K-type star · orange
Epsilon UMi
Epsilon UMi is an orange in the constellation Ursa Minor 304 ly from Earth. Its surface is about 5,004 K, about 0.9 times the Sun's surface temperature, and it shines at 157× the Sun's brightness. At magnitude 4.2 it is bright enough to see with the naked eye; the light you see left it 304 years ago.
Also catalogued as HR 6322 · HD 153751 · HIP 82080
5,004 K
temperature
4.21
apparent magnitude
157× ☉
luminosity vs Sun
G5IIIvar
spectral type
Distance & comparison with our Sun
304 years
at light speed from Earth
0.87×
as hot as the Sun
157×
the Sun's light output
-0.64
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.