Theta Aquilae

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θ Aquilae
Observation data
Epoch J2000.0
Constellation Aquila
Right ascension 20h 11m 18.3s
Declination −0° 49' 17"
Apparent magnitude (V) +3.24
Distance 287 ± 23 ly
(88 ± 7 pc)
Spectral type B9.5III
Other designations
65 Aquilae, HR 7710,
HD 191692, BD-01°3911,
FK5 756, HIP 99473,
SAO 144150, GC 28010,
BDS 9960, CCDM 20113-0049

Theta Aquilae (θ Aql / θ Aquilae) is a binary star in the constellation Aquila. It is approximately 287 light years from Earth. It also has the traditional name Tseen Foo, which is derived from the Mandarin 天桴 tiānfú meaning "the heavenly raft(er)," it may also mean drumsticks, with Altair, Beta Aquilae and Gamma Aquilae being the drum.

Theta Aquilae is a spectroscopic binary which is classified as a blue-white B-type giant with an apparent magnitude of +3.24. The binary has an orbital period of 17.1243 days.