Table 2
Galactic GC metallicities in different metallicity scales.
| [Fe/H] | 47 Tuc | NGC 3201 | NGC 6397 |
| (1) | (2) | (3) | (4) |
|
|
|||
| ZW84 | −0.71 ± 0.05 | −1.53 ± 0.03 | −1.94 ± 0.02 |
| CG97 | −0.78 ± 0.02 | −1.24 ± 0.03 | −1.76 ± 0.03 |
| KI03 | −0.70 ± 0.09 | −1.56 ± 0.10 | −2.02 ± 0.07 |
| CBG09 | −0.743 ± 0.026 | −1.495 ± 0.073 | −1.993 ± 0.060 |
| KM08,11 | −0.76 ± 0.01 | ... | −2.10 ± 0.02 |
| Dartmouth | −0.70 | −1.50 | −2.10 |
Notes. ZW84 stands for the Zinn & West (1984) metallicity scale; CG97 stands for the Carretta & Gratton (1997) metallicity scale; KI03 stands for the Kraft & Ivans (2003) metallicity scale; CBG09 stands for the Carretta et al. (2009) metallicity scale; KM08 11 stands for the Koch & McWilliam (2008, 2011) differential metallicity scale; Dartmouth stands for the metallicities derived using isochrone fitting (Dotter et al. 2010).
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