40 Persei (HIP 17313), a blue-white main-sequence star in Stars

40 Persei (HIP 17313) is a blue-white main-sequence star (B1V) in Stars, 912 light years from Earth at magnitude 4.97.

Ashland Astronomy Studio October 3, 2026 Star

40 Persei (HIP 17313)

40 Persei is a blue-white main-sequence star in the constellation Stars. At 912 light years away, it shines at an apparent visual magnitude of 4.97. Iron abundance: -0.43 (37% of the Sun). Galactic velocity: 23.5 km/s. Galactic orbit: 24,762 36,259 light years from galactic center.

Sky position: RA 3h 42m, Dec +33° 57.9'

Spectral type: B1V

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