σ Centauri (sigma Centauri)
σ Centauri is a main-sequence star of spectral class B2 in the constellation of Centaurus.
σ Centauri visual magnitude is 3.91. Because of its moderate brightness, σ Centauri 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 σ Centauri is situated in the Hertzsprung–Russell diagram.
Distance, Radial Speed, Proper Motion
σ Centauri is distant 442.93 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's σ Centauri (sigma Centauri) rise, transit and set times from Mouzaki, Greece are the following (all times relative to the local timezone Europe/Athens):