Absolute Properties of the Eclipsing Binary Star HY Virginis

Details Absolute Properties of the Eclipsing Binary Star HY Virginis Absolute Properties of the Eclipsing Binary Star HY Virginis

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aj....142..185s&link_type=abstract

The Astronomical Journal, Volume 142, Issue 6, article id. 185 (2011).

Astronomy and Astrophysics

Astronomy

Binaries: Eclipsing, Binaries: Spectroscopic, Stars: Fundamental Parameters, Stars: Individual: Hy Vir

Scientific paper

HY Vir is found to be a double-lined F0m+F5 binary star with relatively shallow (0.3 mag) partial eclipses. Previous studies of the system are improved with 7509 differential photometric observations from the URSA WebScope and 8862 from the NFO WebScope, and 68 high-resolution spectroscopic observations from the Tennessee State University 2 m automatic spectroscopic telescope, and the 1 m coudé-feed spectrometer at Kitt Peak National Observatory. Very accurate (better than 0.5%) masses and radii are determined from analysis of the new light curves and radial velocity curves. Theoretical models match the absolute properties of the stars at an age of about 1.35 Gy.

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