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Table 2
Metallicity of GBS obtained individually by each method by analyzing neutral iron abundances and assuming LTE.
| Star | LUMBA | Bologna | EPINARBO | Nice | UCM | ULB | Porto | vmic (Km s-1) | σ v mic |
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| 18 Sco | +0.01 | +0.03 | –0.10 | +0.00 | –0.02 | –0.01 | –0.02 | 1.2 | 0.2 |
| 61 Cyg A | –0.42 | –0.35 | –0.33 | –0.25 | –0.40 | –0.45 | –0.39 | 1.1 | 0.04 |
| 61 Cyg B | –0.47 | –0.35 | –0.48 | –0.50 | –0.34 | –0.74 | –0.32 | 1.1 | 0.36 |
| α Cen A | +0.29 | +0.25 | +0.14 | +0.25 | +0.22 | +0.14 | 0.23 | 1.2 | 0.07 |
| α Cen B | +0.23 | +0.27 | +0.06 | +0.25 | +0.17 | +0.21 | +0.13 | 1.1 | 0.31 |
| α Cet | –0.13 | –0.33 | –0.39 | +0.00 | –0.38 | –0.64 | – | 1.4 | 0.4 |
| α Tau | –0.12 | –0.23 | –0.31 | –0.25 | –0.34 | –0.43 | – | 1.4 | 0.4 |
| Arcturus | –0.52 | –0.56 | –0.54 | –0.50 | –0.50 | –0.65 | –0.46 | 1.3 | 0.12 |
| β Ara | +0.35 | +0.11 | –0.08 | +0.00 | +0.07 | –0.16 | – | 1.5 | 0.46 |
| β Gem | +0.05 | +0.07 | +0.03 | +0.00 | +0.16 | –0.01 | 0.24 | 1.1 | 0.21 |
| β Hyi | –0.04 | –0.06 | –0.09 | –0.25 | –0.11 | –0.06 | –0.09 | 1.3 | 0.04 |
| β Vir | +0.17 | 0.15 | +0.10 | +0.00 | +0.11 | +0.11 | +0.11 | 1.4 | 0.09 |
| δ Eri | +0.06 | +0.14 | –0.06 | +0.00 | +0.04 | +0.00 | +0.00 | 1.2 | 0.22 |
| ϵ Eri | –0.10 | –0.11 | –0.09 | –0.25 | –0.15 | –0.12 | –0.19 | 1.1 | 0.05 |
| ϵ For | –0.58 | –0.59 | –0.62 | –0.75 | –0.68 | –0.61 | –0.67 | 1.2 | 0.13 |
| ϵ Vir | +0.09 | +0.09 | +0.02 | +0.00 | +0.24 | +0.04 | +0.08 | 1.1 | 0.25 |
| η Boo | +0.34 | +0.30 | +0.33 | +0.00 | +0.08 | –0.28 | +0.27 | 1.4 | 0.19 |
| γ Sge | –0.01 | –0.01 | –0.09 | –0.25 | –0.05 | –0.39 | – | 1.4 | 0.34 |
| Gmb 1830 | –1.48 | –1.47 | –1.62 | –1.50 | –1.48 | –1.80 | –1.46 | 1.1 | 0.57 |
| HD 107328 | –0.20 | –0.35 | –0.26 | –0.25 | –0.22 | –0.47 | –0.10 | 1.2 | 0.26 |
| HD 122563 | –2.67 | –2.76 | –2.76 | –3.00 | –2.75 | –2.84 | –2.76 | 1.3 | 0.11 |
| HD 140283 | –2.51 | –2.53 | –2.44 | –2.50 | –2.55 | –2.54 | –2.57 | 1.3 | 0.20 |
| HD 220009 | –0.82 | –0.77 | –0.70 | –0.75 | –0.79 | –0.83 | –0.79 | 1.3 | 0.14 |
| HD 22879 | –0.88 | –0.87 | –0.91 | –1.00 | –0.95 | –0.83 | –0.89 | 1.2 | 0.19 |
| HD 49933 | –0.43 | –0.42 | –0.43 | –0.50 | –0.62 | –0.39 | –0.49 | 1.9 | 0.35 |
| HD 84937 | –2.22 | –2.15 | –2.15 | –2.00 | –2.23 | –2.21 | –2.21 | 1.5 | 0.24 |
| ξ Hya | -0.01 | +0.08 | +0.10 | +0.00 | +0.19 | +0.06 | +0.30 | 1.1 | 0.32 |
| μ Ara | +0.36 | +0.34 | +0.31 | +0.25 | +0.26 | +0.28 | +0.32 | 1.2 | 0.13 |
| μ CasA | –0.86 | –0.82 | –0.82 | –1.00 | –0.89 | –0.78 | –0.88 | 1.1 | 0.29 |
| μ Leo | +0.37 | +0.39 | +0.31 | +0.25 | +0.50 | +0.23 | +0.34 | 1.1 | 0.26 |
| Procyon | +0.03 | –0.03 | –0.08 | +0.00 | –0.06 | –0.01 | –0.06 | 1.8 | 0.11 |
| ψ Phe | –0.65 | –0.57 | –0.42 | +0.00 | –0.40 | –0.47 | – | 1.5 | 0.33 |
| Sun | +0.03 | +0.04 | –0.06 | +0.00 | –0.02 | –0.01 | –0.03 | 1.2 | 0.18 |
| τ Cet | –0.51 | –0.49 | –0.49 | –0.75 | –0.56 | –0.49 | –0.56 | 1.1 | 0.28 |
Notes. The last two columns indicate the mean value for the microturbulence parameter obtained by each method and the standard deviation of this mean.
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