A-type star · white star
24 UMi
24 UMi is a white star in the constellation Ursa Minor 153 ly from Earth. Its surface is about 7,873 K, about 1.4 times the Sun's surface temperature, and it shines at 9.33× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 153 years ago.
Also catalogued as HR 6811 · HD 166926 · HIP 85699
7,873 K
temperature
5.78
apparent magnitude
9.33× ☉
luminosity vs Sun
A2m
spectral type
Distance & comparison with our Sun
153 years
at light speed from Earth
1.36×
as hot as the Sun
9.33×
the Sun's light output
2.42
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.