Gliese 638 [SEP] constellation
Gliese 638
Gliese 638 is a main sequence star in the constellation of Hercules. It is located about 31.9 light years from the Earth. This is a suspected variable star with a measured apparent magnitude that ranges from 8.09–8.11. As a K-class star, it has a lower mass than the Sun, and consequently is less luminous.
at least
- Gliese 581d, a planet in the star's habitable zone
- Gliese 667, a triple star system in the constellation of Scorpius containing exoplanet GJ 667 Cc in one of the stars' habitable zone
- Gliese 682, a red dwarf in the constellation of Scorpius with two candidate planets, one of which is in the star's habitable zone
- Gliese 710, a star projected to pass through the Oort Cloud in 1.35 million years
- Gliese 876, a red dwarf approximately 15 light-