NGC 6541
↑ Shapley, Harlow; Sawyer, Helen B. (August 1927), “A Classification of Globular Clusters”, Harvard College Observatory Bulletin (849): 11–14, Bibcode :1927BHarO.849...11S . 1 2 Goldsbury, Ryan et al. (December 2010), “The ACS Survey of Galactic Globular Clusters. X. New Determinations of Centers for 65 Clusters”, The Astronomical Journal 140 (6): 1830–1837, arXiv :1008.2755 Bibcode :2010AJ....140.1830G , doi :10.1088/0004-6256/140/6/1830 . ↑ Paust, Nathaniel E. Q. et al. (February 2010), “The ACS Survey of Galactic Globular Clusters. VIII. Effects of Environment on Globular Cluster Global Mass Functions”, The Astronomical Journal 139 (2): 476–491, Bibcode :2010AJ....139..476P , doi :10.1088/0004-6256/139/2/476 . ↑ Boyles, J. et al. (November 2011), “Young Radio Pulsars in Galactic Globular Clusters”, The Astrophysical Journal 742 (1): 51, arXiv :1108.4402 Bibcode :2011ApJ...742...51B , doi :10.1088/0004-637X/742/1/51 . 1 2 Forbes, Duncan A.; Bridges, Terry (May 2010), “Accreted versus in situ Milky Way globular clusters”, Monthly Notices of the Royal Astronomical Society 404 (3): 1203–1214, arXiv :1001.4289 Bibcode :2010MNRAS.404.1203F , doi :10.1111/j.1365-2966.2010.16373.x .
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