K-type star · orange
Upsilon Leo
Upsilon Leo is an orange in the constellation Leo 182 ly from Earth. Its surface is about 4,784 K, about 0.8 times the Sun's surface temperature, and it shines at 51.38× the Sun's brightness. At magnitude 4.3 it is bright enough to see with the naked eye; the light you see left it 181 years ago.
Also catalogued as HR 4471 · HD 100920 · HIP 56647
4,784 K
temperature
4.30
apparent magnitude
51.38× ☉
luminosity vs Sun
G9III
spectral type
Distance & comparison with our Sun
181 years
at light speed from Earth
0.83×
as hot as the Sun
51.38×
the Sun's light output
0.57
absolute magnitude
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VISIBLE TO THE NAKED EYE
Star data from the HYG database v4.2 (Astronexus, CC BY-SA 4.0). Temperature and colour computed by gravityfinder from the B-V colour index; the illustration is generated from that temperature, not a photograph.