안타레스 vs 베텔게우스
| 속성 |
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
|
주요 차이점
- ◆ 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.