K-type star · orange
20 UMi
20 UMi is an orange in the constellation Ursa Minor 654 ly from Earth. Its surface is about 4,152 K, about 0.7 times the Sun's surface temperature, and it shines at 99.91× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 654 years ago.
Also catalogued as HR 6082 · HD 147142 · HIP 79420
4,152 K
temperature
6.36
apparent magnitude
99.91× ☉
luminosity vs Sun
K2IV
spectral type
Distance & comparison with our Sun
654 years
at light speed from Earth
0.72×
as hot as the Sun
99.91×
the Sun's light output
-0.15
absolute magnitude
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BINOCULARS NEEDED
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.