Alpha Centauri AB

Alpha Centauri AB

Centaurus

-0.27
Apparent Mag
4.37
Distance (ly)
G2V+K1V
Spectral Type
5,790
Temperature (K)

Alpha Centauri AB is the combined visual appearance of the nearest star system's two main components.

Stellar Data

Apparent Magnitude-0.27
Absolute Magnitude4.38
Distance4.37 light-years
Spectral TypeG2V+K1V
Temperature5,790 K
Luminosity1.52 L☉
Radius1.22 R☉
Mass1.1 M☉
Right Ascension14h 39m 36.5s
Declination-60° 50′ 02.4″
ConstellationCentaurus

Notable Facts

  • Alpha Centauri AB appears as a single bright star to the naked eye
  • It is the closest star system at 4.37 light-years
  • The pair consists of a G2V and K1V star

More Stars in Centaurus

View constellation