θ1 Orionis (theta1 Orionis)
θ1 Orionis is a variable and multiple hypergiant star of spectral class B0 in the constellation of Orion.
θ1 Orionis visual magnitude is 6.7. Because of its faintness, θ1 Orionis is not visible to the naked eye.
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Simplified finder chart for θ1 Orionis (theta1 Orionis).
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where θ1 Orionis is situated in the Hertzsprung–Russell diagram.
Star System Properties
θ1 Orionis is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the θ1 Orionis double sysyem:
Distance, Radial Speed, Proper Motion
θ1 Orionis is distant 32,600,000.00 light years from the Sun and it is moving far from the Sun at the speed of 31 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's θ1 Orionis (theta1 Orionis) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):