Wikipedia contributors. (2025, February 21). Lambda Sagittarii. In Wikipedia, The Free Encyclopedia. Retrieved 18:35, March 9, 2025, from https://en.wikipedia.org/w/index.php?title=Lambda_Sagittarii&oldid=1276853935
Lambda Sagittarii (Wikipedia) Lambda Sagittarii (Latinized from λ Sagittarii), formally named Kaus Borealis /ˈkɔːs bɒriˈælɪs/, is a star in the southern constellation of Sagittarius. The star marks the top of the Archer’s bow.