Castor
Star
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Castor is the second-brightest object in the zodiac constellation of Gemini. It has the Bayer designation α Geminorum, which is Latinised to Alpha Geminorum and abbreviated Alpha Gem or α Gem. With an apparent visual magnitude of 1.58, it is one... Wikipedia
Constellation: Gemini
Distance to Earth: 50.88 light years
Magnitude: 1.52
Luminosity: 0.0733 L☉
Apparent magnitude (V): 1.52
Category: star system, stars