Tags: Star.
Zeta Sagittarii (Zeta Sgr ζ Sagittarii ζ Sgr) is the third brightest star system in the constellation Sagittarius with an apparent visual magnitude of +2.59. It has the traditional name Ascella. Based upon parallax measurements the distance to Ascella is about 88 ly (27 pc). Ascella is moving away from the Solar System with a radial velocity of 22 km s−1.
