Alpha Centauri B

Alpha Centauri B (also Rigel Kentaurus B — the foot of the centaur in Arabic) is a star of the Alpha Centauri star system. It is approximately 4.40 light years from Earth's Solar System.

Some facts about Alpha Centauri B

• Parallax: 0.742 arcsecs
• Spectral type: KO-1 V
• Radial velocity: -21 km/s
• Proper Motion: 3.724 arcsecs/year
• Apparent Visual Magnitude: 1.35
• Absolute Visual Magnitude: 5.70
• Luminosity: 0.55 Solar Luminosities

See also:

• Alpha Centauri, Alpha Centauri A, Proxima Centauri
• List of nearest stars