Abstract
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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Dariush, A., Mosleh, M. & Dariush, D. Apsidal Motion Study of the Eclipsing Binary Star V459 Cas. Astrophys Space Sci 305, 85–90 (2006). https://doi.org/10.1007/s10509-006-9064-5
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DOI: https://doi.org/10.1007/s10509-006-9064-5