42 Herculis
42 Herculis is a variable and double giant star of spectral class M2 in the constellation of Hercules.
42 Herculis visual magnitude is 4.9. Because of its moderate brightness, 42 Herculis 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
Simplified finder chart for 42 Herculis.
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where 42 Herculis is situated in the Hertzsprung–Russell diagram.
Star System Properties
42 Herculis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 42 Herculis double sysyem:
Distance, Radial Speed, Proper Motion
42 Herculis is distant 376.01 light years from the Sun and it is moving towards the Sun at the speed of 55 kilometers per second.
Alternative Designations
Visibility from Your Location
42 Herculis is circumpolar and transits at 17:14 UTC (altitude: 87.4°)