M-type star · red
Xi Cyg
Xi Cyg is a red in the constellation Cygnus 843 ly from Earth. Its surface is about 3,637 K, about 0.6 times the Sun's surface temperature, and it shines at 1,890× the Sun's brightness. At magnitude 3.7 it is bright enough to see with the naked eye; the light you see left it 843 years ago.
Also catalogued as HR 8079 · HD 200905 · HIP 104060
3,637 K
temperature
3.72
apparent magnitude
1,890× ☉
luminosity vs Sun
K5Ibv SB
spectral type
Distance & comparison with our Sun
843 years
at light speed from Earth
0.63×
as hot as the Sun
1,890×
the Sun's light output
-3.34
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.