안타레스 vs 베텔게우스
Sky brightness gives 베텔게우스 a 0.61-magnitude edge, +0.45 to +1.06. Both lie at a comparable distance from the Sun — 554 light-years for 안타레스 and 498 for 베텔게우스. Spectroscopically 안타레스 resolves as an M-type star in Scorpius and 베텔게우스 as an M-type star in Orion. Corrected for distance, 베텔게우스 outproduces 안타레스 by some 1.4 times, absolute magnitudes −5.47 and −5.09.
Property comparison
| Property | 안타레스 | 베텔게우스 |
|---|---|---|
| 명칭 | 21Alp Sco | 58Alp Ori |
| 별자리 | Scorpius | Orion |
| 분광형 | Class M — M-type (Red) | Class M — M-type (Red) |
| 겉보기 등급 | +1.06 | +0.45 |
| 절대 등급 | -5.09 | -5.47 |
| 거리 | 554 ly | 498 ly |
| 질량 | N/A | N/A |
| 반지름 | N/A | N/A |
| 온도 | N/A | N/A |
| 광도 | N/A | N/A |
Full data for each star: 안타레스 · 베텔게우스
Key differences
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.