Table 5
Abundance ratios [X/Fe] obtained from UVES optical spectra for sample stars from Barbuy et al. (2013, 2014, 2015, 2016, 2018a), Ernandes et al. (2018, 2020); Friaça & Barbuy (2017); Lecureur et al. (2007); Souza et al. (2021); van der Swaelmen et al. (2016).
| Element | HP1-2 | 283 | 1160 | 402361 | 401 | 545277 | 82760 | 392918 |
|---|---|---|---|---|---|---|---|---|
| UVES | ||||||||
| C | 0.00 ± 0.15 | 0.15 ± 0.11 | 0.20 ± 0.11 | 0.00 ± 0.15 | −0.12 ± 0.15 | −0.10 ± 0.07 | 0.00 ± 0.07 | 0.08 ± 0.07 |
| N | 0.50 ± 0.15 | 0.80 ± 0.11 | 1.00 ± 0.11 | – | 0.82 ± 0.08 | 0.00 ± 0.16 | 0.05 ± 0.16 | 0.40 ± 0.16 |
| O | 0.30 ± 0.15 | 0.40 ± 0.11 | 0.50 ± 0.11 | 0.50 ± 0.12 | 0.45 ± 0.15 | −0.10 ± 0.08 | −0.10 ± 0.08 | 0.20 ± 0.08 |
| Na | −0.02 ± 0.05 | 0.15 ± 0.11 | 0.00 ± 0.11 | −0.22 ± 0.05 | 0.10 ± 0.15 | – | – | – |
| Mg | 0.15 ± 0.06 | – | 0.40 ± 0.11 | 0.33 ± 0.05 | 0.30 ± 0.17 | – | – | – |
| Al | −0.28 ± 0.12 | 0.30 ± 0.12 | 0.00 ± 0.12 | −0.30 ± 0.12 | 0.40 ± 0.17 | – | – | – |
| Si | 0.30 ± 0.14 | – | 0.20 ± 0.10 | 0.17 ± 0.10 | 0.41 ± 0.17 | – | – | – |
| Ca | −0.04 ± 0.15 | 0.00 ± 0.13 | 0.16 ± 0.13 | 0.16 ± 0.05 | 0.34 ± 0.18 | – | – | – |
| TiI | 0.07 ± 0.13 | 0.15 ± 0.15 | 0.15 ± 0.15 | 0.03 ± 0.10 | 0.32 ± 0.18 | – | – | – |
| TiII | 0.10 ± 0.15 | 0.20 ± 0.14 | 0.27 ± 0.14 | 0.17 ± 0.10 | – | – | – | – |
| Sc | −0.05 ± 0.07 | −0.16 ± 0.16 | −0.13 ± 0.16 | −0.11 ± 0.12 | – | – | – | – |
| V | −0.22 ± 0.09 | −0.01 ± 0.03 | −0.01 ± 0.03 | −0.06 ± 0.06 | – | – | – | – |
| Mn | −0.57 ± 0.05 | −0.45 ± 0.05 | −0.45 ± 0.05 | −0.55 ± 0.05 | – | 0.00 ± 0.05 | 0.00 ± 0.05 | 0.00 ± 0.05 |
| Co | – | – | – | – | – | −0.13 ± 0.09 | −0.02 ± 0.09 | 0.00 ± 0.09 |
| Cu | −1.0 ± 0.15 | −0.50 ± 0.16 | −0.70 ± 0.16 | −0.45 ± 0.12 | – | −0.30 ± 0.12 | −0.35 ± 0.12 | −0.50 ± 0.12 |
| Zn | 0.30 ± 0.15 | −0.10 ± 0.15 | 0.20 ± 0.15 | 0.1 ± 0.05 | – | 0.00 ± 0.05 | −0.30 ± 0.05 | 0.15 ± 0.05 |
| Y | −0.15 ± 0.15 | 0.75 ± 0.19 | 0.56 ± 0.19 | 0.32 ± 0.25 | 0.09 ± 0.15 | – | – | – |
| Zr | – | – | – | 0.20 ± 0.20 | 0.41 ± 0.35 | – | – | – |
| Ba | 0.65 ± 0.16 | 0.00 ± 0.10 | 0.15 ± 0.10 | 0.45 ± 0.23 | 0.49 ± 0.13 | 0.16 ± 0.21 | 0.36 ± 0.21 | 0.06 ± 0.21 |
| La | −0.15 ± 0.12 | – | – | 0.20 ± 0.16 | 0.24 ± 0.16 | – | 0.16 ± 0.11 | 0.16 ± 0.11 |
| Ce | – | – | – | – | – | 0.04 ± 0.11 | −0.34± 0.11 | 0.08 ± 0.11 |
| Nd | – | – | – | – | – | −0.46 ± 0.08 | −0.22 ± 0.08 | −0.08 ± 0.08 |
| Eu | 0.40 ± 0.15 | 0.80 ± 0.12 | 0.30 ± 0.12 | 0.40 ± 0.12 | 0.58 ± 0.11 | 0.26 ± 0.10 | −0.20 ± 0.10 | 0.26 ± 0.10 |
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