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Table A.1

Gaia-ESO Survey identificator, Teff, log  g, [Fe/H], [Mg/Fe], [Si/Fe], and Δ /σ[α/ Fe] for the identified stars with [α/ Fe] underabundance.

Cname Teff log  g [Fe/H] [Mg/Fe] [Si/Fe] [Al/Fe] Δ /σ [α/ Fe] Set-up configuration

18032412-3003001 4674 ± 36 2.39 ± 0.14 0.66 ± 0.03 0.24 ± 0.02 0.26 ± 0.02 2.0 HR10, HR21
18034317-3006349 4819 ± 95 2.65 ± 0.35 0.38 ± 0.02 0.12 ± 0.06 0.17 ± 0.05 0.23 ± 0.06 2.5 HR10, HR21
17534571-4105165 4354 ± 37 2.06 ± 0.24 0.39 ± 0.02 0.07 ± 0.06 0.18 ± 0.02 2.9 HR21
17553025-4106299 4606 ± 168 2.70 ± 0.26 0.58 ± 0.02 0.16 ± 0.08 0.21 ± 0.08 5.3 HR21
17562638-4129329 4561 ± 53 2.45 ± 0.42 0.33 ± 0.05 0.12 ± 0.08 0.15 ± 0.07 2.4 HR21
17571064-4145311 4959 ± 87 2.74 ± 0.50 0.38 ± 0.08 0.14 ± 0.02 0.19 ± 0.07 0.22 ± 0.05 2.2 HR21
17571166-4128521 4553 ± 49 2.55 ± 0.28 0.06 ± 0.05 0.02 ± 0.09 0.04 ± 0.06 0.12 ± 0.02 2.8 HR21
17573538-4136125 4809 ± 72 2.48 ± 0.24 0.80 ± 0.02 0.23 ± 0.02 0.11 ± 0.09 0.16 ± 0.03 3.6 HR21
17582234-3449464 4560 ± 150 2.51 ± 0.59 0.07 ± 0.04 0.06 ± 0.08 0.08 ± 0.02 2.6 HR21
18030869-2956389 4607 ± 105 2.78 ± 0.45 0.11 ± 0.07 0.03 ± 0.09 0.04 ± 0.03 0.26 ± 0.04 2.4 HR21
18033088-3003563 4551 ± 43 2.71 ± 0.08 0.41 ± 0.02 0.16 ± 0.05 0.21 ± 0.02 0.00 ± 0.03 2.1 HR21
18035188-3005558 4574 ± 65 2.86 ± 0.28 0.21 ± 0.08 0.11 ± 0.02 0.00 ± 0.09 0.21 ± 0.03 3.0 HR21
18233838-3413015 4625 ± 64 2.98 ± 0.29 0.38 ± 0.07 0.22 ± 0.03 0.17 ± 0.02 0.07 ± 0.04 2.4 HR21
18244002-2449329 5000 ± 216 2.83 ± 0.52 1.31 ± 0.08 0.29 ± 0.03 0.31 ± 0.02 2.8 HR21
18250175-2514127 4463 ± 91 2.79 ± 0.08 0.51 ± 0.02 0.18 ± 0.08 0.29 ± 0.04 0.02 ± 0.02 2.3 HR21
18251816-2529497 4663 ± 45 2.78 ± 0.37 0.36 ± 0.07 0.16 ± 0.04 0.20 ± 0.03 2.0 HR21
18352178-2659169 4636 ± 57 2.85 ± 0.33 0.06 ± 0.03 0.00 ± 0.02 0.04 ± 0.04 0.17 ± 0.06 2.0 HR21
18360308-2716364 4664 ± 36 2.43 ± 0.28 0.14 ± 0.06 0.09 ± 0.03 0.04 ± 0.08 2.2 HR21

Notes. The reported uncertainties correspond to the measurement dispersion between the different analysis methods.

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