Achernar vs 18 Delphini
| Propiedad | Achernar | 18 Delphini |
|---|---|---|
| Designación | Alp Eri | 18 Del |
| Constelación | N/A | N/A |
| Clase Espectral | Class B — B-type (Blue-White) | Class G — G-type (Yellow) |
| Magnitud Aparente | +0.45 | +5.51 |
| Magnitud Absoluta | -2,70 | 1,13 |
| Distancia | 139 ly | 246 ly |
| Masa | N/A | N/A |
| Radio | N/A | N/A |
| Temperatura | N/A | N/A |
| Luminosidad | N/A | N/A |