G-type star · yellow dwarf, like our Sun

Pi¹ UMa

Pi¹ UMa is a yellow dwarf much like our Sun in the constellation Ursa Major 46.8 ly from Earth. Its surface is about 5,898 K, and it shines at 1.00× the Sun's brightness. At magnitude 5.6 it is bright enough to see with the naked eye; the light you see left it 47 years ago.

46.8 lybrightness mag 5.63G1.5Vb

Also catalogued as HR 3391 · HD 72905 · HIP 42438 · Gliese Gl 311

5,898 K

temperature

5.63

apparent magnitude

1.00× ☉

luminosity vs Sun

G1.5Vb

spectral type

Distance & comparison with our Sun

47 years

at light speed from Earth

1.02×

as hot as the Sun

1.00×

the Sun's light output

4.84

absolute magnitude

Explore from here · roam the neighborhood

Pi¹ UMaG-type

Sky regionUrsa Majorthis direction

Nearest stars

Bright stars in Ursa Major

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.6To 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.