Zeta Herculis (HIP 81693), a yellow subgiant star in Stars

Zeta Herculis (HIP 81693) is a yellow subgiant star (G2IV) in Stars, 35 light years from Earth at magnitude 2.81.

Ashland Astronomy Studio October 3, 2026 Star

Zeta Herculis (HIP 81693)

Zeta Herculis is a yellow subgiant star in the constellation Stars. At 35 light years away, it shines at an apparent visual magnitude of 2.81. Iron abundance: 0.02 (105% of the Sun). Galactic velocity: 73.8 km/s. Galactic orbit: 13,242 25,528 light years from galactic center.

Sky position: RA 16h 41m, Dec +31° 36.1'

Spectral type: G2IV

← 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);});}