Photoelectric observations of the peculiar variable V 389 Cygni

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Binary Stars, Electrophotometry, Stellar Spectrophotometry, Variable Stars, Radial Velocity, Velocity Measurement

Scientific paper

Results are reported for two-color (B and V) photoelectric photometry of the peculiar variable triple system V389 Cyg (= HD 201433). The total range of the light variation is determined to be of the order of 0.16 mag in V, and the (B-V) variation is shown to be only marginal. No significant periods are found in the data, nor is any correlation with the 154-day orbital period discerned.

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