'''Delta IV ''' (sometimes referred to as '''Delta''' or '''Dhei''') is home to the [[homeworld]] of the [[Deltan]] species, located in the '''Delta Triciatu''' system. The planet has seven stellar satellites, including two moons named Cinera and Seyann. * [[Humanoid]] visitors are restricted to these two moons in order to limit exposure to the pheromones produced by the Deltan people A [[Federation]] member world, a number of Deltans [[Deltan]]s have served in [[Star Fleet]], including [[USS Enterprise, NCC-1701|USS Enterprise ]] navigator Lieutenant Ilia in during the early 2270s[[2270]]s. <br>