Publication details

Eccentric Eclipsing Binary YY Sagittarii

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Authors

WOLF Marek NIARCHOS P.G. GAZEAS K.D. MANIMANIS V.N. KOTKOVÁ Lenka PASCHKE Anton ZEJDA Miloslav

Year of publication 2006
Type Article in Periodical
Magazine / Source Astrophysics and Space Science
MU Faculty or unit

Faculty of Science

Citation
Field Astronomy and astrophysics
Keywords eclipsing binary;eccentric;YY Sgr
Description Seven new precise times of minimum light have been gathered for the triple eccentric eclipsing binary YY Sgr (P = 2d.63, e = 0.16). Its O--C diagram is presented and improved elements of the apsidal motion and the light-time effect are given. We found a new short period of the third body of about 18.5 years in an eccentric orbit (e3 cca 0.4).
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