B-type star · blue-white star
28 Cyg
28 Cyg is a blue-white star in the constellation Cygnus 1,035 ly from Earth. Its surface is about 12,273 K, about 2.1 times the Sun's surface temperature, and it shines at 936× the Sun's brightness. At magnitude 4.9 it is bright enough to see with the naked eye; the light you see left it 1,035 years ago.
Also catalogued as HR 7708 · HD 191610 · HIP 99303
12,273 K
temperature
4.93
apparent magnitude
936× ☉
luminosity vs Sun
B2.5V
spectral type
Distance & comparison with our Sun
1,035 years
at light speed from Earth
2.13×
as hot as the Sun
936×
the Sun's light output
-2.58
absolute magnitude
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Nearest stars
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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.