Rasalgethi (HIP 84345), a red supergiant star in Stars

Rasalgethi (HIP 84345) is a red supergiant star (M5Ib-II) in Stars, 351 light years from Earth at magnitude 2.78.

Ashland Astronomy Studio October 3, 2026 Star

Rasalgethi (HIP 84345)

Rasalgethi is a red supergiant star in the constellation Stars. At 351 light years away, it shines at an apparent visual magnitude of 2.78. Galactic velocity: 41.0 km/s. Galactic orbit: 22,120 30,238 light years from galactic center.

Sky position: RA 17h 14m, Dec +14° 23.4'

Spectral type: M5Ib-II

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