Rigel (Beta Orionis; b Ori)
The brightest star in the constellation Orion. Its Bayer letter is Beta, despite the fact that, at magnitude 0.1, it is slightly brighter than Betelgeuse, which is designated Alpha. Rigel is a supergiant B star, with a seventh magnitude companion. The name, derived from Arabic, means "leg of the giant".

See also: Table 3.