Apsidal Motion Study of the Eclipsing Binary Star V459 Cas

Details Apsidal Motion Study of the Eclipsing Binary Star V459 Cas Apsidal Motion Study of the Eclipsing Binary Star V459 Cas

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ap%26ss.305...85d&link_type=abstract

Astrophysics and Space Science, Volume 305, Issue 1, pp.85-90

Astronomy and Astrophysics

Astrophysics

1

Stars: Eclipsing Binary, Stars: Apsidal Motion, V459 Cas [12Pt]

Scientific paper

Photometric observation of the eccentric eclipsing binary V459 Cas (e = 0.0244) was performed to find a new rate of apsidal motion. Also the advance of the periastron is calculated theoretically by taking into account the Newtonian (classical) and general-relativistic effects according to physical and orbital parameters of the system. A new observed rate of apsidal motion of 19∘.8/100 yr is computed which is not in agreement with the one reported earlier. Meanwhile a theoretical value of 2∘.64/100 yr is obtained which is 7.49 times smaller than the observed one.

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