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Table 1

GCs from previous studies.

GC [Fe/H] Ref.
NGC 362 -1.166 Carretta et al. (2013b)
NGC 1851 -1.185 Carretta et al. (2011)
NGC 2808 -1.129 Carretta et al. (2015)
NGC 4833 -2.015 Carretta et al. (2014a)
NGC 5634 -1.867 Carretta et al. (2017)
NGC 6093 -1.792 Carretta et al. (2015)
NGC 6388 -0.480 Carretta & Bragaglia (2023)
NGC 6441 -0.348 Gratton et al. (2006, 2007)
NGC 6535 -1.952 Bragaglia et al. (2017)
NGC 6715 -1.505 Carretta et al. (2010c)
Terzan 8 -2.271 Carretta et al. (2014b)

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