42 Orionis
42 Orionis is a variable and double main-sequence star of spectral class B1 in the constellation of Orion.
42 Orionis visual magnitude is 4.59. Because of its moderate brightness, 42 Orionis is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
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Finder chart for 42 Orionis.
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where 42 Orionis is situated in the Hertzsprung–Russell diagram.
Star System Properties
42 Orionis is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the 42 Orionis double sysyem:
Distance, Radial Speed, Proper Motion
42 Orionis is distant 785.54 light years from the Sun and it is moving far from the Sun at the speed of 30 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's 42 Orionis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):