B-type star · blue-white star

HD 172226

HD 172226 is a blue-white star in the constellation Octans 553 ly from Earth. Its surface is about 10,556 K, about 1.8 times the Sun's surface temperature, and it shines at 72.18× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 553 years ago.

553 lybrightness mag 6.35B9/B9.5V

Also catalogued as HIP 93117

10,556 K
temperature
6.35
apparent magnitude
72.18× ☉
luminosity vs Sun
B9/B9.5V
spectral type
Distance & comparison with our Sun
553 years
at light speed from Earth
1.83×
as hot as the Sun
72.18×
the Sun's light output
0.20
absolute magnitude
Explore from here · roam the neighborhood
HD 172226B-type
Sky regionOctansthis direction
StarHR 691222 ly
StarHR 778549 ly
StarHR 613984 ly
StarNu Octstar
StarBeta Octstar
Nearest stars
Bright stars in Octans
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Octans

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.