Rigil Kentaurus A

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Rigel Kentaurus A
Stellar characteristics
ConstellationCentaurus
Right ascension (Epoch J2000)14h 39m 36.4951s
Declination (Epoch J2000)-60° 50' 02.308"
Spectral typeG2V
Distance from Sol4.365 ± 0.007 ly
Other designationsAlpha Centauri A, α Cen A, α¹ Centauri, GJ 559 A, HR 5459, HD 128620, GCTP 3309.00, LHS 50, SAO 252838, HIP 71683
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Alpha Centauri A or Rigil Kentaurus ("Foot of the Centaur" in Arabic) is the fourth brightest star in the night sky as well as the brightest star in Constellation Centaurus. Like Sol, it is a yellow-orange main sequence dwarf star of spectral and luminosity type G2 V.

(Boilerplate from SolStation.com)

Together with Alpha Centauri B and Proxima Centauri Alpha Centauri A forms a loose trinary system[1], and is one of the closest stars to Sol at a distance of about 4.40 light-years. Alpha Centauri A and B orbit a common point at an average distance of about 23.7 AUs.

Known Places Around Rigel Kentaurus A


  1. There is some debate about wether or not Proxima Centauri is actually part of a trinary system with the others, see SolStation.com for more details.