and high-mass X-ray binaries) provide insight into the birth, evolution and death of massive stars; the physics of supersonic wind-collision and accretion; and the physics of ultra-dense matter (neutron stars and black holes). We have cross-correlated ~20,000 X-ray sources from the Chandra and XMM catalogs of the Galactic plane with a sample of candidate massive stars from the 2MASS+Spitzer/GLIMPSE catalog; 54 highly reddened sources have emerged from our cross-correlation, 30 of which lie at southern declinations. We propose to use SOAR/OSIRIS to determine the spectral types of these stars, so we can determine the origin of the high-energy emission, and evolutionary status of these objects. Once confirmed, new massive X-ray binaries will become targets for future multi-wavelength observations to determine their orbital periods and system mass-functions.

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