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Upsilon Leonis

91 Leonis

Proper NameNone
Bayer DesignationUpsilon Leonis
Flamsteed Number91 Leonis
HR (BSC)4471
Right Ascension11h 37m 53s
Declination-0° 55' 29"
Distance182 light years
56 parsecs
MagnitudeApparent: +4.3
Absolute: +0.57
Spectral ClassG9III Yellow Giant
Optimum VisibilityMarch / April
NotesUpsilon Leonis is an old yellow star of the giant class, considerably more luminous than the Sun, and notable for its slow rotation rate - so slow in fact that it cannot be measured. This star lies in the southern parts of Leo, very close to that constellation's border with Virgo.


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