Phi Herculis (HIP 79101), a blue-white main-sequence star in Stars

Phi Herculis (HIP 79101) is a blue-white main-sequence star (B8.5V) in Stars, 204 light years from Earth at magnitude 4.23.

Ashland Astronomy Studio October 3, 2026 Star

Phi Herculis (HIP 79101)

Phi Herculis is a blue-white main-sequence star in the constellation Stars. At 204 light years away, it shines at an apparent visual magnitude of 4.23. Iron abundance: 0.08 (120% of the Sun). Galactic velocity: 21.8 km/s. Galactic orbit: 23,937 25,910 light years from galactic center.

Sky position: RA 16h 8m, Dec +44° 56.1'

Spectral type: B8.5V

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