Table 9
Metallicities and references for medium- and low-resolution studies for clusters shown in Fig. 9.
| Cluster ID | Ref. [Fe/H] | Mean [Fe/H] | std. dev. | Resolution | # | Star type | Reference |
|
|
|||||||
| NGC 2243 | −0.480 | −0.42 | 0.05 | 18 000−20 000 | 10 | giant | Jacobson et al. (2011a) |
| NGC 2243 | −0.480 | −0.49 | 0.05 | 1250 | 9 | giant | Friel et al. (2002) |
| NGC 2204 | −0.230 | −0.23 | 0.04 | 20 000 | 13 | giant | Jacobson et al. (2011a) |
| NGC 2204 | −0.230 | −0.32 | 0.10 | 1250 | 12 | giant | Friel et al. (2002) |
| Berkeley 39 | −0.220 | −0.18 | 0.06 | 22 500 | 21 | giant | Bragaglia et al. (2012) |
| Berkeley 39 | −0.220 | −0.26 | 0.09 | 1250 | 14 | giant | Friel et al. (2002) |
| NGC 1817 | −0.110 | −0.16 | 0.03 | 18 000/21 000 | 28 | giant | Jacobson et al. (2011b) |
| NGC 1817 | −0.110 | −0.29 | 0.05 | 1250 | 3 | giant | Friel et al. (2002) |
| NGC 2194 | −0.090 | −0.08 | 0.08 | 18 000 | 6 | giant | Jacobson et al. (2011b) |
| NGC 2158 | −0.052 | −0.25 | 0.09 | 1250 | 7 | giant | Friel et al. (2002) |
| NGC 2158 | −0.052 | −0.28 | 0.05 | 14 500/21 000 | 15 | giant | Jacobson et al. (2011b) |
| NGC 2355 | −0.048 | −0.08 | 0.08 | 18 000 | 5 | giant | Jacobson et al. (2011b) |
| NGC 2420 | −0.044 | −0.20 | 0.06 | 18 000 | 9 | giant | Jacobson et al. (2011b) |
| NGC 2420 | −0.044 | −0.38 | 0.07 | 1250 | 20 | giant | Friel et al. (2002) |
| IC 2602 | −0.020 | −0.05 | 0.04 | 18 000 | 6 | dwarf | Randich et al. (2001) |
| NGC 3532 | +0.010 | +0.07 | 0.06 | 18 000 | 5 | giant | Luck (1994) |
| IC 4756 | +0.018 | −0.03 | 0.05 | 18 000 | 4 | giant | Luck (1994) |
| IC 4756 | +0.018 | −0.15 | 0.04 | 15 000 | 6 | giant | Jacobson et al. (2007) |
| IC 4756 | +0.018 | −0.25 | 0.08 | 1250 | 8 | giant | Friel et al. (2002) |
| NGC 1245 | +0.022 | −0.04 | 0.05 | 18 000 | 13 | giant | Jacobson et al. (2011b) |
| NGC 1245 | +0.022 | −0.14 | 0.09 | 1150 | 7 | clump | Marshall et al. (2005) |
| NGC 6633 | +0.026 | −0.10 | 0.02 | 13 000 | 10 | dwarf | Jeffries et al. (2002) |
| NGC 2682 | +0.030 | −0.01 | 0.05 | 14 500/18 000 | 19 | giant | Jacobson et al. (2011b) |
| NGC 2682 | +0.030 | −0.05 | 0.04 | 1150 | 5 | clump | Marshall et al. (2005) |
| NGC 2682 | +0.030 | −0.15 | 0.05 | 1250 | 25 | giant | Friel et al. (2002) |
| NGC 7789 | +0.040 | +0.02 | 0.04 | 18 000 | 28 | giant | Jacobson et al. (2011b) |
| NGC 7789 | +0.040 | −0.24 | 0.09 | 1250 | 57 | giant | Friel et al. (2002) |
| NGC 6939 | +0.050 | −0.19 | 0.09 | 1250 | 4 | giant | Friel et al. (2002) |
| NGC 6939 | +0.050 | +0.00 | 0.10 | 15 000 | 8 | giant | Jacobson et al. (2007) |
| NGC 6705 | +0.060 | +0.14 | 0.16 | 1150 | 4 | clump | Marshall et al. (2005) |
| NGC 6705 | +0.060 | +0.21 | 0.09 | 1200/2000 | 6 | giant | Thogersen et al. (1993) |
| NGC 6705 | +0.060 | +0.23 | 0.13 | 24 000 | 6 | giant | Gonzalez & Wallerstein (2000) |
| NGC 5822 | +0.080 | −0.21 | 0.10 | 1250 | 3 | giant | Friel et al. (2002) |
| NGC 5822 | +0.080 | +0.09 | 18 000 | 1 | giant | Luck (1994) | |
| NGC 7142 | +0.100 | −0.10 | 0.10 | 1250 | 12 | giant | Friel et al. (2002) |
| NGC 7142 | +0.100 | +0.08 | 0.06 | 15 000 | 6 | giant | Jacobson et al. (2007) |
| NGC 188 | +0.110 | −0.03 | 0.04 | 18 000 | 27 | giant | Jacobson et al. (2011b) |
| NGC 2112 | +0.140 | −0.36 | 1250 | 1 | giant | Friel et al. (2002) | |
| NGC 2112 | +0.140 | +0.02 | 16 000 | 1 | giant | Brown et al. (1996) | |
| NGC 6791 | +0.420 | +0.11 | 0.10 | 1250 | 39 | giant | Friel et al. (2002) |
| NGC 6791 | +0.420 | +0.32 | 0.02 | ≈1000 | 14 | giant | Worthey & Jowett (2003) |
| NGC 6791 | +0.420 | +0.42 | 0.05 | 15 000 | 16 | giant | Geisler et al. (2012) |
Notes. The second column lists the reference metallicity. The reference [Fe/H] values are the weighted means of high-resolution determinations for all stars in each cluster (cf. Table 1; IC 4756, NGC 1245, and NGC 6633, as well as NGC 2158, NGC 2355, and NGC 2420 were shifted for better visibility) or the medium-resolution determination for NGC 2204.
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