A-type star · white star
Iota² Cyg
Iota² Cyg is a white star in the constellation Cygnus 121 ly from Earth. Its surface is about 8,589 K, about 1.5 times the Sun's surface temperature, and it shines at 37.77× the Sun's brightness. At magnitude 3.8 it is bright enough to see with the naked eye; the light you see left it 121 years ago.
Also catalogued as HR 7420 · HD 184006 · HIP 95853
8,589 K
temperature
3.76
apparent magnitude
37.77× ☉
luminosity vs Sun
A5Vn
spectral type
Distance & comparison with our Sun
121 years
at light speed from Earth
1.49×
as hot as the Sun
37.77×
the Sun's light output
0.91
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.