Achernar vs Alnitak
| Eigenschaft | Achernar | Alnitak |
|---|---|---|
| Bezeichnung | Alp Eri | 50Zet Ori |
| Sternbild | N/A | Orion |
| Spektralklasse | Class B — B-type (Blue-White) | Class O — O-type (Blue) |
| Scheinbare Helligkeit | +0.45 | +1.74 |
| Absolute Helligkeit | -2,70 | -5,03 |
| Entfernung | 139 ly | 736 ly |
| Masse | N/A | N/A |
| Radius | N/A | N/A |
| Temperatur | N/A | N/A |
| Leuchtkraft | N/A | N/A |