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Table 4

Average abundances, related dispersions (standard deviations of the mean), and the corresponding average errors for the subgiant stars and turn-off stars in our sample for 24 species, relative to the Sun.

Subgiant stars Turn-off stars
Species ⟨[X/H]⟩ σ(⟨[X/H]⟩)(a) ⟨σ[X/H]⟩ (b) ⟨[X/H]⟩ σ(⟨[X/H]⟨)(a) ⟨σ[X/H]⟩(b)
C I 0.049 0.039 0.018 −0.054 0.063 0.023
O I 0.046 0.023 0.025 −0.040 0.060 0.023
Na I 0.066 0.013 0.016 −0.062 0.074 0.012
Mg I 0.119 0.015 0.008 −0.039 0.095 0.012
Al I 0.076 0.020 0.010 −0.107 0.084 0.019
Si I 0.101 0.015 0.011 −0.035 0.075 0.010
S I 0.086 0.015 0.026 −0.071 0.037 0.026
Ca I 0.083 0.010 0.014 −0.030 0.073 0.017
Sc II 0.094 0.009 0.025 −0.058 0.089 0.025
Ti I 0.056 0.007 0.023 −0.057 0.063 0.022
Ti II 0.090 0.013 0.023 −0.076 0.086 0.029
V I 0.099 0.025 0.025 −0.045 0.066 0.028
Cr I 0.061 0.014 0.019 −0.067 0.064 0.024
Mn I 0.031 0.030 0.024 −0.113 0.089 0.028
Fe I 0.079 0.006 0.013 −0.050 0.087 0.015
Fe II 0.078 0.006 0.021 −0.055 0.087 0.020
Co I 0.062 0.030 0.022 −0.050 0.053 0.019
Ni I 0.077 0.004 0.014 −0.074 0.087 0.018
Cu I 0.088 0.024 0.035 −0.087 0.112 0.028
Zn I 0.007 0.024 0.024 −0.133 0.079 0.024
Sr I 0.052 0.014 0.032 −0.041 0.054 0.032
Y II 0.080 0.019 0.028 −0.080 0.096 0.025
Ba II 0.109 0.009 0.026 −0.041 0.100 0.034
Ce II 0.081 0.005 0.036 −0.095 0.063 0.035

Notes. (a) Abundance dispersions: standard deviations of the mean abundances. (b)Average errors: mean of errors associated with a particular species.

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