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Table 3

Final metallicity of GBSs obtained via combination of individual line abundances of neutral lines corrected by NLTE effects.

Star [Fe/H] σ Fe i Δ (Teff) Δ (log g) Δ (vmic) Δ (LTE) Δ (ion) σ Fe ii N Fe i N Fe ii

Metal-Poor
HD 122563 –2.64 0.01 0.02 0.00 0.01 +0.10 –0.19 0.03 60 4
HD 140283 –2.36 0.02 0.04 0.02 0.00 +0.07 +0.04 0.04 23 2
HD 84937 –2.03 0.02 0.04 0.02 0.01 +0.06 –0.01 20 1

FG dwarfs
δ Eri +0.06 0.01 0.00 0.00 0.01 +0.00 +0.04 0.02 156 11
ϵ For –0.60 0.01 0.01 0.00 0.00 +0.02 +0.09 0.02 148 8
α Cen B +0.22 0.01 0.01 0.00 0.02 +0.00 +0.09 0.02 147 9
μ Cas –0.81 0.01 0.01 0.01 0.01 +0.01 +0.01 0.02 145 7
τ Cet –0.49 0.01 0.00 0.00 0.00 +0.01 +0.01 0.02 148 10
18 Sco +0.03 0.01 0.01 0.00 0.01 +0.02 +0.00 0.02 158 10
Sun +0.03 0.01 0.00 0.00 0.00 +0.01 +0.04 0.02 150 9
HD 22879 –0.86 0.01 0.03 0.01 0.01 +0.02 –0.02 0.02 117 10
α Cen A +0.26 0.01 0.01 0.00 0.00 +0.02 +0.07 0.02 150 12
μ Ara +0.35 0.01 0.00 0.00 0.00 +0.02 +0.13 0.02 143 13
β Hyi –0.04 0.01 0.01 0.00 0.00 +0.03 +0.05 0.01 143 12
β Vir +0.24 0.01 0.01 0.00 0.01 +0.03 +0.06 0.02 148 10
η Boo +0.32 0.01 0.00 0.00 0.01 +0.02 +0.07 0.03 127 10
Procyon +0.01 0.01 0.01 0.00 0.00 +0.05 –0.06 0.02 135 12
HD 49933 –0.41 0.01 0.04 0.02 0.02 +0.05 –0.03 0.02 93 6

FGK giants
Arcturus –0.52 0.01 0.00 0.00 0.06 +0.01 +0.02 0.04 151 10
HD 220009 –0.74 0.01 0.01 0.00 0.07 +0.01 +0.10 0.03 148 11
μ Leo +0.25 0.02 0.00 0.00 0.13 –0.01 +0.01 0.08 139 11
HD 107328 –0.33 0.01 0.01 0.00 0.16 +0.01 +0.02 0.03 137 11
β Gem +0.13 0.01 0.01 0.00 0.13 +0.01 +0.09 0.03 146 13
ϵ Vir +0.15 0.01 0.02 0.00 0.15 +0.02 –0.03 0.03 139 12
ξ Hya +0.16 0.01 0.01 0.00 0.17 +0.02 +0.10 0.03 151 11

M giants
ψ Phe –1.24 0.24 0.05 0.03 0.30 –0.01 23 0
α Cet –0.45 0.05 0.17 0.08 0.34 +0.00 –0.20 0.17 35 3
γ Sge –0.17 0.04 0.13 0.09 0.22 –0.01 –0.25 0.12 29 4
α Tau –0.37 0.02 0.02 0.02 0.12 +0.00 +0.06 0.10 76 9
β Ara –0.05 0.04 0.01 0.04 0.16 +0.00 –0.34 0.08 62 8

K dwarfs
61 Cyg B –0.38 0.03 0.01 0.01 0.01 +0.00 119 2
61 Cyg A –0.33 0.02 0.00 0.01 0.00 +0.00 –0.29 0.25 138 3
Gmb 1830 –1.46 0.01 0.05 0.03 0.30 +0.00 –0.22 0.10 116 4
ϵ Eri –0.09 0.01 0.00 0.00 0.00 +0.01 –0.05 0.02 153 11

Notes. The metallicity is associated with different sources or errors: standard deviation of the line-by-line abundance of the selected Fe i lines (σFe i); errors due to the uncertainty in Teff, log g and vmic, (Δ (Teff), Δ (log g), Δ (vmic), respectively); error due to difference between NLTE and LTE Fe i abundance (Δ (LTE) ); error due to difference between Fe i and Fe ii abundance Δ (ion); and standard deviation of the line-by-line mean of Fe ii abundance (σFe ii). The last two columns indicate the number of selected lines used for the determination of Fe i and Fe ii abundances, respectively.

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