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Table A.1.

Chemical abundances inferred for the stars in our sample. All the values are referred to the solar ones (Grevesse et al. 2010). Typical uncertainties are ±0.2 dex.

El HD 42954 HD 46052 HD 126031 HD 151604 HD 195020 HD 216429
A B A B A B A B A B A B
C −1.0 −1.0 −0.3 −0.5 −1.0 0.0 −1.2 −1.2 −1.0 −0.5 −0.3 −0.7
O −0.8 −1.3 0.4 0.4 0.0 0.0 −0.3 −0.3 0.0 0.0 1.2 1.4
Na −0.7 −1.3 0.5 0.5 0.7 0.5 0.5 0.6 −0.3 0.4 0.0 0.0
Mg −1.0 −2.0 0.5 0.5 0.3 0.0 0.4 0.4 −0.2 0.0 −0.7 −1.0
Si −0.1 −0.8 0.3 0.3 0.5 0.5 0.3 0.3 −0.5 0.5 −0.7 −1.0
Ca −0.8 −0.8 −0.2 −0.2 −0.6 −0.1 −0.6 −0.8 −0.1 −0.5 −0.5 0.0
Sc −1.6 −1.0 −0.6 −0.6 −1.1 −0.1 −1.8 −1.5 −1.0 −0.7 −0.1 −0.1
Ti −0.8 −1.6 0.8 0.8 0.8 0.5 0.5 0.5 −0.1 0.8 0.0 0.0
Cr 0.0 −1.0 0.5 0.5 0.5 0.0 0.4 0.4 −0.2 0.4 −0.1 −0.1
Mn 0.0 0.0 0.0 0.5 0.5 0.0 0.3 0.0 0.0 0.0 0.0 0.0
Fe −0.3 −0.2 0.5 0.7 0.5 0.3 0.3 0.3 0.0 0.4 0.0 0.0
Ni 0.2 0.2 0.2 0.4 0.8 0.0 0.6 0.6 0.0 0.4 0.0 0.0
Zn 0.1 −0.1 1.0 1.0 0.6 0.0 0.6 0.6 −0.6 0.2 0.0 0.0
Sr 0.0 −1.6 2.0 2.0 1.6 0.0 0.6 0.6 0.0 1.1 0.0 0.6
Y 0.2 0.0 0.1 0.1 1.3 0.0 0.6 0.0 −0.7 0.3 0.0 0.0
Zr 0.2 0.2 1.4 1.0 2.0 0.0 0.9 0.9 0.0 0.0 0.0 0.6
Ba 0.4 0.1 2.4 2.4 1.9 0.9 1.9 1.9 0.3 1.6 0.4 0.9

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