8 Herculis

8 Herculis or 8 Her is an A-type main-sequence star away in the constellation Hercules. It is also known as HD 145122. Because of its apparent magnitude, of 6.13 the star can be very faintly seen with the naked eye in excellent conditions.

Stellar properties

8 Herculis is a main-sequence star of spectral type A0Vnn. The nn indicates extremely nebulous spectral lines due to its rapid rotation. The star has about 2.5 times the mass, 2.5 times the radius, and 55 times the luminosity of the Sun. The star appears to have a similar metallicity to the Sun. At 317 million years old, it is modelled to be about 40% of the way through its main sequence life.