Rigil Kentaurus

Rigil Kentaurus (alternate designation for Alpha Centauri )

(Rigel Kent) or Alpha Centauri (Alp Cen) is the brightest naked-eye star in the constellation Centaurus. With an apparent magnitude of -0.28, Alpha Centauri is the 3rd brightest star in the entire sky (see: 50 Brightest Stars ). Its absolute magnitude is 4.34 and its distance is 4.37 light-years

For Union Info see Alpha Centauri