Keywords
Eclipsing Binary Stars
Electrophotometry
Ephemeris Time
Stellar Orbits
Variable Stars
Stellar Magnitude
Stellar Spectrophotometry
Astrophysics
W UMa Stars: Period Changes
W UMa Stars: Periods
W UMa Stars: Light Curves
W UMa Stars: Photometry
W UMa Stars: Ephemerides
Electrophotometry
Ephemeris Time
Stellar Orbits
Variable Stars
Stellar Magnitude
Stellar Spectrophotometry
Astrophysics
W UMa Stars: Period Changes
W UMa Stars: Periods
W UMa Stars: Light Curves
W UMa Stars: Photometry
W UMa Stars: Ephemerides
How to Cite
Period variation determination of the W UMa type star V502 Oph. (1989). Revista Mexicana De Astronomía Y Astrofísica, 17(1), 97-101. https://astronomia.unam.mx/journals/rmxaa/article/view/1989rmxaa..17...97h
Abstract
Recent photoelectric photometry data of the W UMa system V502 Oph are reported. From the times of minima found in the literature and that obtained in the present paper, a quadratic ephemeris is calculated, implying a continuous change in the period of -1.64 s/century.Similar Articles
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