B-type star · blue-white star

HR 2756

HR 2756 is a blue-white star in the constellation Canis Major 628 ly from Earth. Its surface is about 12,589 K, about 2.2 times the Sun's surface temperature, and it shines at 232× the Sun's brightness. At magnitude 5.4 it is bright enough to see with the naked eye; the light you see left it 628 years ago.

628 lybrightness mag 5.36B2V

Also catalogued as HD 56342 · HIP 35083

12,589 K

temperature

5.36

apparent magnitude

232× ☉

luminosity vs Sun

B2V

spectral type

Distance & comparison with our Sun

628 years

at light speed from Earth

2.18×

as hot as the Sun

232×

the Sun's light output

-1.06

absolute magnitude

Explore from here · roam the neighborhood

HR 2756B-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.