Tags: Star.
Rigel also known by its Bayer designation Beta Orionis (β Ori β Orionis) is the brightest star in the constellation Orion and the seventh brightest star in the night sky with visual magnitude 0.12. The star as seen from Earth is actually a triple star system with the primary star (Rigel A) a blue-white supergiant of absolute magnitude −7.84 and around 130000 times as luminous as the Sun. An Alpha Cygni variable it pulsates periodically.
