100 Herculis is a variable and multiple main-sequence star in the constellation of Hercules.
100 Herculis visual magnitude is 5.9. Because of its reltive faintness, 100 Herculis should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.
The table below summarizes the key facts about 100 Herculis:
Celestial coordinates and finder chart of 100 Herculis
100 Herculis is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 100 Herculis are provided in the following table:
The simplified sky map below shows the position of 100 Herculis in the sky:
Visibility of 100 Herculis from your location
Digitized Sky Survey image of 100 Herculis
The image below is a photograph of 100 Herculis from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 100 Herculis is -0.002 arcsec per year in Right Ascension and 0.033 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of 100 Herculis from the Sun and relative movement
100 Herculis is distant 165.90 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.
Spectral properties of 100 Herculis
100 Herculis belongs to spectral class A3 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where 100 Herculis is situated in the Hertzsprung–Russell diagram.