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Table 5.
Averages and rms scatters for α-element ratios in NGC 6388 and NGC 6441.
| Abund. | This work | This work | M21 | WKA07 | APOGEE | NGC 6441 | NGC 6441 | M20 | M20 |
|---|---|---|---|---|---|---|---|---|---|
| ratio | UVES | GIRAFFE | DR17 | G06 | G07 | all | S/N > 70 | ||
| [Mg/Fe] | +0.212 0.049 | +0.221 0.052 | +0.259 0.175 | +0.059 0.056 | +0.34 0.09 | +0.38 0.14 | +0.069 0.167 | +0.152 0.140 | |
| [Si/Fe] | +0.350 0.063 | +0.309 0.061 | +0.240 0.100 | +0.368 0.158 | +0.045 0.061 | +0.33 0.11 | +0.41 0.19 | +0.118 0.190 | +0.223 0.219 |
| [Ca/Fe] | +0.062 0.049 | +0.069 0.046 | −0.018 0.071 | −0.185 0.223 | +0.032 0.074 | +0.03 0.04 | +0.21 0.19 | +0.070 0.193 | +0.130 0.243 |
| [Ti/Fe]I | +0.295 0.086 | +0.270 0.098 | +0.115 0.087 | −0.106 0.120 | +0.132 0.177 | +0.29 0.10 | +0.33 0.20 | ||
| [Ti/Fe]II | +0.244 0.086 | +0.294 0.128 | +0.304 0.221 | +0.33 0.14 |
References. M21: Minelli et al. (2021a). WKA07: Wallerstein et al. (2007). G06, G07: Gratton et al. (2006: UVES); Gratton et al. (2007: GIRAFFE). M20: Mészáros et al. (2020).
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