Massive Eclipsing Binary Stars

Details Massive Eclipsing Binary Stars Massive Eclipsing Binary Stars

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010noao.prop..152g&link_type=abstract

NOAO Proposal ID #2010A-0152

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Scientific paper

Massive stars are rare objects in the Galaxy and there are only a small number of O-stars known in those favored eclipsing binaries, the gold standard for mass and radius determinations. Recently a significant number of new massive eclipsing binaries have been revealed through all sky photometric studies, and our goal here is to obtain high quality radial velocity curves for seven systems of particular interest using the CTIO 1.5 m and Bench Mounted Echelle spectrograph. The joint spectroscopic and photometric analysis will yield masses, radii, and other physical properties for the component stars, and these in turn will provide key benchmarks for comparison with stellar evolutionary codes.

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