a Period Study of the Close Binary V651 Cassiopeiae

Details a Period Study of the Close Binary V651 Cassiopeiae a Period Study of the Close Binary V651 Cassiopeiae

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000jass...17..180k&link_type=abstract

Journal of Astronomy and Space Sciences, vol. 17, no. 2, p. 173-180

Astronomy and Astrophysics

Astronomy

Stars, Close Binaries, Period Variation

Scientific paper

All times of minimum light of V651 Cas, which is still less studied so far, were analyzed. From our analysis, it was found that the orbital period of the system may have varied in a periodic manner. After assuming that the period change is produced by the light-time effect due to a third body in the system, attempts to derive the orbital elements of the light-time orbit were made. The resultant values for the period, semi-amplitude, and eccentricity of the light-time orbit were 6.y25, 0.d0013, and 0.77, respectively. The future observations of times of minimum light of V651 Cas are needed to confirm the existence of the third body we suggested in this paper.

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