Arcturus

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 's ready room viewscreen. The system's symbol had a color, indicating that it was affiliated with the Federation. ()
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 in 2401. Arcturus was in or near to Federation space. ()
In 2401, the location of Arcturus was labeled on a star chart that was seen on the '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. ()
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 . ()
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. ()
== Appendices ==
=== Background information ===
Arcturus is a described as the densely populated homeworld of the Arcturians. (The Making of Star Trek: The Motion Picture, p. 131; , "Who is that Alien?", )
In an early story outline for the episode (), 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 episode (), 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 and .
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Category:Star systems