BG Crucis

BG Crucis is a star in the constellation Crux. A Cepheid variable, its apparent magnitude ranges from 5.34 to 5.58 over 3.3428 days. It is a yellow-white supergiant that pulsates between spectral types F5Ib and G0p. ...
Found on http://en.wikipedia.org/wiki/BG_Crucis
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