Achernar vs Aldebaran
| Eigenschaft | Achernar | Aldebaran |
|---|---|---|
| Bezeichnung | Alp Eri | 87Alp Tau |
| Sternbild | N/A | Taurus |
| Spektralklasse | Class B — B-type (Blue-White) | Class K — K-type (Orange) |
| Scheinbare Helligkeit | +0.45 | +0.87 |
| Absolute Helligkeit | -2,70 | -0,68 |
| Entfernung | 139 ly | 66.6 ly |
| Masse | N/A | N/A |
| Radius | N/A | N/A |
| Temperatur | N/A | N/A |
| Leuchtkraft | N/A | N/A |