K-type star · orange

3 Per

3 Per is an orange in the constellation Perseus 245 ly from Earth. Its surface is about 4,731 K, about 0.8 times the Sun's surface temperature, and it shines at 25.73× the Sun's brightness. At magnitude 5.7 it is bright enough to see with the naked eye; the light you see left it 245 years ago.

245 lybrightness mag 5.70K0IV

Also catalogued as HR 568 · HD 11949 · HIP 9222

4,731 K
temperature
5.70
apparent magnitude
25.73× ☉
luminosity vs Sun
K0IV
spectral type
Distance & comparison with our Sun
245 years
at light speed from Earth
0.82×
as hot as the Sun
25.73×
the Sun's light output
1.32
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.7To see it no equipment neededLook toward Perseus

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.