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Gemini is dominated by Castor and Pollux, two bright stars that appear relatively very closely together forming an o shape, encouraging the mythological link between the constellation and twinship. The twin above and to the right (as seen from the Northern Hemisphere) is Castor, whose brightest star is α Gem; it is a second-magnitude star and ...
Gamma Geminorum (γ Geminorum, abbreviated Gamma Gem, γ Gem), formally named Alhena / æ l ˈ h iː n ə /, [13] is the third-brightest object in the constellation of Gemini.It has an apparent visual magnitude of 1.9, [2] making it easily visible to the naked eye even in urban regions.
Lambda Geminorum, Latinized from λ Geminorum, is a candidate multiple star system in the constellation Gemini. It is visible to the naked eye at night with a combined apparent visual magnitude of 3.57. [2] The distance to this system is 101 light years based on parallax, [6] and it is drifting closer with a radial velocity of –7.4 km/s. [5]
This is the list of notable stars in the constellation Gemini, sorted by decreasing brightness. Name B F Var HD HIP RA Dec vis. mag. abs. mag. Dist. Sp. class Notes ...
It is located in the northern hemisphere, about 73 light-years from the Earth, in the constellation of Gemini. [12] It is visually close to Pollux, the brightest star in the constellation. [7] HD 63433 is predicted to approach within 7.33 light-years of the Sun in 1.33 million years. [21] That will make it one of the nearest stars to the Sun.
Iota Geminorum (ι Geminorum, ι Gem) is a solitary [9] fourth-magnitude star in the constellation Gemini. In the sky, it forms an isosceles triangle with Castor and Pollux , and is located less than a degree from the 5th magnitude stars 64 and 65 Geminorum.
Upsilon Geminorum, Latinized from υ Geminorum, is a star in the constellation Gemini. It has an apparent visual magnitude of 4.04, [2] which is bright enough to be seen with the naked eye. Based upon an annual parallax shift of 12.88 mas, [1] it is around 253 light years from the Sun.
Xi Geminorum (ξ Geminorum, abbreviated Xi Gem, ξ Gem), formally named Alzirr / ˈ æ l z ər /, [10] is a star in the zodiac constellation of Gemini. It forms one of the four feet of the outline demarcating the Gemini twins. [11] The star has an apparent visual magnitude of 3.35, [2] which is bright enough for it to be seen with the naked eye.