B-type star · blue-white star

Campbell's Hydrogen Star

Campbell's Hydrogen Star is a blue-white star in the constellation Cygnus. Its surface is about 10,290 K, about 1.8 times the Sun's surface temperature, and it shines at 870,964× the Sun's brightness. At magnitude 10.0 it is within reach of 50 mm binoculars.

Also on: Named stars, A to Z · Stars in Cygnus

brightness mag 10.00WC...

Also catalogued as HD 184738 · HIP 96295

10,290 K

temperature

10.00

apparent magnitude

870,964× ☉

luminosity vs Sun

WC...

spectral type

Distance & comparison with our Sun

–

at light speed from Earth

1.78×

as hot as the Sun

870,964×

the Sun's light output

-10.00

absolute magnitude

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Campbell's Hydrogen StarB-type

Sky regionCygnusthis direction

Nearest stars

Bright stars in Cygnus

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BINOCULARS NEEDED

Brightness mag 10.0To see it 50 mm binocularsLook 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.