Table 3
Metallicities for the GCs of S12 in the scale of C09c.
| GC | [Fe/H] | ⟨ W′ ⟩ | [Fe/H]1 | Δ | Δ/σ | [Fe/H]2 | Δ | Δ/σ | [Fe/H]3 | Δ | Δ/σ | [Fe/H]4 | Δ | Δ/σ | [Fe/H]5 | Δ | Δ/σ |
| (1) | (2) | (3) | (Ia) | (Ib) | (Ic) | (IIa) | (IIb) | (IIc) | (IIIa) | (IIIb) | (IIIc) | (IVa) | (IVb) | (IVc) | (Va) | (Vb) | (Vc) |
|
|
|||||||||||||||||
| NGC 2808 | –1.18 | 4.47 | –1.11 | –0.07 | –0.3 | –1.13 | –0.05 | –0.3 | –1.16 | –0.02 | –0.1 | –1.16 | –0.02 | –0.1 | –1.13 | –0.05 | –0.2 |
| NGC 3201 | –1.51 | 3.91 | –1.40 | –0.11 | –0.5 | –1.45 | –0.06 | –0.3 | –1.46 | –0.05 | –0.3 | –1.46 | –0.05 | –0.3 | –1.46 | –0.05 | –0.2 |
| NGC 6121 | –1.18 | 4.40 | –1.15 | –0.03 | –0.1 | –1.18 | –0.00 | –0.0 | –1.21 | +0.03 | +0.1 | –1.21 | +0.03 | +0.1 | –1.18 | –0.00 | –0.0 |
| NGC 6139* | –1.71 | 3.92 | –1.39 | –0.32 | –1.4 | –1.45 | –0.26 | –1.4 | –1.45 | –0.26 | –1.5 | –1.46 | –0.25 | –1.4 | –1.46 | –0.25 | –1.2 |
| NGC 6254 | –1.57 | 3.70 | –1.51 | –0.06 | –0.3 | –1.57 | +0.00 | +0.0 | –1.56 | –0.01 | –0.1 | –1.56 | –0.01 | –0.0 | –1.59 | +0.02 | +0.1 |
| NGC 6325 | –1.37 | 4.36 | –1.17 | –0.20 | –0.9 | –1.20 | –0.17 | –0.9 | –1.23 | –0.14 | –0.8 | –1.23 | –0.14 | –0.8 | –1.20 | –0.17 | –0.9 |
| NGC 6356 | –0.35 | 5.28 | –0.70 | +0.35 | +1.5 | –0.60 | +0.25 | +1.4 | –0.59 | +0.24 | +1.4 | –0.59 | +0.24 | +1.3 | –0.62 | +0.27 | +1.4 |
| NGC 6380* | –0.40 | 5.11 | –0.78 | +0.38 | +1.6 | –0.72 | +0.32 | +1.8 | –0.72 | +0.32 | +1.9 | –0.72 | +0.32 | +1.8 | –0.74 | +0.34 | +1.7 |
| NGC 6397 | –1.99 | 2.66 | –2.04 | +0.05 | +0.2 | –2.05 | +0.06 | +0.3 | –2.00 | +0.01 | +0.1 | –2.00 | +0.01 | +0.0 | –1.98 | –0.01 | –0.0 |
| NGC 6440 | –0.20 | 5.48 | –0.59 | +0.39 | +1.7 | –0.46 | +0.26 | +1.4 | –0.41 | +0.21 | +1.2 | –0.41 | +0.21 | +1.2 | –0.45 | +0.25 | +1.2 |
| NGC 6441 | –0.44 | 5.20 | –0.73 | +0.29 | +1.3 | –0.65 | +0.21 | +1.2 | –0.65 | +0.21 | +1.2 | –0.65 | +0.21 | +1.1 | –0.68 | +0.24 | +1.2 |
| NGC 6528 | –0.17 | 5.65 | –0.50 | +0.33 | +1.4 | –0.33 | +0.16 | +0.9 | –0.24 | +0.07 | +0.4 | –0.25 | +0.08 | +0.5 | –0.25 | +0.08 | +0.4 |
| NGC 6553 | –0.16 | 5.76 | –0.45 | +0.29 | +1.2 | –0.25 | +0.09 | +0.5 | –0.13 | –0.03 | –0.2 | –0.15 | –0.01 | –0.0 | –0.11 | –0.05 | –0.3 |
| NGC 6558 | –0.97 | 4.62 | –1.03 | +0.06 | +0.3 | –1.04 | +0.07 | +0.4 | –1.07 | +0.10 | +0.6 | –1.06 | +0.09 | +0.5 | –1.04 | +0.07 | +0.4 |
| NGC 6569 | –0.79 | 4.44 | –1.12 | +0.33 | +1.4 | –1.15 | +0.36 | +2.0 | –1.18 | +0.39 | +2.2 | –1.18 | +0.39 | +2.2 | –1.15 | +0.36 | +1.8 |
| NGC 6656 | –1.70 | 3.07 | –1.83 | +0.13 | +0.5 | –1.87 | +0.17 | +1.0 | –1.83 | +0.13 | +0.7 | –1.82 | +0.12 | +0.7 | –1.86 | +0.16 | +0.8 |
| NGC 6838 | –0.82 | 5.07 | –0.80 | –0.02 | –0.1 | –0.75 | –0.07 | –0.4 | –0.76 | –0.06 | –0.3 | –0.75 | –0.07 | –0.4 | –0.77 | –0.05 | –0.2 |
| NGC 7078 | –2.33 | 2.01 | –2.37 | +0.04 | +0.2 | –2.29 | –0.04 | –0.2 | –2.32 | –0.01 | –0.0 | –2.33 | –0.00 | –0.0 | –2.33 | +0.00 | +0.0 |
| Pal7 * | –0.65 | 5.22 | –0.72 | +0.07 | +0.3 | –0.64 | –0.01 | –0.0 | –0.64 | –0.01 | –0.1 | –0.63 | –0.02 | –0.1 | –0.66 | +0.01 | +0.1 |
Notes. Column (1) lists the cluster ID (the GCs marked with * were not used to calculate the calibration). Column (2) is the metallicity according to the scale. Column (3) is the calculated rEW. Column (Xa) is the metallicity based on the calibration using a polynomial of degree X. Column (Xb) is the difference between the calculated and the scale metallicity. Column (Xc) is the former difference in rms.
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