B-type star · blue-white star

Xi² CMa

Xi² CMa is a blue-white star in the constellation Canis Major 441 ly from Earth. Its surface is about 10,584 K, about 1.8 times the Sun's surface temperature, and it shines at 244× the Sun's brightness. At magnitude 4.5 it is bright enough to see with the naked eye; the light you see left it 441 years ago.

441 lybrightness mag 4.54A0III

Also catalogued as HR 2414 · HD 46933 · HIP 31416

10,584 K

temperature

4.54

apparent magnitude

244× ☉

luminosity vs Sun

A0III

spectral type

Distance & comparison with our Sun

441 years

at light speed from Earth

1.83×

as hot as the Sun

244×

the Sun's light output

-1.12

absolute magnitude

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Xi² 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 4.5To 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.