Castor (HIP 36850), a white subgiant star in Stars

Castor (HIP 36850) is a white subgiant star (A1.5IV+) in Stars, 52 light years from Earth at magnitude 1.58.

Ashland Astronomy Studio October 3, 2026 Star

Castor (HIP 36850)

Castor is a white subgiant star in the constellation Stars. At 52 light years away, it shines at an apparent visual magnitude of 1.58. Galactic velocity: 19.8 km/s. Galactic orbit: 24,155 28,261 light years from galactic center.

Sky position: RA 7h 34m, Dec +31° 53.3'

Spectral type: A1.5IV+

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