B-type star · blue-white star
Omega UMa
Omega UMa is a blue-white star in the constellation Ursa Major 246 ly from Earth. Its surface is about 10,639 K, about 1.8 times the Sun's surface temperature, and it shines at 67.98× the Sun's brightness. At magnitude 4.7 it is bright enough to see with the naked eye; the light you see left it 246 years ago.
Also catalogued as HR 4248 · HD 94334 · HIP 53295
10,639 K
temperature
4.66
apparent magnitude
67.98× ☉
luminosity vs Sun
A1Vs
spectral type
Distance & comparison with our Sun
246 years
at light speed from Earth
1.84×
as hot as the Sun
67.98×
the Sun's light output
0.27
absolute magnitude
Explore from here · roam the neighborhood
Nearest stars
Can you see it tonight?
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.