카펠라 vs 폴룩스
| 속성 | 카펠라 | 폴룩스 |
|---|---|---|
| 명칭 | 13Alp Aur | 78Bet Gem |
| 별자리 | N/A | Gemini |
| 분광형 | Class M — M-type (Red) | Class K — K-type (Orange) |
| 겉보기 등급 | +0.08 | +1.16 |
| 절대 등급 | -0.51 | 1.08 |
| 거리 | 42.8 ly | 33.8 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 among the nearest and brightest giant stars to the Sun.
- ◆ Capella is the sixth-brightest star and is actually a quadruple system with two G-type giants as the primary pair.
- ◆ Pollux is the single nearest giant star, hosting a confirmed exoplanet.
- ◆ Capella is at ~43 light-years; Pollux is closer at ~34 light-years.
- ◆ The primary pair of Capella orbits each other every 104 days and are not resolvable by eye.