Table 7
Mean iron and α-element abundance calculated in this study: using OCCASO results (using 6 or 7 member stars, depending on the chemical species), and usingAPOGEE DR13 and DR14 results from SDSS Collaboration (2017); Abolfathi et al. (2017, 11 member stars).
| Element | OCCASO | GW2000 | APOGEE | GES | |||
|---|---|---|---|---|---|---|---|
| DR13 | DR14 | iDR1 | iDR2/3 | iDR4 | |||
| [Fe/H] | 0.17 ± 0.04 | 0.17 ± 0.13 | 0.16 ± 0.03 | 0.16 ± 0.03 | 0.14 ± 0.06 | 0.00 ± 0.05 | 0.12 ± 0.05 |
| [Si/Fe] | 0.13 ± 0.05 | 0.14 ± 0.16 | 0.10 ± 0.04 | 0.09 ± 0.03 | 0.03 ± 0.05 | > 0.10 | 0.02 ± 0.07 |
| [Ca/Fe] | 0.06 ± 0.05 | 0.10 ± 0.14 | − 0.04 ± 0.02 | − 0.05 ± 0.03 | − 0.02 ± 0.05 | − | − 0.07 ± 0.09 |
| [Ti/Fe] | 0.03 ± 0.03 | 0.05 ± 0.06 | − | − | − 0.05 ± 0.07 | – | − 0.04 ± 0.09 |
| [Mg/Fe] | 0.14 ± 0.07 | – | − 0.08 ± 0.03 | − 0.09 ± 0.03 | 0.20 ± 0.09 | > 0.10 | 0.10 ± 0.07 |
| [O/Fe] | 0.17 ± 0.07 | – | 0.01 ± 0.03 | − 0.09 ± 0.04 | – | 0.13 ± 0.05 | − 0.13 ± 0.07 |
Notes. We include the results obtained from the three GES data releases GESiDR1 (Magrini et al. 2014, 21 member stars), GESiDR2/3 (Tautvaišienė et al. 2015; Magrini et al. 2015, 27 members), and GESiDR4 (Magrini et al. 2017, 15 members).
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