ο Sagittarii (omicron Sagittarii)
ο Sagittarii is a variable and double giant star of spectral class G9 in the constellation of Sagittarius.
ο Sagittarii visual magnitude is 3.77. Because of its moderate brightness, ο Sagittarii 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
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Finder chart for ο Sagittarii (omicron Sagittarii).
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where ο Sagittarii is situated in the Hertzsprung–Russell diagram.
Star System Properties
ο Sagittarii is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the ο Sagittarii double sysyem:
Distance, Radial Speed, Proper Motion
ο Sagittarii is distant 138.78 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's ο Sagittarii (omicron Sagittarii) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):