Astrophysics (Index)About

Beta Centauri

(Hadar, Agena)
(second brightest star in Centaurus)

Beta Centauri (Hadar or Agena) is a variable star in the southern sky with magnitude +0.6. It is a triple star and a double-line spectroscopic binary, including two nearly-equal stars orbiting in 357 days, roughly 4 AU apart, with a third star considerably further from them. The pair are giant stars and all three are B-type stars. Characteristics:

(star,bright star,binary star,variable star,giant star)
Further reading:
/Lookback Years
~0120pc390lyBeta Centauri
Coordinates:Beta Centauri

Referenced by page:
B-type star (B)