Proxima Centauri was the first extrasolar star to be visited by humanity. Susie Fontana Brooke reached the star some time after 2059 onboard the first lightspeed ship. (TV: The Waters of Mars)

It was the primary star of the Proxima System. (AUDIO: The Dalek Contract)

Luparis was the third planet orbiting Proxima Centauri. (AUDIO: Hexagora)