The Devos system was a planetary system in the Alpha Quadrant.
Components
Stellar system
This was a binary system with a G-type primary and a M-type companion.
Planetary system
This system had at least two planets, including Devos II.
History
In 2375, during the Dominion War, the Dominion built a ketracel-white facility on Devos II that the Son'a controlled. The Federation was aware of this facility. Due to this, Weyoun was forced to dispatch Dominion forces to defend the system rather than pursue the USS Defiant that was fleeing the area. (DS9: "Penumbra")
Stellar cartography
In 3196, during the Omega-47 crisis, the location of Devos was depicted on star charts and readouts used across several locations on the USS Athena to locate, monitor, and respond to the Omega-47 mines laid by the Venari Ral. This system was outside the affected region. These maps showed this system in or near the Venari Ral Zone. (SA: "300th Night", "Rubincon")