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Table 4
Fe abundance in NGC 1851 for different groups of stars.
| Group | N. stars | [Fe/H] | rms | Paper |
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| SGB | 77 | −1.20 ± 0.01 | 0.07 | This paper |
| SGB-b | 47 | −1.23 ± 0.01 | 0.06 | This paper |
| SGB-f | 30 | −1.16 ± 0.01 | 0.07 | This paper |
| Upper RGB | 13 | −1.18 ± 0.02 | 0.07 | Carretta et al. (2010c) |
| Upper RGB | 121 | −1.15 ± 0.01 | 0.05 | Carretta et al. (2011a) |
| RHB | 55 | −1.14 ± 0.01 | 0.06 | Gratton et al. (2012b) |
| Lower RGB | 13 | −1.18 ± 0.03 | 0.11 | Gratton et al. (2012b) |
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