Achird - η Cassiopeiae (eta Cassiopeiae)
Achird, also designated as η Cassiopeiae (eta Cassiopeiae), is a multiple main-sequence star of spectral class F9 in the constellation of Cassiopeia.
Achird visual magnitude is 3.44. Because of its moderate brightness, Achird 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 Achird is situated in the Hertzsprung–Russell diagram.
Star System Properties
Achird 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 Achird double sysyem:
Distance, Radial Speed, Proper Motion
Achird is distant 19.41 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
Achird - η Cassiopeiae (eta Cassiopeiae) is circumpolar and transits at 08:41 UTC (altitude: 83.5°)