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Acrux

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Acrux (ā`krəks) [from the Bayer designation α Crucis], brightest star in the constellation Crux Crux [Lat.,=cross], small but brilliant southern constellation whose four most prominent members form a Latin cross, the famous Southern Cross. The long arm of the cross, terminating in the brightest member, Acrux (Alpha Crucis), points almost directly at the south
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 (Southern Cross); 1992 position R.A. 12h26.2m, Dec. −63°04'. Its apparent magnitude magnitude, in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. A.D.), all visible with the unaided eye, were ranked on a brightness scale such that the brightest stars were of 1st magnitude and the
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 of 0.86 makes it one of the 20 brightest stars in the sky, although its location in the far southern sky prevents it from being seen by most observers in the United States. Acrux is a visual binary star binary star or binary system, pair of stars that are held together by their mutual gravitational attraction and revolve about their common center of mass.
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, with components of spectral classes spectral class, in astronomy, a classification of the stars by their spectrum and luminosity. In 1885, E. C. Pickering began the first extensive attempt to classify the stars spectroscopically.
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 B1 and B3, each component itself being a spectroscopic binary. Its distance is about 370 light-years.
Acrux [′ā‚crəks]
(astronomy)


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Davis reports receiving consulting or lecture fees from several companies, including Acrux Ltd.
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Summary and Key Data Points on the Addiction Market Companies Mentioned: * Acrux * Alkermes * Biotie Therapies * Brookwood Pharmaceuticals * Catalyst Pharma Partners * Celtic Pharmaceuticals * Cephalon * Drug Abuse Sciences * Elbion * Eli Lilly * Forest Laboratories * GlaxoSmithKline * Impax Laboratories * InterveXion Therapeutics * J&J * Janssen-Cilag * Krele Pharma * Merck Serono * Nabi Biopharmaceuticals * Pfizer * Sanofi-Aventis * Somaxon Pharma.
 
 
 
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