β Gem. Magnitude 1.14, orange-red. A first-magnitude star, among the brightest few dozen visible.
Astronomers call it β Gem — the Bayer designation, which reads as a Greek letter ranking its brightness within its constellation. Pollux is the name people actually use.
Pollux shines at magnitude 1.14, making it a first-magnitude star, among the brightest few dozen visible. Its B−V colour index of 1.00 makes it orange-red to the eye, corresponding to a surface temperature of under 4,000 K.
It sits at right ascension 7.76 hours and declination +28.0°. It sits well north on the sky and is comfortably placed for northern hemisphere observers.
SkyRef shows exactly where Pollux is from your location right now — altitude, compass direction, and rise and set times.