Alpha Crucis


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Related to Alpha Crucis: Beta Crucis, Acrux

Alpha Crucis

(ăl`fə kro͞o`sĭs): see AcruxAcrux
[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.
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Alpha Crucis

(kroo -sis) (Acrux; α Cru) A conspicuous white star that is the brightest in the constellation Crux. It is a visual binary (separation 4″), both components being spectroscopic binaries. Alpha (α) and Gamma (γ) Crucis point towards the south celestial pole. mv : 1.3 (A), 1.7 (B), 0.76 (AB); Mv : –4.2 (A), 3.2 (B); spectral type: B1 IV (A), B1 V (B); distance: 160 pc.