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Loading contentGamma Herculis is a star in the constellation Hercules (Herculis), lying about 192.65 light-years from Earth.
Class A. White stars with strong hydrogen lines. Many of the brightest stars in the sky are class A. Such stars have surface temperatures around 7,500–10,000 K and appear white to the eye.
| Spectral type | A9III |
| Luminosity class | III |
| Apparent magnitude | 3.74 |
| Absolute magnitude | -0.12 |
| Luminosity (Sun = 1) | 97.006 |
| Colour index (B−V) | 0.299 |
| Distance | 192.65 ly (59.07 pc) |
Values are real catalogue data; fields without a reliable value are omitted, never estimated.
Facts on this topic will be cited from these primary and reference sources.
Aggregated, openly-licensed star catalogue combining Hipparcos, the Yale Bright Star Catalogue, and the Gliese Catalogue of Nearby Stars.
High-precision parallax, magnitude, and position for ~118,000 stars.