You may also be looking for the similarly named Borderland star system, the Trialas system.

The Trialus system is a star system in the Gamma Quadrant. It is the location of the planet Meridian, which only appears in the system for a few days every sixty years, the last time thus far in 2371. (DS9: "Meridian")

• Trialan sun (Trialus)
  • Meridian