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Absolute dimensions of the metallic-line eclipsing binary V501 Monocerotis
Guillermo Torres, Claud H. Sandberg Lacy, Kresimir Pavlovski +2
We report extensive high-resolution spectroscopic observations and V-band differential photometry of the slightly eccentric 7.02-day detached eclipsing binary V501 Mon (A6m+F0), wh…
Detecting the Companions and Ellipsoidal Variations of RS CVn Primaries: II. omicron Draconis, a Candidate for Recent Low-Mass Companion Ingestion
Rachael M. Roettenbacher, John D. Monnier, Francis C. Fekel +14
To measure the stellar and orbital properties of the metal-poor RS CVn binary o Draconis (o Dra), we directly detect the companion using interferometric observations obtained with…
Predicting alpha Comae Berenices Time of Eclipse II: How 3 Faulty Measurements Out of 609 Caused A 26 Year Binary's Eclipse To Be Missed
Matthew W. Muterspaugh, M. J. P. Wijngaarden, H. F. Henrichs +3
The dwarf stars in the 26 year period binary alpha Com were predicted to eclipse each other in early 2015. That prediction was based on an orbit model made with over 600 astrometri…