B-type star · blue-white star
81 UMa
Also catalogued as HR 5109 · HD 118214 · HIP 66198
10,303 K
temperature
5.60
apparent magnitude
42.03× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
299 years
at light speed from Earth
1.78×
as hot as the Sun
42.03×
the Sun's light output
0.79
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.