Three-colour photoelectric observations of RT And

Details Three-colour photoelectric observations of RT And Three-colour photoelectric observations of RT And

Nov 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26as...38..187m&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 38, Nov. 1979, p. 187-191. Research supported by the Consiglio Nazionale del

Astronomy and Astrophysics

Astrophysics

12

Eclipsing Binary Stars, Light Curve, Stellar Spectrophotometry, Electrophotometers, Ephemerides, Orbit Calculation, Orbital Elements, Tables (Data)

Scientific paper

Three-color (yellow, blue, ultraviolet) photoelectric photometry of the eclipsing binary RT And on five nights is presented. The period is calculated by taking into account all published times of minima observed since 1962 and two times determined from the present observations. An improved ephemeris is deduced, and the corresponding O-C residuals are computed. The ephemeris obtained is: Hel Min I = 2443732.4498 (+ or - 0.0002) = 0.62892965 (+ or - 0.00000003)E.

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