ζ Persei (zeta Persei)
ζ Persei is a variable and multiple supergiant star of spectral class B1 in the constellation of Perseus.
ζ Persei visual magnitude is 2.85. Because of its brightness, ζ Persei 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
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Finder chart for ζ Persei (zeta Persei).
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where ζ Persei is situated in the Hertzsprung–Russell diagram.
Star System Properties
ζ 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 ζ Persei double sysyem:
Distance, Radial Speed, Proper Motion
ζ Persei is distant 981.93 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's ζ Persei (zeta Persei) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):