M-type star · red

83 UMa

83 UMa is a red in the constellation Ursa Major 524 ly from Earth. Its surface is about 3,608 K, about 0.6 times the Sun's surface temperature, and it shines at 316× the Sun's brightness. At magnitude 4.6 it is bright enough to see with the naked eye; the light you see left it 524 years ago.

524 lybrightness mag 4.63M2IIIvar

Also catalogued as HR 5154 · HD 119228 · HIP 66738

3,608 K
temperature
4.63
apparent magnitude
316× ☉
luminosity vs Sun
M2IIIvar
spectral type
Distance & comparison with our Sun
524 years
at light speed from Earth
0.63×
as hot as the Sun
316×
the Sun's light output
-1.40
absolute magnitude
Explore from here · roam the neighborhood
83 UMaM-type
Sky regionUrsa Majorthis direction
Star86 UMa48 ly
StarHR 512649 ly
Star13 Boo68 ly
StarAliothstar
StarDubhestar
Nearest stars
Bright stars in Ursa Major
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.6To see it no equipment neededLook toward Ursa Major

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.