η Crucis (eta Crucis)
η Crucis is a double giant star of spectral class F2 in the constellation of Crux.
η Crucis visual magnitude is 4.15. Because of its moderate brightness, η Crucis 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 η Crucis is situated in the Hertzsprung–Russell diagram.
Star System Properties
η Crucis 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 η Crucis double sysyem:
Distance, Radial Speed, Proper Motion
η Crucis is distant 64.19 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
η Crucis (eta Crucis) is currently not visible from Greenwich, UK