Spectral TypeA2 Ia
Temperature8,525 K
A2 Ia TypeConstellation: Cygnus
Deneb
Alpha Cygni
Deneb is a luminous blue-white supergiant anchoring the Summer Triangle.
Distance
2,615 ly
Light Years from Earth
Age
10 million years
Estimated
Mass
19 M☉
Relative to Sun
Radius
203 R☉
Relative to Sun
Surface Temp
8,525 K
Effective Temp
Luminosity
196,000 L☉
Total Energy Output
Astrophysical Data
Apparent Magnitude1.25
Absolute Magnitude-7.20
Spectral ClassificationA2 Ia