Tags: Star.
Phi Aquilae (φ Aql φ Aquilae) is the Bayer designation of a binary star system in the equatorial constellation of Aquila. It has an apparent visual magnitude of +5.28 and is visible to the naked eye. With an annual parallax shift of 14.86 mas this star is located at a distance of approximately 219 light-years (67 parsecs) from Earth.Phi Aquilae is a single-lined spectroscopic binary with an orbital period of 3.32068 days.
