Tau Boötis

Tau Boötis was a star system in the Alpha Quadrant.

This was a binary star system. The system consisted of the yellow-white subgiant primary Tau Boötis A and red dwarf companion Tau Boötis B. (ENT: "Cold Front")

Stellar cartography

The Tau Boötis system was visible from Earth in the constellation Boötes. It was approximately 51 light years from Sol.

In the 2150s, this system's position was labeled on an United Earth star chart which was displayed in several crew and guest quarters aboard the Enterprise. (Star Trek: Enterprise, set decoration)

Appendices

Background information

This star system was only mentioned in writing.

The star chart seen in the series Star Trek: Enterprise made its first appearance in Crewman Daniels quarters in "Cold Front". It was also seen in several other episodes of the series, from 2151 to 2154. (For more information, see Federation star charts#United Earth Alpha/Beta star chart)

Information on this system was derived from 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.

As of 2025, the system was confirmed to have one planet, which was the gas giant Tau Boötis b that orbited Tau Boötis A.

External links

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