υ Ophiuchi (upsilon Ophiuchi)
υ Ophiuchi is a variable and double star of spectral class A3 in the constellation of Ophiuchus.
υ Ophiuchi visual magnitude is 4.63. Because of its moderate brightness, υ 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
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where υ Ophiuchi is situated in the Hertzsprung–Russell diagram.
Star System Properties
υ Ophiuchi is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the υ Ophiuchi double sysyem:
Distance, Radial Speed, Proper Motion
υ Ophiuchi is distant 122.23 light years from the Sun and it is moving towards the Sun at the speed of 31 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's υ Ophiuchi (upsilon Ophiuchi) rise, transit and set times from Kigali, Rwanda are the following (all times relative to the local timezone Africa/Kigali):