Astrophysics (index)

Rigel

(Beta Orionis)
(brightest star in constellation Orion)

Rigel is the lower left-hand star of Orion, i.e., foot of his right leg. It is a triple star system, the brightest of which is Rigel A, a blue-white Supergiant and Alpha Cygni Variable Star. Rigel B is a Spectroscopic Binary system, with two main sequence blue-white B9 stars. Rigel B is 2200 AU from Rigel A.

Rigel lights up some nearby nebulae.

Characteristics:

Rigel A:

Rigel B:

  • Spectroscopic Binary.
  • Two B9 stars.

(star,binary star,bright star,variable star)
http://en.wikipedia.org/wiki/Rigel
RedshiftParsecs
/Distance
Lightyears
/Lookback Years
  
~0260pc860lyRigel

Referenced by:
Absolute Magnitude (M)
Bayer Designation
Orion
Supergiant

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