ο Cassiopeiae (omicron Cassiopeiae)
ο Cassiopeiae is a variable and double giant star of spectral class B5 in the constellation of Cassiopeia.
ο Cassiopeiae visual magnitude is 4.54. Because of its moderate brightness, ο 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
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Finder chart for ο Cassiopeiae (omicron Cassiopeiae).
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where ο Cassiopeiae is situated in the Hertzsprung–Russell diagram.
Star System Properties
ο Cassiopeiae 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 ο Cassiopeiae double sysyem:
Distance, Radial Speed, Proper Motion
ο Cassiopeiae is distant 905.56 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.
Alternative Designations
Visibility from Your Location
ο Cassiopeiae (omicron Cassiopeiae) is circumpolar and transits at 09:24 UTC (altitude: 86.9°)