Table 4: Mean abundances for the globular clusters NGC 104 (47 Tuc), NGC 6752, and NGC 6397.

Cluster ID
Typea N*b [Fe/H] ${{\sigma}_{\rm Fe}}^{c}$ [Sr/Fe] ${{\sigma}_{\rm Sr}}^{c}$ [Y/Fe] ${{\sigma}_{\rm Y}}^{c}$ [Ba/Fe] ${{\sigma}_{\rm Ba}}^{c}$ [Eu/Fe] ${{\sigma}_{\rm Eu}}^{c}$

NGC 104 / 47 Tuc
SG 8 -0.69 0.06 +0.36 0.16 -0.11 0.10 +0.35 0.12 +0.17 ...
  TO 3 -0.68 0.01 +0.28 0.14 +0.06 0.01 +0.22 0.12 +0.11 ...

NGC 6397
SG 3 -2.08 0.01 -0.04 0.14 -0.20 0.09 -0.17 0.06 $\le$+0.41 0.09
  TO 5 -2.07 0.01 -0.06 0.15 $\le$-0.17 0.13 -0.31 0.06 $\le$+0.46 ...

Data for NGC 6752 (from James et al. 2004).
 

NGC 6752
SG 9 -1.49 0.07 -0.01 0.09 -0.01 0.13 +0.25 0.08 +0.40 0.09
  TO 9 -1.48 0.07 +0.12 0.19 -0.03 0.11 +0.11 0.09 +0.47 0.08

a SG = subgiants, TO = turnoff stars; bN* = number of stars in each group; c ${\sigma}_{\rm X}$ = standard deviation around the mean value.


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