K-type star · orange

70 UMa

70 UMa is an orange in the constellation Ursa Major 636 ly from Earth. Its surface is about 3,867 K, about 0.7 times the Sun's surface temperature, and it shines at 201× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 636 years ago.

636 lybrightness mag 5.54K5III

Also catalogued as HR 4701 · HD 107465 · HIP 60212

3,867 K
temperature
5.54
apparent magnitude
201× ☉
luminosity vs Sun
K5III
spectral type
Distance & comparison with our Sun
636 years
at light speed from Earth
0.67×
as hot as the Sun
201×
the Sun's light output
-0.91
absolute magnitude
Explore from here · roam the neighborhood
70 UMaK-type
Sky regionUrsa Majorthis direction
StarHR 493663 ly
StarHR 456976 ly
StarHR 472787 ly
StarAliothstar
StarDubhestar
Nearest stars
Bright stars in Ursa Major
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.5To 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.