B-type star · blue-white star

HR 8473

HR 8473 is a blue-white star in the constellation Cepheus 515 ly from Earth. Its surface is about 10,838 K, about 1.9 times the Sun's surface temperature, and it shines at 62.12× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 515 years ago.

515 lybrightness mag 6.36B9MNp...

Also catalogued as HD 210873 · HIP 109434

10,838 K
temperature
6.36
apparent magnitude
62.12× ☉
luminosity vs Sun
B9MNp...
spectral type
Distance & comparison with our Sun
515 years
at light speed from Earth
1.88×
as hot as the Sun
62.12×
the Sun's light output
0.37
absolute magnitude
Explore from here · roam the neighborhood
HR 8473B-type
Sky regionCepheusthis direction
StarHR 855722 ly
StarHR 834229 ly
StarHR 884476 ly
StarAlderaminstar
StarErraistar
Nearest stars
Bright stars in Cepheus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.4To 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.