Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.3301m&link_type=abstract
American Astronomical Society, AAS Meeting #211, #33.01; Bulletin of the American Astronomical Society, Vol. 39, p.785
Astronomy and Astrophysics
Astronomy
Scientific paper
We are conducting a spectroscopic survey of bright near-infrared counterparts to X-ray point sources discovered in a new, deep wide-field Chandra survey of the inner 2°×0.8° of the Galaxy. Currently, the search has unveiled 13 Wolf-Rayet/O counterparts to the X-ray population, more than tripling the number of massive X-ray-emitting stars known to exist outside of the well known Arches, Quintuplet, and SgrA* stellar clusters. Their evolutionary status spans the range of post-main-sequence evolution for massive stars including OIa, and nitrogen- and carbon-type Wolf-Rayet stars. Their X-ray and infrared properties indicate they are binaries, where the X-ray emission arises in a colliding-wind shock. I will discuss the IR and X-ray characteristics, and their spatial distribution with respect to known and new sites of massive star activity in the Galactic center.
Mauerhan Jon
Morris Marita
Muno Michael
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