A-type star · white star

Upsilon UMa

Upsilon UMa is a white star in the constellation Ursa Major 116 ly from Earth. Its surface is about 7,520 K, about 1.3 times the Sun's surface temperature, and it shines at 34.04× the Sun's brightness. At magnitude 3.8 it is bright enough to see with the naked eye; the light you see left it 116 years ago.

116 lybrightness mag 3.78F0IV

Also catalogued as HR 3888 · HD 84999 · HIP 48319

7,520 K

temperature

3.78

apparent magnitude

34.04× ☉

luminosity vs Sun

F0IV

spectral type

Distance & comparison with our Sun

116 years

at light speed from Earth

1.30×

as hot as the Sun

34.04×

the Sun's light output

1.02

absolute magnitude

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Upsilon UMaA-type

Sky regionUrsa Majorthis direction

Nearest stars

Bright stars in Ursa Major

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VISIBLE TO THE NAKED EYE

Brightness mag 3.8To 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.