Acrux
| Use attributes for filter ! | |
| B−V color index | −0. 26 |
|---|---|
| Radius | 7. 8 R☉ |
| Absolute magnitude (MV) | −3. 77 (−2. 2 + −2. 7) |
| Semi-amplitude (K1) (primary) | 41. 7±1. 2 km/s |
| Constellation | Crux |
| Did you know | The four main stars of the Southern Cross (Crux) are Acrux (Alpha Crucis), bottom; Becrux (Beta Crucis), left; Gacrux (Gamma Crucis), top; and Delta Crucis, right. |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1277825 |
About Acrux
Acrux, designated α Crucis is a multiple star system 321 light-years from the Sun in the constellation of Crux and part of the asterism known as the Southern Cross. With a combined visual magnitude of +0. 76, it is the brightest object in Crux and the 13th brightest star in the night sky.
