Celes

Celes, also known as Tau Hydrae, was an inhabited planetary system in the Beta Quadrant. It was a trinary star system organized into a binary star system (Tau1 Hydrae Aa and Tau1 Hydrae Ab) and a single star system (Tau1 Hydrae B). The Celes system had at least two planets, including Celes II.

Stellar cartography

The Celes system was visible from Earth in the constellation Hydra. The system was approximately 58.91 light years from Sol.

In 2151, this system's position was labeled on an United Earth star chart which was displayed in Daniels' quarters aboard the Enterprise. (ENT: "Cold Front")

In 2256, this star system's location was labeled on the star chart "Alpha/Beta Quadrant Overview" in the ready room aboard the USS Discovery. (DIS: "Magic to Make the Sanest Man Go Mad")

In 2259, the location of this system was labeled on a stellar cartography chart that was seen on the USS Enterprise's ready room viewscreen. This system's symbol had a blue color, indicating that it was affiliated with the United Federation of Planets. (SNW: "Strange New Worlds", "Spock Amok")

On stardate 1292.4, the location of this system was labeled in a chart used during a Section 31 Alpha Team briefing. (Star Trek: Section 31)

The system's location was labeled in a Federation star chart that was in Fleet Admiral Kirsten Clancy's office at Starfleet Headquarters in 2399 and on the bridge of the USS Titan-A in 2401. The Celes system was in or near to Federation space. (PIC: "Maps and Legends", "The Next Generation", "Disengage")

In 3189, the location of Celes was denoted on a holographic star chart of the Milky Way Galaxy at Federation Headquarters. (DIS: "Die Trying")

DMA star chart 4

Celes on a star chart in 3190, near Kelfour and (Beta) Rigel

In 3190, the location of Celes was labeled on a star chart used by Commander Paul Stamets for tracking the movement of the Dark Matter Anomaly through the galaxy. (DIS: "The Examples")

Information on this system was derived from the episodes and films, the reference works Star Trek: Star Charts and Stellar Cartography: The Starfleet Reference Library, and real-world sources. The reference works were used extensively in the creation of star charts seen in Star Trek: Discovery, Star Trek: Picard, Star Trek: Strange New Worlds, Star Trek: Prodigy, and Star Trek: Lower Decks. The real-world information added to the article was current as of 2025.

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