B-type star · blue-white star

HR 2733

HR 2733 is a blue-white star in the constellation Canis Major 1,424 ly from Earth. Its surface is about 13,211 K, about 2.3 times the Sun's surface temperature, and it shines at 484× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 1,424 years ago.

1,424 lybrightness mag 6.34B2IV

Also catalogued as HD 55856 · HIP 34940

13,211 K
temperature
6.34
apparent magnitude
484× ☉
luminosity vs Sun
B2IV
spectral type
Distance & comparison with our Sun
1,424 years
at light speed from Earth
2.29×
as hot as the Sun
484×
the Sun's light output
-1.86
absolute magnitude
Explore from here · roam the neighborhood
HR 2733B-type
Sky regionCanis Majorthis direction
StarHR 276420 ly
StarHR 284188 ly
StarHR 2625100 ly
StarAdharastar
StarWezenstar
Nearest stars
Bright stars in Canis Major
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook 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.