Achernar (α Eridani) is the brightest star in the constellation Eridanus and the ninth brightest star in the sky.
It is so far south that it cannot be seen from Europe. It can be seen southern from 32 degrees north latitude.
| Achernar | |
|---|---|
| Constellation | Eridanus |
| Right ascension | 01h 37m 42.85s |
| Declination | -57° 14′ 12.3″ |
| Apparent magnitude | 0.45 mag |
| Distance | (139 ± 3) ly |
| Bayer designation | α Eridani |
| Bright Star Catalogue | HR 472 |
| Hipparcos Catalogue | HIP 7588 |
| SAO Catalogue | SAO 232481 |
