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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

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