μ Persei (mu Persei)
μ Persei is a variable and multiple hypergiant star of spectral class G0 in the constellation of Perseus.
μ Persei visual magnitude is 4.14. Because of its moderate brightness, μ Persei 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 μ Persei is situated in the Hertzsprung–Russell diagram.
Star System Properties
μ Persei 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 μ Persei double sysyem:
Distance, Radial Speed, Proper Motion
μ Persei is distant 722.84 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.
Alternative Designations
Visibility from Your Location
μ Persei (mu Persei) is circumpolar and transits at 12:11 UTC (altitude: 87.0°)