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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