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Table 1

Fraction of stars chemically compatible with ω Cen.

GC name Fraction (%) # stars [Fe/H]median [Fe/H]mode
Ter10 98 ± 14 1 −1.62 ± 0.02 −1.60 ± 0.05
NGC 2298 94 ±22 2 −1.83 ±0.02 −1.83 ±0.05
NGC 5139 89 ± 3 607 −1.57 ± 0.01 −1.66 ± 0.04
NGC 6752 84 ± 8 83 −1.47 ± 0.01 −1.47 ± 0.02
NGC 6656 81 ±8 68 −1.66 ± 0.02 −1.64 ± 0.05
NGC 6809 79 ± 13 18 −1.73 ± 0.02 −1.73 ± 0.05
NGC 6273 76 ±9 40 −1.67 ± 0.02 −1.69 ± 0.07
NGC 6205 69 ± 14 26 −1.48 ± 0.02 −1.48 ± 0.04
NGC 5024 64 ±23 5 −1.80 ± 0.02 −1.80 ±0.03
NGC 6254 64 ± 15 50 −1.49 ± 0.01 −1.49 ± 0.03
NGC 6544 56 ±20 15 −1.47 ± 0.02 −1.48 ± 0.05
FSR1758 56 ±26 7 −1.40 ± 0.05 −1.41 ± 0.07
NGC 1904 52 ± 18 26 −1.51 ± 0.03 −1.53 ±0.07
NGC 6093 47 ± 50 1 −1.61 ± 0.01 −1.59 ± 0.04
NGC 7089 44 ±23 15 −1.48 ± 0.02 −1.48 ± 0.05
NGC 6218 33 ± 19 40 −1.26 ± 0.01 −1.26 ± 0.02
NGC0288 31 ±22 37 −1.27 ± 0.01 −1.26 ± 0.03
NGC 6380 31 ±28 9 −0.75 ± 0.03 −0.76 ± 0.05
Ter4 30 ±46 1 −1.45 ± 0.02 −1.40 ± 0.02
NGC 6121 29 ±25 169 −1.05 ± 0.00 −1.04 ± 0.01
Djorg_2 24 ±36 4 −1.07 ± 0.02 −1.07 ± 0.03
NGC 6171 24 ±21 23 −0.97 ± 0.03 −0.97 ± 0.05
NGC0104 20 ± 19 224 −0.75 ± 0.00 −0.74 ± 0.01
NGC 6522 20 ± 34 2 −1.15 ±0.07 −1.16 ±0.10
NGC 6715 16 ± 10 26 −1.41 ± 0.05 −1.52 ± 0.06
HP1 15 ± 20 10 −1.16 ± 0.05 −1.17 ± 0.08
NGC 6838 14 ± 15 45 −0.76 ± 0.01 −0.77 ± 0.04
NGC 6397 13 ± 15 10 −2.01 ± 0.02 −2.02 ± 0.03
NGC 5272 11 ±7 71 −1.38 ±0.01 −1.37 ± 0.04
NGC 6723 11 ± 18 7 −1.04 ± 0.02 −1.06 ± 0.05
NGC 6558 11 ±25 3 −1.15 ±0.05 −1.15 ±0.05
NGC 6569 11 ± 19 6 −0.99 ± 0.02 −1.00 ± 0.03
Ter9 10 ± 15 9 −1.39 ± 0.04 −1.40 ± 0.06
NGC 3201 8 ± 8 98 −1.35 ±0.01 −1.34 ± 0.02
NGC 6642 8 ±21 6 −1.03 ± 0.29 −1.04 ± 0.23
Ter2 5 ± 17 2 −0.84 ± 0.04 −0.86 ± 0.06
NGC 5904 3 ±5 79 −1.20 ± 0.01 −1.20 ± 0.04
NGC 6316 2 ± 10 6 −0.76 ± 0.02 −0.77 ± 0.03
NGC 6717 2 ± 14 2 −1.17 ± 0.04 −1.16 ± 0.06
NGC 6760 1 ± 10 3 −0.73 ± 0.02 −0.73 ± 0.03
NGC 6229 1 ±7 3 −1.27 ± 0.02 −1.27 ± 0.03
NGC 1851 1 ± 3 31 −1.12 ±0.02 −1.14 ± 0.02
NGC 7078 0±0 1 −2.24 ± 0.01 −2.19 ± 0.01
Ter5 0±0 2 −0.61 ± 0.01 −0.59 ± 0.03
Pal6 0±0 1 −0.92 ± 0.01 −0.89 ± 0.05
NGC 6341 0±0 3 −2.20 ± 0.04 −2.19 ± 0.04
NGC 6553 0±0 1 −0.22 ± 0.01 −0.20 ± 0.05
NGC 6388 0±0 24 −0.51 ± 0.02 −0.53 ± 0.05
NGC 6304 0±0 5 −0.49 ± 0.05 −0.51 ± 0.06
NGC 6293 0±0 1 −2.08 ± 0.02 −2.03 ± 0.02
NGC 4590 0±0 1 −2.12 ± 0.01 −2.07 ± 0.01
NGC 2808 0±0 98 −1.09 ± 0.01 −1.10 ± 0.02
NGC0362 0 ± 1 48 −1.11 ± 0.01 −1.11 ± 0.01
Ton2 0 ± 5 2 −0.61 ± 0.01 −0.61 ± 0.04

Notes. Clusters for which this fraction is higher than 60%, and which – after the selections described in Sects. 2 and 3 – contain at least 15 stars, are marked in bold. For each cluster, the number of stars used for the analysis, the median, and the mode of [Fe/H] distribution are reported.

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