Delta Persei (HIP 17358), a blue-white bright giant star in Stars

Delta Persei (HIP 17358) is a blue-white bright giant star (B5III) in Stars, 513 light years from Earth at magnitude 3.01.

Ashland Astronomy Studio October 3, 2026 Star

Delta Persei (HIP 17358)

Delta Persei is a blue-white bright giant star in the constellation Stars. At 513 light years away, it shines at an apparent visual magnitude of 3.01. Galactic velocity: 37.5 km/s. Galactic orbit: 19,465 24,719 light years from galactic center.

Sky position: RA 3h 42m, Dec +47° 47.3'

Spectral type: B5III

← 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);});}