Achernar vs Régulo
| Propriedade | Achernar | Régulo |
|---|---|---|
| Designação | Alp Eri | 32Alp Leo |
| Constelação | N/A | Leo |
| Classe Espectral | Class B — B-type (Blue-White) | Class B — B-type (Blue-White) |
| Magnitude Aparente | +0.45 | +1.36 |
| Magnitude Absoluta | -2,70 | -0,57 |
| Distância | 139 ly | 79.3 ly |
| Massa | N/A | N/A |
| Raio | N/A | N/A |
| Temperatura | N/A | N/A |
| Luminosidade | N/A | N/A |
Principais Diferenças
- ◆ Both are rapidly rotating hot stars that are noticeably oblate due to centrifugal force.
- ◆ Achernar's equatorial diameter is 56% larger than its polar diameter — the flattest bright star known.
- ◆ Achernar is a B-type star at ~14,500 K; Regulus is also B-type at ~12,460 K.
- ◆ Achernar is in Eridanus at 139 light-years; Regulus is in Leo at 79 light-years.
- ◆ Regulus sits almost exactly on the ecliptic and is frequently occulted by the Moon.