Pollux

78Bet Gem

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At 33.8 light-years, Pollux is the nearest of the bright orange stars and the closest first-magnitude star to host a known planet. It is Beta Geminorum, and despite the Beta label it outshines Castor to rank as the brightest star of the constellation Gemini. This K-type star carries a B–V colour index of 0.991, consistent with its orange colour, and appears at magnitude 1.16. Its absolute magnitude of 1.08 indicates an intrinsic brightness modestly above the Sun's. A northern declination of +28° places Pollux high in the winter sky, where it and neighbouring Castor mark the heads of the celestial twins.

物理特性

光谱类型 K 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′

Frequently Asked Questions

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.