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D. Terrell (SwRI), U. Munari (Astronomical Observatory of Padova), T. Zwitter (University of Ljubljana), G. Wolf (SW Missouri State University)
We have begun a project to gather modern data on early-type overcontact binaries, systems about which very little is known. These systems consist of O, B and A-type stars that are in physical contact with one another, similar to their late-type cousins the W UMa systems. We are obtaining high resolution (R ~ 50,000) spectra to anaylze simultaneously with high precision photometry. Here we report on the first combined photometric and spectroscopic study of MP Centauri.
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Bulletin of the American Astronomical Society, 35#5
© 2003. The American Astronomical Soceity.