A-type star · white star

Pi Per

Pi Per is a white star in the constellation Perseus 310 ly from Earth. Its surface is about 9,381 K, about 1.6 times the Sun's surface temperature, and it shines at 105× the Sun's brightness. At magnitude 4.7 it is bright enough to see with the naked eye; the light you see left it 310 years ago.

310 lybrightness mag 4.68A2Vn

Also catalogued as HR 879 · HD 18411 · HIP 13879

9,381 K
temperature
4.68
apparent magnitude
105× ☉
luminosity vs Sun
A2Vn
spectral type
Distance & comparison with our Sun
310 years
at light speed from Earth
1.63×
as hot as the Sun
105×
the Sun's light output
-0.21
absolute magnitude
Explore from here · roam the neighborhood
Pi PerA-type
Sky regionPerseusthis direction
StarRho Per8.3 ly
StarHR 83117 ly
StarOmega Per25 ly
StarMirfakstar
StarZeta Perstar
Nearest stars
Bright stars in Perseus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.7To 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.