θ Cassiopeiae (theta Cassiopeiae)
θ Cassiopeiae is a variable and double main-sequence star of spectral class A7 in the constellation of Cassiopeia.
θ Cassiopeiae visual magnitude is 4.33. Because of its moderate brightness, θ 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 θ Cassiopeiae is situated in the Hertzsprung–Russell diagram.
Star System Properties
θ Cassiopeiae is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the θ Cassiopeiae double sysyem:
Distance, Radial Speed, Proper Motion
θ Cassiopeiae is distant 137.38 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.
Alternative Designations
Visibility from Your Location
θ Cassiopeiae (theta Cassiopeiae) is circumpolar and transits at 08:48 UTC (altitude: 86.2°)