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Table 9.
Abundance ratios of open clusters in the GES sample.
| Cluster | # stars | [Y/Mg] | [Y/Al] | [Y/TiI] | [Y/TiII] | [Y/Ca] | [Y/Si] |
|---|---|---|---|---|---|---|---|
| (dex) | (dex) | (dex) | (dex) | (dex) | (dex) | ||
| Berkeley 31 | 5 (G) | −0.01 ± 0.03 | 0.02 ± 0.03 | 0.01 ± 0.04 | −0.07 ± 0.04 | 0.06 ± 0.04 | 0.03 ± 0.04 |
| Berkeley 36 | 5 (G) | −0.05 ± 0.06 | −0.07 ± 0.06 | 0.00 ± 0.07 | −0.04 ± 0.07 | 0.13 ± 0.06 | −0.02 ± 0.06 |
| Berkeley 44 | 7 (G) | 0.14 ± 0.07 | 0.19 ± 0.07 | 0.13 ± 0.08 | −0.04 ± 0.14 | 0.26 ± 0.07 | 0.18 ± 0.07 |
| Berkeley 81 | 13 (G) | 0.09 ± 0.03 | 0.07 ± 0.03 | 0.13 ± 0.05 | 0.17 ± 0.05 | 0.19 ± 0.04 | 0.08 ± 0.04 |
| M 67 | 3 (G) | 0.00 ± 0.01 | 0.00 ± 0.01 | 0.00 ± 0.01 | 0.00 ± 0.01 | 0.00 ± 0.01 | 0.00 ± 0.01 |
| Melotte 71 | 4 (G) | 0.07 ± 0.01 | 0.15 ± 0.01 | 0.13 ± 0.02 | 0.09 ± 0.01 | 0.03 ± 0.01 | 0.09 ± 0.03 |
| NGC 2243 | 17 (16 G, 1 SG) | −0.04 ± 0.03 | 0.00 ± 0.03 | 0.00 ± 0.05 | −0.04 ± 0.04 | −0.02 ± 0.09 | −0.01 ± 0.03 |
| NGC 2420 | 28 (24 G, 4 SG) | 0.07 ± 0.03 | 0.13 ± 0.03 | 0.08 ± 0.03 | 0.04 ± 0.03 | 0.07 ± 0.03 | 0.08 ± 0.03 |
| NGC 4815 | 6 (G) | 0.11 ± 0.09 | 0.16 ± 0.08 | 0.19 ± 0.10 | 0.10 ± 0.08 | 0.12 ± 0.09 | 0.08 ± 0.07 |
| NGC 6005 | 9 (G) | −0.01 ± 0.02 | 0.02 ± 0.02 | 0.03 ± 0.03 | 0.02 ± 0.02 | 0.05 ± 0.02 | −0.05 ± 0.02 |
| NGC 6067 | 12 (G) | 0.08 ± 0.04 | 0.03 ± 0.05 | 0.06 ± 0.05 | 0.13 ± 0.04 | 0.05 ± 0.07 | 0.02 ± 0.04 |
| NGC 6259 | 12 (G) | −0.05 ± 0.02 | −0.05 ± 0.02 | 0.00 ± 0.04 | 0.07 ± 0.03 | 0.04 ± 0.02 | −0.08 ± 0.02 |
| NGC 6633 | 3 (G) | 0.08 ± 0.02 | 0.18 ± 0.02 | 0.19 ± 0.02 | 0.11 ± 0.01 | 0.09 ± 0.01 | 0.07 ± 0.01 |
| NGC 6705 | 28 (G) | −0.03 ± 0.03 | −0.10 ± 0.03 | 0.05 ± 0.04 | 0.08 ± 0.04 | 0.02 ± 0.04 | −0.09 ± 0.03 |
| NGC 6802 | 10 (G) | 0.17 ± 0.02 | 0.14 ± 0.02 | 0.23 ± 0.03 | 0.10 ± 0.02 | 0.24 ± 0.02 | 0.13 ± 0.02 |
| Rup 134 | 16 (G) | −0.08 ± 0.02 | −0.08 ± 0.02 | −0.03 ± 0.02 | −0.04 ± 0.02 | 0.04 ± 0.02 | −0.14 ± 0.02 |
| Pismis 18 | 6 (G) | 0.05 ± 0.04 | 0.10 ± 0.04 | 0.13 ± 0.04 | 0.06 ± 0.04 | 0.12 ± 0.04 | 0.00 ± 0.04 |
| Trumpler 20 | 34 (G) | 0.12 ± 0.02 | 0.16 ± 0.02 | 0.17 ± 0.02 | 0.08 ± 0.02 | 0.15 ± 0.02 | 0.04 ± 0.02 |
| Trumpler 23 | 10 (G) | −0.05 ± 0.04 | −0.02 ± 0.04 | 0.05 ± 0.06 | 0.01 ± 0.04 | 0.11 ± 0.05 | −0.10 ± 0.04 |
Notes. G: giants, SG: sub-giants.
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