Sector Epsilon 51-3CanonLegendsInfinities Sources Star Wars: The Rise of Skywalker: The Visual DictionaryAppearancesStar Wars Resistance — "The Core Problem" (First appearance) (Unknown)Unknown UnknownNoneStar Wars Resistance — "Descent" (Mentioned only) (First identified as Sector Epsilon 51-3) (Unknown)Unknown UnknownNoneStar Wars Resistance — "No Escape: Part 1" (Indirect mention only) (Unknown)Unknown UnknownNone