Tags: Star.
Eta Sagittarii (Eta Sgr η Sagittarii η Sgr) is a binary star system in the southern zodiac constellation of Sagittarius. Based upon parallax measurements it is located at a distance of 146 light-years (45 parsecs) from Earth. It was formerly known as Beta Telescopii (β Tel). In India where part of the constellation of Sagittarius represents an Elephant this star forms the creature’s tail.The primary component η Sagittarii A is a red giant star with a stellar classification of M2 III.
