B-type star · blue-white star

Kappa Cep

Kappa Cep is a blue-white star in the constellation Cepheus 315 ly from Earth. Its surface is about 10,738 K, about 1.9 times the Sun's surface temperature, and it shines at 144× the Sun's brightness. At magnitude 4.4 it is bright enough to see with the naked eye; the light you see left it 315 years ago.

315 lybrightness mag 4.38B9III

Also catalogued as HR 7750 · HD 192907 · HIP 99255

10,738 K
temperature
4.38
apparent magnitude
144× ☉
luminosity vs Sun
B9III
spectral type
Distance & comparison with our Sun
315 years
at light speed from Earth
1.86×
as hot as the Sun
144×
the Sun's light output
-0.54
absolute magnitude
Explore from here · roam the neighborhood
Kappa CepB-type
Sky regionCepheusthis direction
StarHR 716034 ly
StarHR 711734 ly
StarHR 793036 ly
StarAlderaminstar
StarErraistar
Nearest stars
Bright stars in Cepheus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.4To see it no equipment neededLook toward Cepheus

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.