SAGITTA ("the arrow" or "dart"), in astronomy, a constellation of the northern hemisphere, mentioned by Eudoxus (4th century B.C.) and Aratus (3rd century B.C.), and catalogued by Ptolemy, Tycho Brahe and Hevelius, who each described 5 stars. The fable was that this constellation was one of the arrows with which Hercules killed the vulture which gnawed the liver of Prometheus. 5. Sagittae is a short period variable, period 8-38 days, range in magnitude 5-6 to 6-4.
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)