Epsilon Persei (HIP 18532), a blue-white bright giant star in Stars

Epsilon Persei (HIP 18532) is a blue-white bright giant star (B0III/IV) in Stars, 637 light years from Earth at magnitude 2.90.

Ashland Astronomy Studio October 3, 2026 Star

Epsilon Persei (HIP 18532)

Epsilon Persei is a blue-white bright giant star in the constellation Stars. At 637 light years away, it shines at an apparent visual magnitude of 2.90. Iron abundance: -0.09 (81% of the Sun). Galactic velocity: 25.6 km/s. Galactic orbit: 21,901 24,824 light years from galactic center.

Sky position: RA 3h 57m, Dec +40° 0.6'

Spectral type: B0III/IV

← 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);});}