F-type star · yellow-white star
9 Cyg
9 Cyg is a yellow-white star in the constellation Cygnus 558 ly from Earth. Its surface is about 6,043 K, and it shines at 178× the Sun's brightness. At magnitude 5.4 it is bright enough to see with the naked eye; the light you see left it 558 years ago.
Also catalogued as HR 7441 · HD 184759 · HIP 96302
6,043 K
temperature
5.39
apparent magnitude
178× ☉
luminosity vs Sun
A0V+...
spectral type
Distance & comparison with our Sun
558 years
at light speed from Earth
1.05×
as hot as the Sun
178×
the Sun's light output
-0.78
absolute magnitude
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VISIBLE TO THE NAKED EYE
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.