Alioth - ε Ursae Majoris (epsilon Ursae Majoris)
Alioth, also designated as ε Ursae Majoris (epsilon Ursae Majoris), is a variable hypergiant star of spectral class A0 in the constellation of Ursa Major.
Alioth visual magnitude is 1.77, making it the 31th brightest star in the sky. Because of its brightness, Alioth 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
Alioth is also a Cr chemically peculiar star.The red dot in the diagram below shows where Alioth is situated in the Hertzsprung–Russell diagram.
Distance, Radial Speed, Proper Motion
Alioth is distant 80.89 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.
Alternative Designations
Visibility from Your Location
Alioth - ε Ursae Majoris (epsilon Ursae Majoris) is circumpolar and transits at 21:15 UTC (altitude: 85.7°)