K-type star · orange

17 Per

17 Per is an orange in the constellation Perseus 467 ly from Earth. Its surface is about 3,714 K, about 0.6 times the Sun's surface temperature, and it shines at 268× the Sun's brightness. At magnitude 4.6 it is bright enough to see with the naked eye; the light you see left it 467 years ago.

467 lybrightness mag 4.56K5III

Also catalogued as HR 843 · HD 17709 · HIP 13328

3,714 K
temperature
4.56
apparent magnitude
268× ☉
luminosity vs Sun
K5III
spectral type
Distance & comparison with our Sun
467 years
at light speed from Earth
0.64×
as hot as the Sun
268×
the Sun's light output
-1.22
absolute magnitude
Explore from here · roam the neighborhood
17 PerK-type
Sky regionPerseusthis direction
StarHR 81916 ly
Star14 Tri47 ly
StarHR 97855 ly
StarMirfakstar
StarZeta Perstar
Nearest stars
Bright stars in Perseus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.6To 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.