Absolute Parameters of Five Eclipsing Binaries in the Large Magellanic Cloud

Details Absolute Parameters of Five Eclipsing Binaries in the Large Magellanic Cloud Absolute Parameters of Five Eclipsing Binaries in the Large Magellanic Cloud

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aspc..435..401g&link_type=abstract

Binaries - Key to Comprehension of the Universe. Proceedings of a conference held June 8-12, 2009 in Brno, Czech Republic. Edite

Astronomy and Astrophysics

Astronomy

Scientific paper

We present a simultaneous spectroscopic-photometric analysis of five eclipsing binaries in the LMC, combining new high-resolution spectroscopic observations and published light curves. Absolute masses and radii are derived for the ten stellar components. The object MACHO 82.9010.36 is a spectroscopic triple system. The binaries 78.6708.115 and 82.9130.25 are eccentric systems showing apsidal motion due to tidal forces. The obtained stellar parameters and apsidal motion rate are confronted with stellar models.

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