Epsilon Boötis (or Izar) is a binary star system located in the Alpha Quadrant. It contains at least three planets, one of which, Izar, is a Federation member world. (ST reference: Star Charts) Fourth planet Izar IV is, in the late 24th century, a holding of the Romulan Star Empire, and a friendly port-of-call for starships of the Romulan Imperial Fleet. (ST video game: Starfleet Command III)