Gamma 7A system

The Gamma 7A system was an inhabited planetary system inside Sector 39J in the Beta Quadrant. It was a single star system with a fourth-magnitude sun and was at one time populated with billions of inhabitants.

In 2268, after contact had been lost with the system, Starfleet Command sent the USS Intrepid to investigate. Like the system, the Intrepid was destroyed by a space amoeba. Soon after contact with the starship ceased, Starbase 6 ordered the USS Enterprise to investigate; the ship was finally able to destroy the amoeba. (TOS: "The Immunity Syndrome")

This system was only mentioned in dialogue.
The quadrant of origin for this system was based on its close proximity to Starbase 6. This starbase was located near the Canopus system, which was approximately 300 light years from the boundary between the Alpha Quadrant and Beta Quadrant.

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