Epoch J2000.0 Equinox J2000.0
|Right ascension||19h 47m 23.27s|
|Declination||+18° 32' 03.3"|
|Apparent magnitude (V)||+3.68|
|Spectral type||M2II + B6|
Delta Sagittae (Delta Sge, δ Sagittae, δ Sge) is a multiple star system in the constellation of Sagitta, with an apparent magnitude of +3.68. The primary component is a red M-type bright giant. It is approximately 448 light years from Earth.
Delta Sagittae is moving through the Galaxy at a speed of 9.8 km/s relative to the Sun. Its projected Galactic orbit carries it between 23,800 and 35,300 light years from the center of the Galaxy.
In Chinese, 左旗 (Zuǒ Qí), meaning Left Flag, refers to an asterism consisting of δ Sagittae, α Sagittae, β Sagittae, ζ Sagittae, γ Sagittae, 13 Sagittae, 11 Sagittae, 14 Sagittae and ρ Aquilae. Consequently, δ Sagittae itself is known as 左旗三 (Zuǒ Qí sān, English: the Third Star of Left Flag.)