θ2 Orionis (theta2 Orionis)
θ2 Orionis is a variable and multiple main-sequence star of spectral class O9 in the constellation of Orion.
θ2 Orionis visual magnitude is 5.08. Because of its faintness, θ2 Orionis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Simplified finder chart for θ2 Orionis (theta2 Orionis).
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where θ2 Orionis is situated in the Hertzsprung–Russell diagram.
Star System Properties
θ2 Orionis is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the θ2 Orionis double sysyem:
Distance, Radial Speed, Proper Motion
θ2 Orionis is distant 1,895.35 light years from the Sun and it is moving far from the Sun at the speed of 36 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's θ2 Orionis (theta2 Orionis) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):