Zeta Cygni (HIP 104732), a yellow supergiant star in Stars

Zeta Cygni (HIP 104732) is a yellow supergiant star (G8+ IIIa Ba0.5) in Stars, 143 light years from Earth at magnitude 3.21.

Ashland Astronomy Studio October 3, 2026 Star

Zeta Cygni (HIP 104732)

Zeta Cygni is a yellow supergiant star in the constellation Stars. At 143 light years away, it shines at an apparent visual magnitude of 3.21. Iron abundance: -0.01 (98% of the Sun). Galactic velocity: 20.5 km/s. Galactic orbit: 23,542 43,910 light years from galactic center.

Sky position: RA 21h 12m, Dec +30° 13.6'

Spectral type: G8+ IIIa Ba0.5

← Back to all stars

// Fade in · only sidebar boxes, never the main content if('IntersectionObserver' in window){var io=new IntersectionObserver(function(es){es.forEach(function(en){if(en.isIntersecting){en.target.style.opacity='1';en.target.style.transform='none';io.unobserve(en.target);}});},{threshold:.05});document.querySelectorAll('.side__box').forEach(function(el){el.style.opacity='0';el.style.transform='translateY(10px)';el.style.transition='opacity .4s ease,transform .4s ease';io.observe(el);});}