Encyclopedia > Alpha Centauri B

Article Content

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

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Quackery

... consider it unethical to lie to a patient about the chance of success of their treatment. Quacks do not have these ethical constraints. Side effects from real ...