M-type star · red

HR 8347

HR 8347 is a red in the constellation Cepheus 886 ly from Earth. Its surface is about 3,535 K, about 0.6 times the Sun's surface temperature, and it shines at 217× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 886 years ago.

886 lybrightness mag 6.18M1II-III

Also catalogued as HD 207780 · HIP 107723

3,535 K
temperature
6.18
apparent magnitude
217× ☉
luminosity vs Sun
M1II-III
spectral type
Distance & comparison with our Sun
886 years
at light speed from Earth
0.61×
as hot as the Sun
217×
the Sun's light output
-0.99
absolute magnitude
Explore from here · roam the neighborhood
HR 8347M-type
Sky regionCepheusthis direction
StarHR 838849 ly
Star25 Cep68 ly
StarZeta Cep79 ly
StarAlderaminstar
StarErraistar
Nearest stars
Bright stars in Cepheus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.2To see it 50 mm binocularsLook 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.