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.
Absolute Magnitude (M)