Acrux

(Alpha Crucis) The twelfth brightest star in the sky, the southernmost first magnitude star, and the brightest and southernmost star in Crux. Acrux is a multiple system. A moderate telescope shows two similar B stars separated by 4 arc-seconds. Alpha1
Found on http://www.daviddarling.info/encyclopedia/A/Acrux.html

Acrux

Acrux (ā'kruks) [from the Bayer designation α Crucis], brightest star in the constellation Crux (Southern Cross); 1992 position R.A. 12h26.2m, Dec. -63°04'. Its apparent magnitude of 0.86 makes it one of the 20 brightest stars in the sky, although its location in the far sout...
Found on http://www.infoplease.com/ce6/sci/A0802370.html

Acrux

Brightest star in the constellation of Crux, marking one of the four points of the Southern Cross, and the 13th-brightest star in the night sky. It is a double star comprising two blue-white stars, and is 360 light years away from the Sun. Together with nearby Gacrux, it points towards the south celestial pole
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0089637.html
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