Polis - μ Sagittarii (mu Sagittarii)
Polis, also designated as μ Sagittarii (mu Sagittarii), is a variable and multiple supergiant star of spectral class B8 in the constellation of Sagittarius.
Polis visual magnitude is 3.86. Because of its moderate brightness, Polis 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 Polis is situated in the Hertzsprung–Russell diagram.
Star System Properties
Polis 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 Polis double sysyem:
Distance, Radial Speed, Proper Motion
Polis is distant 29,636.36 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's Polis - μ Sagittarii (mu Sagittarii) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):