Alkaphrah - κ Ursae Majoris (kappa Ursae Majoris)
Alkaphrah, also designated as κ Ursae Majoris (kappa Ursae Majoris), is a variable and double main-sequence star of spectral class A1 in the constellation of Ursa Major.
Alkaphrah visual magnitude is 3.6. Because of its moderate brightness, Alkaphrah 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 Alkaphrah is situated in the Hertzsprung–Russell diagram.
Star System Properties
Alkaphrah 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 Alkaphrah double sysyem:
Distance, Radial Speed, Proper Motion
Alkaphrah is distant 422.83 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.
Alternative Designations
Visibility from Your Location
Alkaphrah - κ Ursae Majoris (kappa Ursae Majoris) is circumpolar and transits at 17:03 UTC (altitude: 85.6°)