B-type star · blue-white star

HR 2364

HR 2364 is a blue-white star in the constellation Canis Major 863 ly from Earth. Its surface is about 12,692 K, about 2.2 times the Sun's surface temperature, and it shines at 308× the Sun's brightness. At magnitude 5.7 it is bright enough to see with the naked eye; the light you see left it 863 years ago.

863 lybrightness mag 5.74B5IV

Also catalogued as HD 45871 · HIP 30840

12,692 K

temperature

5.74

apparent magnitude

308× ☉

luminosity vs Sun

B5IV

spectral type

Distance & comparison with our Sun

863 years

at light speed from Earth

2.20×

as hot as the Sun

308×

the Sun's light output

-1.37

absolute magnitude

Explore from here · roam the neighborhood

HR 2364B-type

Sky regionCanis Majorthis direction

Nearest stars

Bright stars in Canis Major

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.7To 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.