A-type star · white star

HR 2758

HR 2758 is a white star in the constellation Canis Major 269 ly from Earth. Its surface is about 9,236 K, about 1.6 times the Sun's surface temperature, and it shines at 38.80× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 269 years ago.

269 lybrightness mag 5.46A1V

Also catalogued as HD 56405 · HIP 35180 · Gliese GJ 9228

9,236 K

temperature

5.46

apparent magnitude

38.80× ☉

luminosity vs Sun

A1V

spectral type

Distance & comparison with our Sun

269 years

at light speed from Earth

1.60×

as hot as the Sun

38.80×

the Sun's light output

0.88

absolute magnitude

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HR 2758A-type

Sky regionCanis Majorthis direction

Nearest stars

Bright stars in Canis Major

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.5To 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.