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

French resistance

... BBC where he proclaimed that the war was not over. Marshal Henri-Philippe Petain had already signed the armistice treaty and the formation of Vichy France government had ...