NGC 6541 (also known as Caldwell 78) is a globular cluster in the southern constellation of Corona Australis. It is estimated to be around 14 billion years old.[6]
The cluster is relatively small, having just 94 blue straggler stars.[7]
NGC 6541
References
^Shapley, Harlow; Sawyer, Helen B. (August 1927), "A Classification of Globular Clusters", Harvard College Observatory Bulletin, 849 (849): 11–14, Bibcode:1927BHarO.849...11S.
^Raso, S.; Ferraro, F. R.; Dalessandro, E.; Lanzoni, B.; Nardiello, D.; Bellini, A.; Vesperini, E. (2017), "The "UV-route" to Search for Blue Straggler Stars in Globular Clusters: First Results from theHSTUV Legacy Survey", The Astrophysical Journal, 839 (1): 64, arXiv:1704.01453, Bibcode:2017ApJ...839...64R, doi:10.3847/1538-4357/aa6891, S2CID118939669