Alnair (α Gruis) is the brightest star in the constellation Grus in the southern sky. It is about 100 light-years (ly) away and has an apparent magnitude of 1.7 mag, making it one of the 50 brightest stars in the night sky.
| Alnair | |
|---|---|
| Constellation | Grus |
| Right ascension | 22h 08m 13.99s |
| Declination | -46° 57′ 39.5″ |
| Apparent magnitude | 1.7 mag |
| Distance | (101.4 ± 2.6) ly |
| Bayer designation | α Gruis |
| Bright Star Catalogue | HR 8425 |
| Hipparcos Catalogue | HIP 109268 |
| SAO Catalogue | SAO 230992 |
