Table 2
Average [Fe/H] from this work compared with the 13 globular clusters in common with C09.
| Cluster | Other | [Fe/H] | [Fe/H] | Ref. |
| names | (average) | (lit.) | ||
|
|
||||
| NGC 104 | 47 Tuc | –0.71 ± 0.04 | –0.77 ± 0.05 | C09 |
| NGC 2808 | –1.06 ± 0.05 | –1.15 ± 0.07 | C09 | |
| NGC 3201 | –1.51 ± 0.03 | –1.51 ± 0.06 | C09 | |
| NGC 4590 | M 68 | –2.20 ± 0.05 | –2.26 ± 0.05 | C09 |
| NGC 5904 | M 5 | –1.25 ± 0.05 | –1.34 ± 0.05 | C09 |
| NGC 6121 | M 4 | –1.01 ± 0.05 | –1.17 ± 0.05 | C09 |
| NGC 6171 | M 107 | –0.95 ± 0.09 | –1.03 ± 0.04 | C09 |
| NGC 6254 | M 10 | –1.56 ± 0.04 | –1.57 ± 0.06 | C09 |
| NGC 6397 | –2.07 ± 0.03 | –1.99 ± 0.04 | C09 | |
| NGC 6441 | –0.41 ± 0.07 | –0.43 ± 0.06 | C09 | |
| NGC 6752 | –1.57 ± 0.07 | –1.55 ± 0.05 | C09 | |
| NGC 6838 | M 71 | –0.63 ± 0.06 | –0.83 ± 0.06 | C09 |
| NGC 7078 | M 15 | –2.23 ± 0.02 | –2.32 ± 0.06 | C09 |
| NGC 6528 | –0.13 ± 0.07 | –0.02 ± 0.09 | ⟨C01,Z04⟩ | |
| NGC 6553 | –0.13 ± 0.01 | –0.19 ± 0.02 | ⟨C99, M03, AB06⟩ | |
Notes. For the two metal-rich clusters we adopted the mean metallicities from Carretta et al. (2001, C01) and Zoccali et al. (2004, Z04) for NGC 6528, and from Cohen et al. (1999, C99), Meléndez et al. (2003, M03), and Alves-Brito et al. (2006, AB06) for NGC 6553.
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