Proper Names | Algieba, Juba | Bayer Designation | Gamma1,2 Leonis | Flamsteed Number | 41 Leonis | HR (BSC) | 4057 (A), 4058 (B) | HD | 89484 (A), 89485 (B) | Constellation | Leo | Right Ascension | 10h 19m 58s (A), 10h 19m 59s (B) | Declination | +19° 50' 29" (A), +19° 50' 27" (B) | Distance | 130 light years 40 parsecs | Magnitude | Apparent: +2.2 (A), +3.5 (B) Absolute: -0.8 (A), +0.5 (B) | Spectral Class | K1III Orange Giant (A), G7III Yellow Giant (B) | Planets in this system | Algieba b (Gamma1 Leonis b), gas giant | Optimum Visibility | March | Notes | This pair of giant stars circle one another over a period of some 510 years. The orange star (which is about twice the size of its yellow companion) has at least one planet in orbit, a gas giant designated Algieba b or Gamma 1 Leonis b. |
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