Aldebaran or al-dabarān was a star visible from Earth's skies. In 9th century Sudan, Nisrin observed it and called it by its Arabic name. (AUDIO: The Destroyer of Delights) The Seventh Doctor observed it in the sky over Paris in 1897. (PROSE: The Death of Art)
Emigrants from the Aldebaran system sometimes sent money back to Aldebaran banks. (PROSE: Grimm Reality) Planets in the system included Aldebaran II (AUDIO: The Paradise of Death) and Aldebaran III. (TV: The Pirate Planet) Jack Harkness knew of a place near Aldebaran which had great Curry, and offered to take Rose Tyler and the Ninth Doctor there during his trips in The TARDIS. (COMIC: Hot Springs Eternal)
"By Aldebaran!" was an oath Rolf used to express surprise. (COMIC: Ship of Fools) Aldebaran Instant was a brand of tea. (PROSE: The Tomorrow Windows) River Song had a bottle of Aldebaran brandy hidden in one of the TARDIS roundels. (TV: The Husbands of River Song)