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"Prosperity awaits you in Halcyon - humanity's furthest colony, located on the very edge of the frontier! Come bask in a lifetime of guaranteed full employment*, with only a minor term of [REDACTED] years of service!"
― Obsidian Entertainment
Halcyon is the system in which the Outer Worlds is based. Halcyon is part of the Halcyon Cluster, so named because Halcyon is the brightest star in the cluster when viewed from Earth. The two major orbital bodies in the system are Terra 2 and Monarch.
Ten corporations joined together and formed the Halcyon Holdings Corporation (would become better known as The Board) to buy the rights to the Halcyon system from the Earth Directorate. They sent out their first colony ship in the early 23rd century.