Achernar vs Betelgeuse
| Property | Achernar | Betelgeuse |
|---|---|---|
| Designation | Alp Eri | 58Alp Ori |
| Constellation | N/A | Orion |
| Spectral Class | Class B — B-type (Blue-White) | Class M — M-type (Red) |
| Apparent Magnitude | +0.45 | +0.45 |
| Absolute Magnitude | -2.70 | -5.47 |
| Distance | 139 ly | 498 ly |
| Mass | N/A | N/A |
| Radius | N/A | N/A |
| Temperature | N/A | N/A |
| Luminosity | N/A | N/A |