Rapid apsidal motion in V381 Cassiopeiae

Details Rapid apsidal motion in V381 Cassiopeiae Rapid apsidal motion in V381 Cassiopeiae

Aug 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010newa...15..530w&link_type=abstract

New Astronomy, Volume 15, Issue 6, p. 530-532.

Astronomy and Astrophysics

Astronomy

1

Scientific paper

V381 Cas is a relatively bright and early-type eclipsing binary system. Several new times of its eclipses were measured as part of our long-term observational project of eccentric eclipsing binaries. Based on a current O-C diagram solution, we found for the first time that its orbit is slightly eccentric (e = 0.025) and shows a very rapid apsidal advance with short period of about 20 years only. The relativistic and third body effects are negligible, being about 3% of the total apsidal motion rate.

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