B-type star · blue-white star

HR 2823

HR 2823 is a blue-white star in the constellation Canis Major 1,109 ly from Earth. Its surface is about 12,881 K, about 2.2 times the Sun's surface temperature, and it shines at 691× the Sun's brightness. At magnitude 5.4 it is bright enough to see with the naked eye; the light you see left it 1,109 years ago.

1,109 lybrightness mag 5.41B2/B3II/III

Also catalogued as HD 58286 · HIP 35855

12,881 K

temperature

5.41

apparent magnitude

691× ☉

luminosity vs Sun

B2/B3II/III

spectral type

Distance & comparison with our Sun

1,109 years

at light speed from Earth

2.23×

as hot as the Sun

691×

the Sun's light output

-2.25

absolute magnitude

Explore from here · roam the neighborhood

HR 2823B-type

Sky regionCanis Majorthis direction

Nearest stars

Bright stars in Canis Major

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.4To 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.