Photoelectric UBV light curves of the eclipsing binary RY Scuti

Details Photoelectric UBV light curves of the eclipsing binary RY Scuti Photoelectric UBV light curves of the eclipsing binary RY Scuti

Aug 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26as...41..143c&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 41, Aug. 1980, p. 143-149. Research supported by the Consiglio Nazionale del

Astronomy and Astrophysics

Astrophysics

12

Eclipsing Binary Stars, Light Curve, Stellar Spectrophotometry, Ubv Spectra, Electrophotometers, Ephemerides, Radial Velocity, Stellar Mass

Scientific paper

The eclipsing binary RY Scuti has been observed in the U, B, V photoelectric system, and two linear ephemerides have been computed, one for all the observed times of minima and the other ranging from the epochs J.D. 2426176.75 to J.D. 2443698.43. A large scatter is found to be present in the light curves, and their morphology shows a strong resemblance to those of the Beta Lyrae type. The UBV observations are presented, including the phase and the differential magnitude (variable minus comparison star) in each color. In addition, a test of the primary minimum for asymmetry showed an anomalous trend in the branches.

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