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Table 10
Metallicities and references for low-S/N studies for clusters discussed in Sect. 3.7, last paragraph.
| Cluster ID | Mean [Fe/H] | std. dev. | Resolution | S/N | # | Star type | Reference |
|
|
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| Berkeley 29 | −0.32 | 0.03 | 45 000 | 25–50 | 5 | giant | Sestito et al. (2008) |
| NGC 188 | −0.12 | 0.16 | ≈30 000 | ≈45 | 7 | dwarf+subgiant | Hobbs et al. (1990) |
| NGC 188 | 0.01 | 0.08 | 35 000–57 000 | 20–35 | 5 | dwarf | Randich et al. (2003) |
| NGC 2243 | −0.54 | 0.10 | 19 300/28 800a | 30–40 | 76 | dwarf+giant | François et al. (2013) |
| NGC 2682 (M67) | −0.04 | 0.01 | ≈30 000 | 30–45 | 2 | dwarf | Hobbs & Thorburn (1991) |
| NGC 2682 (M67) | 0.04 | 0.01 | 28 400 | 30–45 | 2 | dwarf | Friel & Boesgaard (1992) |
| NGC 6475 | 0.11 | 0.03 | 40 000 | 20–30 | 10 | dwarf | James & Jeffries (1997) |
| NGC 6791 | 0.30 | 0.08 | 45 000 | 40 | 2 | turn-off | Boesgaard et al. (2009) |
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