Aldebarã vs Antares
| Propriedade | Aldebarã | Antares |
|---|---|---|
| Designação | 87Alp Tau | 21Alp Sco |
| Constelação | Taurus | Scorpius |
| Classe Espectral | Class K — K-type (Orange) | Class M — M-type (Red) |
| Magnitude Aparente | +0.87 | +1.06 |
| Magnitude Absoluta | -0,68 | -5,09 |
| Distância | 66.6 ly | 554 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 prominent red giant/supergiant stars that appear orange-red in the sky and are often compared.
- ◆ Antares is a true red supergiant at ~680 R☉; Aldebaran is a more modest orange giant at ~44 R☉.
- ◆ Antares is about 604 light-years away; Aldebaran is much closer at ~65 light-years.
- ◆ Antares is a supernova candidate; Aldebaran is not massive enough to end as a supernova.
- ◆ Aldebaran appears to be in the Hyades cluster but is actually an unrelated foreground star.