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Table 1
Compilation of the metallicity of Galactic globular clusters.
| Cluster | [Fe/H] | Reference | N |
|
|
|||
| NGC 288 | −1.07 | Cenarro et al. (2007) | c |
| NGC 288 | −1.32 ± 0.02 | Carretta et al. (2009a) | c |
| NGC 288 | −1.22 | Carretta et al. (2009c) | 110 |
| NGC 288 | −1.31 | Carretta et al. (2009b) | 10 |
| NGC 288 | -1.32 | Harris (2010 ) | c |
|
|
|||
| NGC 1904 | −1.37 | Cenarro et al. (2007) | c |
| NGC 1904 | −1.58 ± 0.02 | Carretta et al. (2009a) | c |
| NGC 1904 | −1.54 | Carretta et al. (2009c) | 58 |
| NGC 1904 | −1.58 | Carretta et al. (2009b) | 10 |
| NGC 1904 | -1.60 | Harris (2010 ) | c |
|
|
|||
| NGC 5272 | −1.34 | Cenarro et al. (2007) | c |
| NGC 5272 | −1.48 ± 0.03 | Sakari et al. (2013) | ILS |
| NGC 5272 | −1.32 | Harris (2010) | c |
| NGC 5272 | −1.50 ± 0.05 | Carretta et al. (2009a ) | c |
|
|
|||
| NGC 5904 | −1.11 | Cenarro et al. (2007) | c |
| NGC 5904 | −1.33 ± 0.02 | Carretta et al. (2009a) | c |
| NGC 5904 | −1.35 | Carretta et al. (2009c) | 136 |
| NGC 5904 | −1.34 | Carretta et al. (2009b) | 14 |
| NGC 5904 | −1.27 | Gratton et al. (2013) | 30 |
| NGC 5904 | -1.29 | Harris (2010 ) | c |
|
|
|||
| NGC 6121 | −1.19 | Cenarro et al. (2007) | c |
| NGC 6121 | −1.18 ± 0.02 | Carretta et al. (2009a) | c |
| NGC 6121 | −1.20 | Carretta et al. (2009c) | 103 |
| NGC 6121 | −1.17 | Carretta et al. (2009b) | 14 |
| NGC 6121 | −1.07 | Malavolta et al. (2014) | 322 |
| NGC 6121 | −1.16 | Malavolta et al. (2014) | 1869 |
| NGC 6121 | -1.16 | Harris (2010 ) | c |
|
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|||
| NGC 6205 | −1.39 | Cenarro et al. (2007) | c |
| NGC 6205 | −1.58 ± 0.04 | Carretta et al. (2009a) | c |
| NGC 6205 | −1.53 ± 0.02 | Sakari et al. (2013) | ILS |
| NGC 6205 | -1.53 | Harris (2010 ) | c |
|
|
|||
| NGC 6341 | −2.16 | Cenarro et al. (2007) | c |
| NGC 6341 | −2.35 ± 0.05 | Carretta et al. (2009a) | c |
| NGC 6341 | -2.31 | Harris (2010 ) | c |
|
|
|||
| NGC 6838 | −0.84 | Cenarro et al. (2007) | c |
| NGC 6838 | −0.82 ± 0.02 | Carretta et al. (2009a) | c |
| NGC 6838 | −0.80 | Meléndez & Cohen (2009) | 9 |
| NGC 6838 | −0.81 | Carretta et al. (2009c) | 39 |
| NGC 6838 | −0.83 | Carretta et al. (2009b) | 12 |
| NGC 6838 | -0.78 | Harris (2010 ) | c |
Notes. The adopted value is the last of the series for each cluster, emphasized in italic. The last column, labelled N, gives the number of stars observed in the cluster, ILS for integrated-light spectroscopy, or c for the compilations.
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