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Arcturus was a star system in the Alpha Quadrant.

In 2259, the location of this system was seen on a stellar cartography chart seen on the USS Enterprise's ready room viewscreen. The system's symbol had a blue color, indicating that it was affiliated with the Federation. (SNW: "A Quality of Mercy")

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. Arcturus was in or near to Federation space. (PIC: "Maps and Legends", "The Next Generation", "Disengage")

In 2401, the location of Arcturus was labeled on a star chart that was seen on the USS Stargazer's bridge viewscreen. The chart was used to show the location of the combined Starfleet-Borg armada and where it needed to go to face a galactic-level threat. (PIC: "Farewell")

Later that year, this system's position was labeled on a star chart used by Captain William T. Riker during his attempt at finding the last known location of the SS Eleos XII. (PIC: "The Next Generation")

DMA star chart 2

Location of Arcturus labeled on a star chart (3190)

In 3190, the location of Arcturus 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")

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Background information[]

Arcturus is a real star described as the densely populated homeworld of the Arcturians. (The Making of Star Trek: The Motion Picture, p. 131; Star Trek: The Magazine Volume 2, Issue 9, "Who is that Alien?", January 2002)

In an early story outline for the Star Trek: The Original Series episode "The Cage" (29 June 1964), when the lead was still Robert April, the captive creatures kept by the Talosians in their zoo-menagerie included a race that was reminiscent of a "civilization April himself has seen –the intelligent Lemur-life of a Class M planet in the Arcturus system." (The Making of Star Trek, p. 59)

The term "Arcturus" would also appear in the pronunciation guide of the script for the Star Trek: The Next Generation episode "Attached" (7 September 1993), but further references to the term are excised from the remainder of the script.

According to Star Trek: Star Charts ("United Federation of Planets I") and Stellar Cartography: The Starfleet Reference Library ("Federation Historical Highlights, 2161-2385"), the primary of the Arcturus (Alpha Boötis) system was a K-class star. A planet in this system was known as Arcturus, which was a Federation member in the late 24th century.

Two ships were named for the Hawaiian name for the star, the SS Hokule'a and USS Hokule'a.

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