B-type star · blue-white star

HR 9013

HR 9013 is a blue-white star in the constellation Cepheus 303 ly from Earth. Its surface is about 10,039 K, about 1.7 times the Sun's surface temperature, and it shines at 71.85× the Sun's brightness. At magnitude 5.0 it is bright enough to see with the naked eye; the light you see left it 303 years ago.

303 lybrightness mag 5.05A1Vn

Also catalogued as HD 223274 · HIP 117371

10,039 K
temperature
5.05
apparent magnitude
71.85× ☉
luminosity vs Sun
A1Vn
spectral type
Distance & comparison with our Sun
303 years
at light speed from Earth
1.74×
as hot as the Sun
71.85×
the Sun's light output
0.21
absolute magnitude
Explore from here · roam the neighborhood
HR 9013B-type
Sky regionCepheusthis direction
StarHR 91049.2 ly
StarHR 897242 ly
Star21 Cas45 ly
StarAlderaminstar
StarErraistar
Nearest stars
Bright stars in Cepheus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.0To 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.