B-type star · blue-white star

HR 7807

HR 7807 is a blue-white star in the constellation Cygnus 1,353 ly from Earth. Its surface is about 12,967 K, about 2.2 times the Sun's surface temperature, and it shines at 673× the Sun's brightness. At magnitude 5.9 it is bright enough to see with the naked eye; the light you see left it 1,353 years ago.

1,353 lybrightness mag 5.87B2Vne

Also catalogued as HD 194335 · HIP 100574

12,967 K

temperature

5.87

apparent magnitude

673× ☉

luminosity vs Sun

B2Vne

spectral type

Distance & comparison with our Sun

1,353 years

at light speed from Earth

2.25×

as hot as the Sun

673×

the Sun's light output

-2.22

absolute magnitude

Explore from here · roam the neighborhood

HR 7807B-type

Sky regionCygnusthis direction

Nearest stars

Bright stars in Cygnus

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.9To see it no equipment neededLook toward Cygnus

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.