Theta Aquilae
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| Observation data Equinox 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 | |
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.
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