Theta Hydrae (HIP 45336), a white main-sequence star in Stars

Theta Hydrae (HIP 45336) is a white main-sequence star (A0V) in Stars, 128 light years from Earth at magnitude 3.89.

Ashland Astronomy Studio October 3, 2026 Star

Theta Hydrae (HIP 45336)

Theta Hydrae is a white main-sequence star in the constellation Stars. At 128 light years away, it shines at an apparent visual magnitude of 3.89. Iron abundance: -0.42 (38% of the Sun). Galactic velocity: 63.4 km/s. Galactic orbit: 14,357 29,103 light years from galactic center.

Sky position: RA 9h 14m, Dec +2° 18.9'

Spectral type: A0V

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