Search the Kids Internet
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:
All Wikipedia text is available under the terms of the GNU Free Documentation License
|
Search Encyclopedia
|
Featured Article
|