B-type star · blue-white star

HR 2244

HR 2244 is a blue-white star in the constellation Canis Major 408 ly from Earth. Its surface is about 11,216 K, about 1.9 times the Sun's surface temperature, and it shines at 136× the Sun's brightness. At magnitude 5.0 it is bright enough to see with the naked eye; the light you see left it 408 years ago.

408 lybrightness mag 5.00B9V

Also catalogued as HD 43445 · HIP 29735

11,216 K
temperature
5.00
apparent magnitude
136× ☉
luminosity vs Sun
B9V
spectral type
Distance & comparison with our Sun
408 years
at light speed from Earth
1.94×
as hot as the Sun
136×
the Sun's light output
-0.48
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.0To see it no equipment neededLook toward Canis Major

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.