Gamma Orionis definition of Gamma Orionis in the Free Online Encyclopedia.

Bellatrix (bĕl`ətrĭks), bright star in the constellation Orion Orion, in astronomy, constellation located on the celestial equator. It is one of the most conspicuous and easily recognizable constellations in the entire sky.
..... Click the link for more information. ; Bayer designation Gamma Orionis; 1992 position R.A. 5^h24.7^m, Dec. +6°21'. A bluish-white giant of spectral class spectral class, in astronomy, a classification of the stars by their spectrum and luminosity . In 1885, E. C. Pickering began the first extensive attempt to classify the stars spectroscopically.
..... Click the link for more information. B2 III, its apparent magnitude magnitude, in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. A.D.), all visible with the unaided eye, were ranked on a brightness scale such that the brightest stars were of 1st magnitude and the
..... Click the link for more information. of 1.63 makes it one of the 25 brightest stars in the sky. Its distance from the earth is about 500 light-years. Bellatrix marks the left shoulder of Orion. The name is Latin for "female warrior."

Bellatrix [bə′lā·triks]

(astronomy)

A bluish-white star of stellar magnitude 1.7, spectral classification B2-III, in the constellation Orion; the star γ Orionis.

Bellatrix (redirected from Gamma Orionis)

Bellatrix
(redirected from Gamma Orionis)