An O-C diagram analysis of PV Cassiopeiae

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Apsides, Binary Stars, Eccentric Orbits, Mass Distribution, Orbital Mechanics, Stellar Models, Stellar Spectrophotometry

Scientific paper

Basing on recent and old photoelectric times of minimum, a new slightly
longer period of the apsidal motion for an eclipsing binary PV Cas has
been obtained. A difference between observed and theoretical periods of
the apsidal motion estimated on the base of Claret and Gimenez models
growed up to 30 years is found.

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