Achernar vs Barnards Pfeilstern
| Eigenschaft | Achernar | Barnards Pfeilstern |
|---|---|---|
| Bezeichnung | Alp Eri | N/A |
| Sternbild | N/A | N/A |
| Spektralklasse | Class B — B-type (Blue-White) | N/A |
| Scheinbare Helligkeit | +0.45 | +9.54 |
| Absolute Helligkeit | -2,70 | 13,24 |
| Entfernung | 139 ly | 6.0 ly |
| Masse | N/A | N/A |
| Radius | N/A | N/A |
| Temperatur | N/A | N/A |
| Leuchtkraft | N/A | N/A |