A-type star · white star

HR 8745

HR 8745 is a white star in the constellation Cepheus 1,076 ly from Earth. Its surface is about 9,978 K, about 1.7 times the Sun's surface temperature, and it shines at 247× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 1,076 years ago.

1,076 lybrightness mag 6.46B9III

Also catalogued as HD 217348 · HIP 113498

9,978 K
temperature
6.46
apparent magnitude
247× ☉
luminosity vs Sun
B9III
spectral type
Distance & comparison with our Sun
1,076 years
at light speed from Earth
1.73×
as hot as the Sun
247×
the Sun's light output
-1.13
absolute magnitude
Explore from here · roam the neighborhood
HR 8745A-type
Sky regionCepheusthis direction
Star1 Cas56 ly
StarHR 867779 ly
StarHR 881186 ly
StarAlderaminstar
StarErraistar
Nearest stars
Bright stars in Cepheus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.5To 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.