η Arae (eta Arae)
η Arae is a double giant star of spectral class K5 in the constellation of Ara.
η Arae visual magnitude is 3.76. Because of its moderate brightness, η Arae 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 Arae is situated in the Hertzsprung–Russell diagram.
Star System Properties
η Arae 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 Arae double sysyem:
Distance, Radial Speed, Proper Motion
η Arae is distant 313.16 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 Arae (eta Arae) is currently not visible from Greenwich, UK