Calufrax system
From Tardis Wiki, the free Doctor Who reference
The Calufrax system was a binary star system with seven planets, one of which was Calufrax until it was destroyed by Zanak in 1978. (PROSE: The Pirate Planet) Other planets included Callufrax Minor (TV: The Stolen Earth) and Calufrax Major. (PROSE: The Secret in Vault 13)
