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 4-6" (100-150 mm) telescope.

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
Explore from here · roam the neighborhood
Campbell's Hydrogen StarB-type
Sky regionCygnusthis direction
StarHR 755124,000 ly
StarHR 767838,000 ly
Star34 Cyg66,000 ly
StarSadrstar
StarAljanahstar
Nearest stars
Bright stars in Cygnus
Can you see it tonight?
SMALL TELESCOPE NEEDED
Brightness mag 10.0To see it 4-6" (100-150 mm) telescopeLook 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.