 It is radiating 112 times the brightness of the Sun from its outer atmosphere at an effective temperature of 4,910 K. At this temperature, the star glows with the yellow hue of a G-type star.The secondary component, ζ Cyg B, is a white dwarf of type DA4.2.The pair orbit each other every 6,489 days (17.8 years) with an eccentricity of 0.22.