τ Cassiopeiae (tau Cassiopeiae)
τ Cassiopeiae is a variable giant star of spectral class K1 in the constellation of Cassiopeia.
τ Cassiopeiae visual magnitude is 4.87. Because of its moderate brightness, τ Cassiopeiae 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 τ Cassiopeiae is situated in the Hertzsprung–Russell diagram.
Distance, Radial Speed, Proper Motion
τ Cassiopeiae is distant 172.67 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
τ Cassiopeiae (tau Cassiopeiae) is circumpolar and transits at 05:39 UTC (altitude: 81.5°)