Pollux (star) - Definition and Overview

Pollux (β Geminorum) is the brighter of the "heavenly twin" stars in the constellation Gemini, its partner being Castor.

This star is approximately 33.7 light years from Earth's Solar System.

Some facts about Pollux

• Apparent Visual Brightness (Sirius A = 1): 0.091
• Spectral type: K0 III
• Radial velocity: 3 km/s
• Proper Motion: 0.627 arcsecs/year
• Apparent Visual Magnitude: 1.16
• Absolute Visual Magnitude: 1.09
• Luminosity: 46.6 Solar Luminosities