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Algieba

Juba, Gamma1,2 Leonis, 41 Leonis

Proper NamesAlgieba, Juba
Bayer DesignationGamma1,2 Leonis
Flamsteed Number41 Leonis
HR (BSC)4057 (A), 4058 (B)
HD89484 (A), 89485 (B)
ConstellationLeo
Right Ascension10h 19m 58s (A), 10h 19m 59s (B)
Declination+19° 50' 29" (A), +19° 50' 27" (B)
Distance126 light years
39 parsecs
MagnitudeApparent: +2.2 (A), +3.5 (B)
Absolute: -0.8 (A), +0.5 (B)
Spectral ClassK1III Orange Giant (A), G7III Yellow Giant (B)
Optimum VisibilityMarch
NotesThis 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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