Theta Aquilae (HIP 99473), a blue-white subgiant star in Stars

Theta Aquilae (HIP 99473) is a blue-white subgiant star (B9IV) in Stars, 286 light years from Earth at magnitude 3.24.

Ashland Astronomy Studio October 3, 2026 Star

Theta Aquilae (HIP 99473)

Theta Aquilae is a blue-white subgiant star in the constellation Stars. At 286 light years away, it shines at an apparent visual magnitude of 3.24. Iron abundance: 0.20 (158% of the Sun). Galactic velocity: 31.7 km/s. Galactic orbit: 22,273 26,021 light years from galactic center.

Sky position: RA 20h 11m, Dec -0° 49.3'

Spectral type: B9IV

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