According to the Star Trek: Star Charts (pp. 36, 44 & "United Federation of Planets I"), the Denobula Triaxa system, also known by its Bayer designation as Iota Boötis, was located in or near Federation space, in the Alpha Quadrant. Denobula Triaxa A was a G class star with a magnitude of +7, which was 1/10 the brightness of Sol. Denobula Triaxa B and C were G class stars. In the 22nd century, the Denobula Triaxa system was a destination on the Earth-Denobula, Fellebia-Denobula, Neethia-Denobula, Pyrithia-Denobula, Pree'-Denobula, and Vulcan-Denobula runs. As of 2378, the Denobula Triaxa system was a Federation member.