Trialan sun

The Trialan sun

The Trialan sun was the primary of the Trialus star system. This system was located in the Gamma Quadrant.

While in orbit of Meridian, the USS Defiant launched a probe into the sun's corona. Probe telemetry revealed that the fusion reactants in the sun's core were out of balance, creating a cascade reaction on the quantum level which caused Meridian to shift between dimensions. (DS9: "Meridian")

According to Star Trek: Star Charts (p. 75), the Trialan sun was classified as a F-class star.
According to, the primary was named Trialus.