出典:Wikipedia
出典:『Wikipedia』 (2011/07/16 14:41 UTC 版)
Epsilon Hydrae (ε Hya, ε Hydrae) is a Class G5, third-magnitude star in the constellation Hydra. Epsilon Hydrae is a binary star with components of magnitudes 3.3 and 6.8, separated by 2.7 arcseconds. This stellar system is located about 135 light-years from Earth.