Regulus
- Also known as Alpha Leonis
- Quaternary system
- Regulus A chief primary, orbited by white dwarf
- Upon death of Regulus A primary, Regulus A swelled to blue giant (TOS Novel: The Captain's Oath)
- Innermost planets vaporized (TOS Novel: The Captain's Oath)
- More distant rocky worlds became habitable (TOS Novel: The Captain's Oath)
- Sudden ecological shift resulted in accelerated evolution (TOS Novel: The Captain's Oath)
- Upon death of Regulus A primary, Regulus A swelled to blue giant (TOS Novel: The Captain's Oath)
- Regulus BC binary pair orbiting at extreme distance
- Regulus A chief primary, orbited by white dwarf
- In the Beta Quadrant near the Federation/Klingon/Romulan triborder, within Regulus Sector (TOS Novel: Ex Machina)
- About 16 parsecs from Rasalas; three days at warp 6 (OS) (TOS Novel: The Captain's Oath)
- Starbase 22 in stellar orbit (TOS Novel: Ex Machina; Ex Machina annotations)
- Unrelated to the Regulus approximately 300 light years from core territories except by name
- High levels of ultraviolet radiation throughout system (TOS Novel: The Captain's Oath)
History
- c.28th millennium BCE: The Veliki begin using the Regulus system as a massive genetic engineering laboratory to practice development of UV-resistant lifeforms. (TOS Novel: The Captain's Oath)
- Such experimentation includes the creation of the Regulan bloodworm of Regulus II, the Regulan phoenix of Regulus V. (TOS Novel: The Captain's Oath)
- Regulus system abandoned upon its takeover by a rogue faction pushing eugenics for personal power, overthrow of said faction following strikes on surrounding systems. (TOS Novel: The Captain's Oath)
Political Structure
- Population
- 2264: Over 1,000,000,000 (TOS Novel: The Captain's Oath)
- Capital city: Unknown city, Regulus III (TOS Novel: The Captain's Oath)
- Nation
- - c.21th century - c.22nd century - : Independent (TOS Novel: The Captain's Oath)
- Confederacy of Vulcan protectorate (TOS Novel: The Captain's Oath)
- - 2254 - Present: United Federation of Planets (TOS: "The Cage", "Amok Time"; TOS Novel: The Captain's Oath; DS9: "Fascination")
- - c.21th century - c.22nd century - : Independent (TOS Novel: The Captain's Oath)
- Military: Regulan Defense Force (TOS Novel: The Captain's Oath)
- Founded prior to [[Starfleet] (TOS Novel: The Captain's Oath)
- Legislature: Central Council (TOS Novel: The Captain's Oath)
Known Planets
- Hearthside (Regulus I)
- Regulus II
- Regulus III
- Regulus V
- Regulus VI