Tags: Star.
Epsilon Herculis (ε Her ε Herculis) is a fourth-magnitude spectroscopic binary star in the constellation Hercules. It has the traditional name Cujam. In Chinese 天紀 (Tiān Jì) meaning Celestial Discipline refers to an asterism consisting of ε Herculis ξ Coronae Borealis ζ Herculis 59 Herculis 61 Herculis 68 Herculis HD 160054 and θ Herculis. Consequently ε Herculis itself is known as 天紀三 (Tiān Jì sān English: the Third Star of Celestial Discipline.)
