Encyclopedia > Alpha Centauri A

Article Content

Alpha Centauri A

Alpha Centauri A is a star of the star system Alpha Centauri. It is approximately 4.40 lightyears from Earth's Solar System. It is also the brightest of the three stars in the star system.

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

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

Westhampton Beach, New York

... 0.42% Native American, 1.16% Asian, 0.05% Pacific Islander, 2.84% from other races, and 1.74% from two or more races. 7.68% of the population are Hispanic or ...