Alpha Centauri A

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: 1.519 Solar Luminosities
• Diameter: 1.227 times that of the Sun
• Angular diameter about 8.512 milliarcseconds

See also

• Alpha Centauri, Alpha Centauri B, Proxima Centauri
• List of nearest stars

References

• A Family Portrait of the Alpha Centauri System, March 21, 2003.

External Links

• Alpha Centauri system

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