39 Aquarii

39 Aquarii (abbreviated 39 Aqr) is a star in the constellation of Aquarius. 39 Aquarii is its Flamsteed designation. It is a faint naked eye star with an apparent visual magnitude of 6.03. Based upon an annual parallax shift of 23.78 measured with a 3% margin of error, this star is at a distance of around 137 light-years (42 parsecs) from Earth.

The stellar classification of this star is F0 V; hence it belongs to the category of F-type main sequence stars. It is a double star with a magnitude 9.3 companion at an angular separation of 0.6 arcseconds along a position angle of 257°.