K-type star · orange

HR 3939

500 lybrightness mag 5.50K5III

Also catalogued as HD 86378 · HIP 49005

3,813 K

temperature

5.50

apparent magnitude

129× ☉

luminosity vs Sun

K5III

spectral type

Distance & comparison with our Sun

500 years

at light speed from Earth

0.66×

as hot as the Sun

129×

the Sun's light output

-0.43

absolute magnitude

Explore from here · roam the neighborhood

HR 3939K-type

Sky regionUrsa Majorthis direction

Nearest stars

HR 3922 →26 ly apart
30Phi UMa →27 ly apart
HR 4052 →46 ly apart
HR 3870 →55 ly apart
HR 4165 →71 ly apart
HR 3854 →86 ly apart

Bright stars in Ursa Major

Alioth →mag 1.8
Dubhe →mag 1.8
Alkaid →mag 1.9
Merak →mag 2.3
Phecda →mag 2.4
52Psi UMa →mag 3.0
Tania Australis →mag 3.1
Talitha →mag 3.1

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.