ι Ophiuchi (iota Ophiuchi)
ι Ophiuchi is a variable main-sequence star of spectral class B8 in the constellation of Ophiuchus.
ι Ophiuchi visual magnitude is 4.38. Because of its moderate brightness, ι 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 ι Ophiuchi is situated in the Hertzsprung–Russell diagram.
Distance, Radial Speed, Proper Motion
ι Ophiuchi is distant 233.69 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's ι Ophiuchi (iota Ophiuchi) rise, transit and set times from Schöngleina, Germany are the following (all times relative to the local timezone Europe/Berlin):