18 Ursae Majoris (HIP 45493), a white main-sequence star in Stars

18 Ursae Majoris (HIP 45493) is a white main-sequence star (A6V) in Stars, 117 light years from Earth at magnitude 4.80.

Ashland Astronomy Studio October 3, 2026 Star

18 Ursae Majoris (HIP 45493)

18 Ursae Majoris is a white main-sequence star in the constellation Stars. At 117 light years away, it shines at an apparent visual magnitude of 4.80. Galactic velocity: 21.9 km/s. Galactic orbit: 23,036 40,567 light years from galactic center.

Sky position: RA 9h 16m, Dec +54° 1.3'

Spectral type: A6V

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