M-type star · red

12 Cep

12 Cep is a red in the constellation Cepheus 458 ly from Earth. Its surface is about 3,684 K, about 0.6 times the Sun's surface temperature, and it shines at 105× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 458 years ago.

458 lybrightness mag 5.53M1III

Also catalogued as HR 8339 · HD 207528 · HIP 107586

3,684 K
temperature
5.53
apparent magnitude
105× ☉
luminosity vs Sun
M1III
spectral type
Distance & comparison with our Sun
458 years
at light speed from Earth
0.64×
as hot as the Sun
105×
the Sun's light output
-0.21
absolute magnitude
Explore from here · roam the neighborhood
12 CepM-type
Sky regionCepheusthis direction
Star18 Cep42 ly
StarHR 817958 ly
StarHR 862161 ly
StarAlderaminstar
StarErraistar
Nearest stars
Bright stars in Cepheus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.5To 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.