Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21541933c&link_type=abstract
American Astronomical Society, AAS Meeting #215, #419.33; Bulletin of the American Astronomical Society, Vol. 42, p.282
Astronomy and Astrophysics
Astronomy
Scientific paper
ES Librae is a 7th magnitude, semi-detached eclipsing binary system with a 21-hour period. We present new UBV differential photometry as well as new radial velocity measurements. The three light curves, radial velocities, and previously published data were solved simultaneously using the Wilson-Devinney program to establish the definitive solution of the system. We determine orbital elements and absolute dimensions including the masses, radii, and temperatures, and we also investigate period changes based on previously published times of minima.
Cabrera Nicole
Coughlin Jeffrey L.
Sowell James R.
Williamon Richard M.
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