Bellatrix - γ Orionis (gamma Orionis)
Bellatrix, also designated as γ Orionis (gamma Orionis), is a variable and double giant star of spectral class B2 in the constellation of Orion.
Bellatrix visual magnitude is 1.64, making it the 25th brightest star in the sky. Because of its brightness, Bellatrix is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where Bellatrix is situated in the Hertzsprung–Russell diagram.
Star System Properties
Bellatrix is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the Bellatrix double sysyem:
Distance, Radial Speed, Proper Motion
Bellatrix is distant 242.92 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's Bellatrix - γ Orionis (gamma Orionis) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):