τ Leonis (tau Leonis)
τ Leonis is a multiple giant star of spectral class G7 in the constellation of Leo.
τ Leonis visual magnitude is 4.95. Because of its moderate brightness, τ Leonis 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 τ Leonis (tau Leonis).
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where τ Leonis is situated in the Hertzsprung–Russell diagram.
Star System Properties
τ Leonis is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the τ Leonis double sysyem:
Distance, Radial Speed, Proper Motion
τ Leonis is distant 620.95 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's τ Leonis (tau Leonis) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):