Pollux (star) - Wikipedia

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Castor is a complex sextuple system of hot, bluish-white A-type stars and dim red dwarfs, while Pollux is a single, cooler yellow-orange giant. In July 2014 the International Astronomical Union launched a process for giving proper names to certain exoplanets and their host stars. [25] In Chinese, 北河 (Běi Hé), meaning North River, refers to an asterism consisting of Pollux, ρ Geminorum and Castor. )[27] At an apparent visual magnitude of 1.14,[28] Pollux is the brightest star in its constellation, even brighter than its neighbor Castor (α Geminorum). [citation needed] Parallax measurements by the Hipparcos astrometry satellite[29][30] place Pollux at a distance of about 33.78 light-years (10.36 parsecs) from the Sun.

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