Some facts about Alpha Centauri A Parallax: 0.742 arcsecs Spectral type: G2 V Radial velocity: -25 km/s Proper Motion: 3.71 arcsecs/year Apparent Visual Magnitude: -.01 Absolute Visual Magnitude: 4.34 Luminosity: 1.77 Solar Luminosities See also: Alpha Centauri, Alpha Centauri B, Proxima Centauri List of nearest stars