Resumo

GUROL, Birol; MICHEL, Raúl  e  GONZALEZ, Chantal. LX Leo: A High Mass-Ratio Totally Eclipsing W-type W UMa System. Rev. mex. astron. astrofis [online]. 2017, vol.53, n.2, 00002.  Epub 21-Out-2019. ISSN 0185-1101.

We present the results of our investigation of the geometrical and physical parameters of the binary system LX Leo. Based on CCD BV Rc light curves, and their analyses with the Wilson-Devinney code, new times of minima and light elements have been determined. According to our solution, the system is a high mass-ratio, totally eclipsing, W-type W UMa system. Combining our photometric solution with the empirical relation for W UMa type systems by Dimitrow & Kjurkchieva (2015), we derived the masses and radii of the components to be M1 = 0.43M⊙, M2 = 0.81M⊙, R1 = 0.58R⊙ and R2 = 0.77R⊙. In addition, the evolutionary condition of the system is discussed.

Palavras-chave : binaries; eclipsing; stars; individual (LX Leo); techniques; photometric.

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