χ Ophiuchi (chi Ophiuchi)
χ Ophiuchi is a variable sub-giant star of spectral class B2 in the constellation of Ophiuchus.
χ Ophiuchi visual magnitude is 4.42. Because of its moderate brightness, χ 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 χ Ophiuchi (chi Ophiuchi).
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where χ Ophiuchi is situated in the Hertzsprung–Russell diagram.
Distance, Radial Speed, Proper Motion
χ Ophiuchi is distant 488.76 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's χ Ophiuchi (chi Ophiuchi) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):