ζ Herculis (zeta Herculis)
ζ Herculis is a variable and double hypergiant star of spectral class G0 in the constellation of Hercules.
ζ Herculis visual magnitude is 2.81. Because of its brightness, ζ Herculis 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
The red dot in the diagram below shows where ζ Herculis is situated in the Hertzsprung–Russell diagram.
Star System Properties
ζ Herculis is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the ζ Herculis double sysyem:
Distance, Radial Speed, Proper Motion
ζ Herculis is distant 35.19 light years from the Sun and it is moving towards the Sun at the speed of 70 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's ζ Herculis (zeta Herculis) rise, transit and set times from Huai’an, China are the following (all times relative to the local timezone Asia/Shanghai):