포말하우트 vs 베가
| 속성 |
포말하우트
|
베가
|
| 명칭 |
24Alp PsA |
3Alp Lyr |
| 별자리 |
N/A |
Lyra |
| 분광형 |
Class A — A-type (White) |
Class A — A-type (White) |
| 겉보기 등급 |
+1.17 |
+0.03 |
| 절대 등급 |
1.74
|
0.60
|
| 거리 |
25.1 ly |
25.0 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 young A-type benchmark stars with prominent debris disks, used to calibrate stellar and planetary evolution models.
- ◆ Fomalhaut is the southernmost autumn star easily seen from northern mid-latitudes.
- ◆ Vega is approximately 1.9 times more massive than Fomalhaut.
- ◆ Both have been candidate targets for direct imaging of orbiting companions.
- ◆ Fomalhaut is one of only 18 stars with disks resolved by Hubble; Vega's disk was first revealed by IRAS in 1983.