The region that freighter pilots in the sector referred to as the AX system was situated within the Barma sector of the Colonies. In orbit around the system's dwarf star were a multitude of planetoids, one of which was AX-456, and three planets: AX-2, AX-3, and AX-12.
- Wizards.com's Kyle Katarn's Tale, Mission 1 (backup link) (original site no longer active) (Initially identified as the AX system)
- The Essential Atlas (referred to as the "AX-456 system")
- StarWars.com's Star Wars: The Essential Atlas Online Companion (article) (backup link) (referred to as the "AX-456 system")