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Alpha Geminorum (Castor B)

Alpha Geminorum (α Gem), also known as Castor B, is a spectral class star of magnitude 2.88 located in the constellation Gemini. α Gem is one of the brighter stars in Gemini and can be seen by the naked eye under dark skies or with binoculars.

      1. Name:
      2. Alpha Geminorum
      1. Short name:
      2. α Gem
      1. Common name:
      2. Castor B
      1. Magnitude:
      2. 2.88
      1. Right Acension:
      2. 07h 34m 36.00s
      1. Declination:
      2. +31° 53' 19.0"