Pollux
78Bet Gem
Pollux is a K-type (Orange) star located in the constellation Gemini. It carries the designation 78Bet Gem.
Pollux lies approximately 33.8 light-years from Earth, placing it within the Sun's local stellar neighborhood. This relatively short cosmic distance means the light reaching us today departed the star only about 33 years ago.
Pollux is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
Pollux has an apparent magnitude of +1.16, making it a bright and prominent star that is readily visible to the naked eye. It is one of the more conspicuous stars in its region of the sky. Observers will note its yellow hue, which corresponds to a B-V color index of +0.991.
物理特性
| 光谱类型 | Class K — K-type (Orange) |
| 色指数 (B−V) | 0.991 |
观测
| 视星等 | +1.16 |
| 绝对星等 | 1.08 |
| 距离 | 33.8 ly |
| 星座 | Gemini |
位置
| 赤经 | 7h 45.32m |
| 赤纬 | 28° 1.57′ |
常见问题
What type of star is Pollux?
Pollux is a Class K — K-type (Orange) star.
How far is Pollux from Earth?
Pollux is approximately 33.8 light-years from Earth.
Can you see Pollux with the naked eye?
With an apparent magnitude of 1.16, Pollux is visible to the naked eye.
What constellation is Pollux in?
Pollux is located in the constellation Gemini.