Rotanev (β Delphini) is a binary star in the constellation Delphinus. With an apparent magnitude of 3.63 mag, β Delphini is brighter than α Delphini (3.77 mag), making it the brightest star in the constellation Delphinus. It is located at a distance of about 100 light-years (ly).
| Rotanev | |
|---|---|
| Constellation | Delphinus |
| Right ascension | 20h 37m 32.94s |
| Declination | +14° 35′ 42.3″ |
| Apparent magnitude | 3.63 mag |
| Distance | (101 ± 2) ly |
| Bayer designation | β Delphini |
| Bright Star Catalogue | HR 7882 |
| Hipparcos Catalogue | HIP 101769 |
| SAO Catalogue | SAO 106316 |
