2014
DOI: 10.1086/675408
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Orbital Solutions and Absolute Elements of the Short-Period Eclipsing Binary ES Librae

Abstract: We have obtained new differential UBV photoelectric photometry and radial velocities of both components of the short-period eclipsing binary ES Lib. The system has a circular orbit with a period of 0.883040928 days and is seen at an inclination of 70.1°. With the Wilson-Devinney analysis program, we obtained a simultaneous solution of our photometric and spectroscopic observations that resulted in masses of M 1 ¼ 2:30 AE 0:03 M ⊙ and M 2 ¼ 0:97 AE 0:01 M ⊙ and the equal-volume radii of R 1 ¼ 2:69 AE 0:02 R ⊙ a… Show more

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