Mizar - ζ Ursae Majoris (zeta Ursae Majoris)
Mizar, also designated as ζ Ursae Majoris (zeta Ursae Majoris), is a variable and multiple main-sequence star of spectral class A1 in the constellation of Ursa Major.
Mizar visual magnitude is 2.27, making it the 73th brightest star in the sky. Because of its brightness, Mizar 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
Mizar is also a SrSi chemically peculiar star.The red dot in the diagram below shows where Mizar is situated in the Hertzsprung–Russell diagram.
Star System Properties
Mizar 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 Mizar double sysyem:
Distance, Radial Speed, Proper Motion
Mizar is distant 78.12 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.
Alternative Designations
Visibility from Your Location
Mizar - ζ Ursae Majoris (zeta Ursae Majoris) is circumpolar and transits at 21:45 UTC (altitude: 86.7°)