B-type star · blue-white star

HR 2433

HR 2433 is a blue-white star in the constellation Canis Major 1,052 ly from Earth. Its surface is about 11,867 K, about 2.1 times the Sun's surface temperature, and it shines at 261× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 1,052 years ago.

1,052 lybrightness mag 6.35B3V

Also catalogued as HD 47247 · HIP 31593

11,867 K

temperature

6.35

apparent magnitude

261× ☉

luminosity vs Sun

B3V

spectral type

Distance & comparison with our Sun

1,052 years

at light speed from Earth

2.06×

as hot as the Sun

261×

the Sun's light output

-1.19

absolute magnitude

Explore from here · roam the neighborhood

HR 2433B-type

Sky regionCanis Majorthis direction

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.