Table 2
Total and intrinsic [Fe/H] dispersions for the metal-poor and the metal-rich GCs chemically compatible with ω Centauri.
| GC name | # stars | σ[Fe/H],tot | ϵ[Fe/H] | σ[Fe/H],int | A |
|---|---|---|---|---|---|
| NGC 6656 | 230 | 0.10 | 0.01 | 0.10 | 5.36 |
| NGC 6809 | 58 | 0.07 | 0.01 | 0.07 | 4.29 |
| NGC 6273 | 56 | 0.13 | 0.02 | 0.12 | 5.18 |
| NGC 6752 | 117 | 0.07 | 0.01 | 0.07 | 4.13 |
| NGC 6205 | 34 | 0.07 | 0.01 | 0.07 | 4.05 |
| NGC 6254 | 58 | 0.07 | 0.01 | 0.07 | 4.18 |
| NGC 5139 | 1201 | 0.24 | 0.01 | 0.24 | 12.87 |
Notes. For each cluster, we also report the median of the [Fe/H] uncertainties of its stars, ϵ[Fe/H] , and the factor A by which these uncertainties would have to be underestimated for the intrinsic dispersions not to be statistically significant. The same quantities for ω Cen (NGC 5139) are also reported.
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