K-type star · orange

HR 3400

HR 3400 is an orange in the constellation Ursa Major 266 ly from Earth. Its surface is about 4,831 K, about 0.8 times the Sun's surface temperature, and it shines at 31.65× the Sun's brightness. At magnitude 5.7 it is bright enough to see with the naked eye; the light you see left it 266 years ago.

266 lybrightness mag 5.66G8IV

Also catalogued as HD 73017 · HIP 42372

4,831 K

temperature

5.66

apparent magnitude

31.65× ☉

luminosity vs Sun

G8IV

spectral type

Distance & comparison with our Sun

266 years

at light speed from Earth

0.84×

as hot as the Sun

31.65×

the Sun's light output

1.10

absolute magnitude

Explore from here · roam the neighborhood

HR 3400K-type

Sky regionUrsa Majorthis direction

Nearest stars

Bright stars in Ursa Major

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.7To 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.