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The Eccentric Eclipsing Binary V889 Aquilae

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Abstract

Several new times of minimum light recorded with photoelectric or CCD means have been gathered for the eccentric eclipsing binary V889 Aql (P = 11.1 days, e = 0.37). Its O-C diagram is presented, and improved elements of the apsidal motion and the light-time effect (LITE) are given. We found a long apsidal motion period of about 24 400 ± 2400 years and a period of the third body of about 52 ± 2 years.

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© 2005 Springer

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Wolf, M., Diethelm, R., Zejda, M. (2005). The Eccentric Eclipsing Binary V889 Aquilae. In: Drechsel, H., Zejda, M. (eds) Zdeněk Kopal’s Binary Star Legacy. Springer, Dordrecht. https://doi.org/10.1007/1-4020-3875-5_11

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