Unukalhai (α Serpentis) is a triple star approximately 70 light-years (ly) away in the constellation Serpens.
α Serpentis A has an apparent magnitude of 2.6 mag. 58 arc seconds away lies α Serpentis B with an apparent magnitude of 11.8 mag. α Serpentis C is 2.3 arc minutes from A.
| Unukalhai | |
|---|---|
| Constellation | Serpens |
| Right ascension | 15h 44m 16.08s |
| Declination | +06° 25′ 32.3″ |
| Apparent magnitude | 2.63 mag |
| Distance | (74.0 ± 0.3) ly |
| Bayer designation | α Serpentis |
| Bright Star Catalogue | HR 5854 |
| Hipparcos Catalogue | HIP 77070 |
| SAO Catalogue | SAO 121157 |
