0.76
Apparent Mag320
Distance (ly)B0.5IV
Spectral Type28,000
Temperature (K)Acrux is the brightest star in Crux (the Southern Cross) and the thirteenth-brightest in the night sky. It is a multiple star system dominated by two hot blue-white components.
Stellar Data
Apparent Magnitude0.76
Absolute Magnitude-4.19
Distance320 light-years
Spectral TypeB0.5IV
Temperature28,000 K
Luminosity25,000 L☉
Radius7.8 R☉
Mass17.8 M☉
Right Ascension12h 26m 35.9s
Declination-63° 05′ 56.7″
ConstellationCrux
Notable Facts
- Acrux appears on the flags of Australia, New Zealand, Papua New Guinea, Samoa, and Brazil
- It is a multiple star system with at least six components
- The name is a contraction of Alpha Crucis