B-type star · blue-white star

HR 9011

HR 9011 is a blue-white star in the constellation Andromeda 1,042 ly from Earth. Its surface is about 12,197 K, about 2.1 times the Sun's surface temperature, and it shines at 329× the Sun's brightness. At magnitude 6.1 it is within reach of 50 mm binoculars; the light you see left it 1,042 years ago.

1,042 lybrightness mag 6.08B3IV

Also catalogued as HD 223229 · HIP 117340

12,197 K
temperature
6.08
apparent magnitude
329× ☉
luminosity vs Sun
B3IV
spectral type
Distance & comparison with our Sun
1,042 years
at light speed from Earth
2.11×
as hot as the Sun
329×
the Sun's light output
-1.44
absolute magnitude
Explore from here · roam the neighborhood
HR 9011B-type
Sky regionAndromedathis direction
StarPsi And39 ly
StarHR 905783 ly
StarHR 62120 ly
StarAlpheratzstar
StarMirachstar
Nearest stars
Bright stars in Andromeda
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.1To see it 50 mm binocularsLook toward Andromeda

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.