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Table 5
Mean abundances and abundance ratios of each cluster.
| IC 2391 | IC 2602 | IC 4665 | NGC 2264 (*) | NGC 2516 | NGC 2547 | |
|---|---|---|---|---|---|---|
| [Fe/H] | 0.04 ± 0.01 | 0.04 ± 0.01 | 0.12 ± 0.02 | 0.11 ± 0.02 | 0.08 ± 0.01 | 0.10 ± 0.01 |
| [Ti/H] | 0.02 ± 0.01 | 0.03 ± 0.01 | 0.11 ± 0.03 | 0.19 ± 0.09 | 0.09 ± 0.01 | 0.10 ± 0.01 |
| [Na/Fe] | −0.03 ± 0.02 | 0.02 ± 0.01 | 0.04 ± 0.03 | 0.06 ± 0.04 | −0.03 ± 0.01 | −0.005 ± 0.004 |
| [Mg/Fe] | 0.02 ± 0.02 | −0.03 ± 0.01 | – | −0.02 ± 0.04 | −0.07 ± 0.02 | 0.01 ± 0.03 |
| [Al/Fe] | 0.03 ± 0.02 | −0.01 ± 0.03 | – | – | 0.00 ± 0.04 | 0.04 ± 0.04 |
| [Si/Fe] | 0.00 ± 0.01 | 0.01 ± 0.03 | 0.03 ± 0.02 | −0.02 ± 0.05 | −0.02 ± 0.01 | −0.01 ± 0.02 |
| [Ca/Fe] | 0.075 ± 0.004 | 0.08 ± 0.02 | 0.07 ± 0.02 | 0.02 ± 0.04 | 0.04 ± 0.01 | 0.07 ± 0.01 |
| [Ti/Fe] | 0.01 ± 0.01 | 0.01 ± 0.02 | 0.00 ± 0.04 | 0.03 ± 0.06 | 0.008 ± 0.004 | 0.01 ± 0.02 |
| [Ti/Fe]_II | −0.05 ± 0.01 | −0.02 ± 0.01 | −0.02 ± 0.04 | 0.04 ± 0.05 | −0.01 ± 0.01 | −0.03 ± 0.01 |
| [Cr/Fe] | 0.01 ± 0.03 | 0.05 ± 0.01 | 0.08 ± 0.02 | 0.02 ± 0.06 | 0.02 ± 0.01 | 0.07 ± 0.04 |
| [Ni/Fe] | −0.04 ± 0.02 | 0.023 ± 0.003 | 0.06 ± 0.01 | 0.00 ± 0.02 | 0.03 ± 0.01 | 0.03 ± 0.02 |
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