Beta Geminorum

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.

Sifat Fisik

Kelas Spektral K Class K — K-type (Orange)
Indeks Warna (B−V) 0,991

Pengamatan

Magnitudo Semu +1.16
Magnitudo Mutlak 1,08
Jarak 33.8 ly
Rasi Bintang Gemini

Posisi

Asensio Rekta 7h 45,32m
Deklinasi 28° 1,57′

Frequently Asked Questions

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