Alkaid - η Ursae Majoris (eta Ursae Majoris)
Alkaid, also designated as η Ursae Majoris (eta Ursae Majoris), is a variable main-sequence star of spectral class B3 in the constellation of Ursa Major.
Alkaid visual magnitude is 1.86, making it the 37th brightest star in the sky. Because of its brightness, Alkaid is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where Alkaid is situated in the Hertzsprung–Russell diagram.
Distance, Radial Speed, Proper Motion
Alkaid is distant 100.65 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.
Alternative Designations
Visibility from Your Location
Alkaid - η Ursae Majoris (eta Ursae Majoris) is circumpolar and transits at 20:50 UTC (altitude: 87.7°)