Achernar vs Atlas
| Propiedad | Achernar | Atlas |
|---|---|---|
| Designación | Alp Eri | 27 Tau |
| Constelación | N/A | Taurus |
| Clase Espectral | Class B — B-type (Blue-White) | Class B — B-type (Blue-White) |
| Magnitud Aparente | +0.45 | +3.62 |
| Magnitud Absoluta | -2,70 | -1,72 |
| Distancia | 139 ly | 382 ly |
| Masa | N/A | N/A |
| Radio | N/A | N/A |
| Temperatura | N/A | N/A |
| Luminosidad | N/A | N/A |