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Beta Hydrae
Beta Hydrae (Beta Hya, β Hydrae, β Hya) is a double star in the constellation of Hydra.〔 Its overall apparent visual magnitude varies by 0.04 magnitudes with a period of 2.344 days, and is approximately 4.27 at maximum brightness.〔bet Hya, database entry, (The combined table of GCVS Vols I-III and NL 67-78 with improved coordinates, General Catalogue of Variable Stars ), Sternberg Astronomical Institute, Moscow, Russia. Accessed on line September 23, 2008.〕 The brighter star in the double is a giant Bp star which has been classified as an α2 Canum Venaticorum variable.〔〔 Beta Hydrae was a latter designation of 28 Crateris. ==References==
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