Castor vs 폴룩스
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| Property | Castor | 폴룩스 |
|---|---|---|
| 명칭 | 66Alp Gem | 78Bet Gem |
| 별자리 | Gemini | Gemini |
| 분광형 | Class A — A-type (White) | Class K — K-type (Orange) |
| 겉보기 등급 | +1.58 | +1.16 |
| 절대 등급 | 0.62 | 1.08 |
| 거리 | 50.9 ly | 33.8 ly |
| 질량 | N/A | N/A |
| 반지름 | N/A | N/A |
| 온도 | N/A | N/A |
| 광도 | N/A | N/A |
Key Differences
- ◆ Both are the 'twin' stars in Gemini and are frequently compared as a pair.
- ◆ Despite being Alpha Geminorum, Castor is actually dimmer than Beta Geminorum (Pollux).
- ◆ Pollux is a K-type giant; Castor is an A-type main-sequence star.
- ◆ Castor is a remarkable sextuple system (6 stars in 3 binary pairs); Pollux is a single star with an exoplanet.
- ◆ Pollux's exoplanet (Thestias) made it the first giant star confirmed to host a planet.