Eta Mensae (HIP 22871), a orange bright giant star in Stars

Eta Mensae (HIP 22871) is a orange bright giant star (K4III) in Stars, 667 light years from Earth at magnitude 5.47.

Ashland Astronomy Studio October 3, 2026 Star

Eta Mensae (HIP 22871)

Eta Mensae is a orange bright giant star in the constellation Stars. At 667 light years away, it shines at an apparent visual magnitude of 5.47. Iron abundance: -0.22 (60% of the Sun). Galactic velocity: 70.5 km/s. Galactic orbit: 14,136 25,518 light years from galactic center.

Sky position: RA 4h 55m, Dec -74° 56.2'

Spectral type: K4III

← 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);});}