The Unique Triple System V577 Oph. 20 Years of Observations

Details The Unique Triple System V577 Oph. 20 Years of Observations The Unique Triple System V577 Oph. 20 Years of Observations

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aspc..435..323v&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

The eclipsing binary V577 Oph (F0V+F1V, V = 10.98, P = 6d.08, e = 0.2) is of great interest due to pulsating nature of its primary component (Volkov 1990). The deep eclipses (see Fig. 1) allow one to derive the absolute parameters of the stars with high precision. The rate of apsidal motion, could provide us with valuable information about the internal structure of the pulsating component.

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