Sigma Herculis (HIP 81126), a white main-sequence star in Stars

Sigma Herculis (HIP 81126) is a white main-sequence star (A0IVn) in Stars, 314 light years from Earth at magnitude 4.20.

Ashland Astronomy Studio October 3, 2026 Star

Sigma Herculis (HIP 81126)

Sigma Herculis is a white main-sequence star in the constellation Stars. At 314 light years away, it shines at an apparent visual magnitude of 4.20. Iron abundance: 0.03 (107% of the Sun). Galactic velocity: 27.3 km/s. Galactic orbit: 23,614 32,032 light years from galactic center.

Sky position: RA 16h 34m, Dec +42° 26.2'

Spectral type: A0IVn

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