B-type star · blue-white star

29 CMa

29 CMa is a blue-white star in the constellation Canis Major 1,907 ly from Earth. Its surface is about 12,692 K, about 2.2 times the Sun's surface temperature, and it shines at 3,327× the Sun's brightness. At magnitude 4.9 it is bright enough to see with the naked eye; the light you see left it 1,907 years ago.

1,907 lybrightness mag 4.88O7f

Also catalogued as HR 2781 · HD 57060 · HIP 35412

12,692 K

temperature

4.88

apparent magnitude

3,327× ☉

luminosity vs Sun

O7f

spectral type

Distance & comparison with our Sun

1,907 years

at light speed from Earth

2.20×

as hot as the Sun

3,327×

the Sun's light output

-3.96

absolute magnitude

Explore from here · roam the neighborhood

29 CMaB-type

Sky regionCanis Majorthis direction

Nearest stars

Bright stars in Canis Major

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 4.9To 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.