Hβ photometry for UVBY standard stars
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1988
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Amer. Inst. Physics
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Abstract
From 1984 to 1986 the authors made several observational campaigns at Calar Alto and La Palma Observatories using the uvby and β photometric systems to monitor a selected sample of late-type variable stars. In this paper they present the β values for 38 uvby standard stars to contribute to the uvby-β calibration works on late-type stars. In the final discussion, the β computed values are plotted against the Stroemgren b-y, m_(1), and c_(1) indices.
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© ESO 1988. The JKT on the island of La Palma and the 1.5 m Telescope at Calar Alto are operated, respectively, by the Royal Greenwich Observatory at the Spanish Roque de los Muchachos Observatory (Instituto de Astrofísica de Canarias), and Observatorio Astronómico Nacional at the Spanish Calar Alto Observatory (Almería). We want to express our gratitude to the staffs of the observatories for their help during the observational campaigns. This work has been supported by the Spanish Comisión Asesora de Investigación Científica y Técnica (CAICYT No. 2254/83 and No. 3455/83).