Mimosa or Beta Crucis (bāˈtə krōˈsĭs) [key], bright star in the constellation Crux (Southern Cross); 1992 position R.A. 12h47.3m, Dec. - 59°39−. It is sometimes called Becrux, from its Bayer name, analogous to Acrux (Alpha Crucis) and Gacrux (Gamma Crucis). A bluish-white giant of spectral class B0 III, its apparent magnitude of 1.28 makes it one of the 20 brightest stars in the sky. Mimosa's distance is c.500 light-years.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

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