Pólux

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.

Propriedades físicas

Classe Espectral K Class K — K-type (Orange)
Índice de cor (B−V) 0,991

Observação

Magnitude Aparente +1.16
Magnitude Absoluta 1,08
Distância 33.8 ly
Constelação Gemini

Posição

Ascensão reta 7h 45,32m
Declinação 28° 1,57′

Frequently Asked Questions

What type of star is Pólux?
Pólux is a Class K — K-type (Orange) star.
How far is Pólux from Earth?
Pólux is approximately 33.8 light-years from Earth.
Can you see Pólux with the naked eye?
With an apparent magnitude of 1.16, Pólux is visible to the naked eye.
What constellation is Pólux in?
Pólux is located in the constellation Gemini.