Antares vs Betelgeuse
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| Property | Antares | Betelgeuse |
|---|---|---|
| Penunjukan | 21Alp Sco | 58Alp Ori |
| Rasi Bintang | Scorpius | Orion |
| Kelas Spektral | Class M — M-type (Red) | Class M — M-type (Red) |
| Magnitudo Semu | +1.06 | +0.45 |
| Magnitudo Mutlak | -5.09 | -5.47 |
| Jarak | 554 ly | 498 ly |
| Massa | N/A | N/A |
| Radius | N/A | N/A |
| Suhu | N/A | N/A |
| Luminositas | N/A | N/A |
Key Differences
- ◆ Both are famous red supergiants and iconic supernova candidates visible to the naked eye.
- ◆ Betelgeuse is significantly larger at ~887 R☉; Antares has a radius of ~680 R☉.
- ◆ Antares is in Scorpius and has long been compared to Mars due to its red colour; Betelgeuse marks Orion's shoulder.
- ◆ Antares is about 604 light-years away; Betelgeuse is approximately 700 light-years distant.
- ◆ Both show irregular variability and dramatic mass-loss through powerful stellar winds.