K-type star · orange

Pi² UMa

Pi² UMa is an orange in the constellation Ursa Major 256 ly from Earth. Its surface is about 4,350 K, about 0.8 times the Sun's surface temperature, and it shines at 78.27× the Sun's brightness. At magnitude 4.6 it is bright enough to see with the naked eye; the light you see left it 256 years ago.

256 lybrightness mag 4.59K2III

Also catalogued as HR 3403 · HD 73108 · HIP 42527

4,350 K
temperature
4.59
apparent magnitude
78.27× ☉
luminosity vs Sun
K2III
spectral type
Distance & comparison with our Sun
256 years
at light speed from Earth
0.75×
as hot as the Sun
78.27×
the Sun's light output
0.12
absolute magnitude
Explore from here · roam the neighborhood
Pi² UMaK-type
Sky regionUrsa Majorthis direction
Star28 UMa32 ly
Star5 UMa36 ly
StarHR 388541 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.