M-type star · red
47 Cyg
47 Cyg is a red in the constellation Cygnus 2,764 ly from Earth. Its surface is about 3,659 K, about 0.6 times the Sun's surface temperature, and it shines at 8,962× the Sun's brightness. At magnitude 4.6 it is bright enough to see with the naked eye; the light you see left it 2,764 years ago.
Also catalogued as HR 7866 · HD 196093 · HIP 101474
3,659 K
temperature
4.61
apparent magnitude
8,962× ☉
luminosity vs Sun
K2Ib comp
spectral type
Distance & comparison with our Sun
2,764 years
at light speed from Earth
0.63×
as hot as the Sun
8,962×
the Sun's light output
-5.03
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.