4 Persei (HIP 9505), a blue-white bright giant star in Stars

4 Persei (HIP 9505) is a blue-white bright giant star (B8III) in Stars, 726 light years from Earth at magnitude 4.99.

Ashland Astronomy Studio October 3, 2026 Star

4 Persei (HIP 9505)

4 Persei is a blue-white bright giant star in the constellation Stars. At 726 light years away, it shines at an apparent visual magnitude of 4.99. Iron abundance: 0.30 (200% of the Sun). Galactic velocity: 36.4 km/s. Galactic orbit: 20,430 25,365 light years from galactic center.

Sky position: RA 2h 2m, Dec +54° 29.3'

Spectral type: B8III

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