Epsilon Tauri or ε Tauri, formally named Ain, is an orange giant star located approximately 146 light-years from the Sun in the constellation of Taurus. An exoplanet is believed to be orbiting the star.
It is a member of the Hyades open cluster. As such its age is well constrained at 625 million years. It is claimed to be the heaviest among planet-harboring stars with reliable initial masses. From Wikipedia
