ω Ophiuchi (omega Ophiuchi)
ω Ophiuchi is a variable star of spectral class A7 in the constellation of Ophiuchus.
ω Ophiuchi visual magnitude is 4.45. Because of its moderate brightness, ω Ophiuchi 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
Simplified finder chart for ω Ophiuchi (omega Ophiuchi).
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where ω Ophiuchi is situated in the Hertzsprung–Russell diagram.
Distance, Radial Speed, Proper Motion
ω Ophiuchi is distant 174.71 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's ω Ophiuchi (omega Ophiuchi) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):