Procyon is a white subgiant star in the constellation Canis Minor. At 11.4 light years away, it is the 8th brightest star in the Earth's sky, where it shines at an apparent visual magnitude of 0.40. Procyon is a multiple-star system. The star's age is estimated to be 1.7 billion years but is certainly no less than 1.6 billion years and no greater than 1.8 billion years. The iron abundance of Procyon is -0.02 (95.5% of the Sun). It is moving through the Galaxy at a speed of 21 km/s relative to the Sun. Its projected Galactic orbit carries it between 23,100 and 28,400 light years from the center of the Galaxy.
Sky position: RA 7h 39.3m, Dec +5° 13.8'
Common designations: Procyon, Alpha Canis Minoris, 10 Canis Minoris, HIP 37279, HD 61421, Gliese 280 A
Stars of the Northern Hemisphere The Modern Guide to the Stars