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Table 2
Mean and dispersion of atmospheric parameters, signal-to-noise ratios and the derived chemical abundances for repeated spectra.
| Line | Mean | σ | Mean | σ | ||
|
|
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| HARPS | ||||||
| HD 188512 (1033*) | HD 190248 (1160) | |||||
| T eff | 5132.56 | 54.26 | 5567.14 | 3.77 | ||
| log g | 3.53 | 0.11 | 4.21 | 0.00 | ||
| [M/H] | –0.27 | 0.01 | 0.30 | 0.00 | ||
| S/N | 123.80 | 36.73 | 99.9 | 38.39 | ||
| [Mg i/ M] | 0.07 | 0.00 | –0.0 | 0.00 | ||
| [Fe i/ M] | –0.13 | 0.03 | –0.15 | 0.01 | ||
| [Fe ii/ M] | 0.04 | 0.01 | –0.01 | 0.00 | ||
| [Mn i/ M] | –0.02 | 0.01 | –0.08 | 0.00 | ||
| [Ni i/ M] | 0.03 | 0.01 | 0.04 | 0.01 | ||
| [Cu i/ M] | 0.01 | 0.03 | 0.02 | 0.04 | ||
| [Zn i/ M] | –0.14 | 0.04 | –0.22 | 0.02 | ||
|
|
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| HD 31128 (47) | HD 11977 (181) | |||||
| T eff | 5807.10 | 37.14 | 4970.80 | 33.10 | ||
| log g | 3.97 | 0.05 | 2.46 | 0.03 | ||
| [M/H] | –1.74 | 0.01 | –0.31 | 0.03 | ||
| S/N | 81.7 | 28.38 | 52.6 | 54.85 | ||
| [Mg i/ M] | 0.37 | 0.00 | 0.17 | 0.00 | ||
| [Fe i/ M] | 0.23 | 0.03 | 0.16 | 0.01 | ||
| [Fe ii/ M] | 0.24 | 0.01 | 0.11 | 0.00 | ||
| [Mn i/ M] | –0.32 | 0.01 | 0.19 | 0.00 | ||
| [Ni i/ M] | –0.09 | 0.01 | 0.12 | 0.01 | ||
| [Cu i/ M] | –0.31 | 0.03 | 0.28 | 0.04 | ||
| [Zn i/ M] | 0.17 | 0.04 | 0.15 | 0.02 | ||
|
|
||||||
| FEROS | ||||||
| HD 217107 (107) | HD 156384B (38) | |||||
| T eff | 5624.31 | 7.49 | 4648.78 | 8.90 | ||
| log g | 4.44 | 0.00 | 4.60 | 0.01 | ||
| [M/H] | 0.25 | 0.01 | –0.47 | 0.00 | ||
| S/N | 66.26 | 22.97 | 96.75 | 20.01 | ||
| [Mg i/ M] | 0.18 | 0.02 | 0.16 | 0.01 | ||
| [Fe i/ M] | 0.17 | 0.02 | 0.04 | 0.01 | ||
| [Fe ii/ M] | 0.17 | 0.01 | 0.04 | 0.01 | ||
| [Mn i/ M] | 0.12 | 0.02 | 0.04 | 0.04 | ||
| [Ni i/ M] | 0.23 | 0.01 | 0.06 | 0.01 | ||
| [Cu i/ M] | 0.23 | 0.01 | 0.12 | 0.01 | ||
| [Zn i/ M] | 0.08 | 0.02 | 0.11 | 0.04 | ||
|
|
||||||
| HIP 11952 (26) | HD 10042 (25) | |||||
| T eff | 5866.41 | 15.68 | 4903.90 | 20.04 | ||
| log g | 3.65 | 0.05 | 2.59 | 0.06 | ||
| [M/H] | –1.93 | 0.04 | –0.44 | 0.05 | ||
| S/N | 78.26 | 28.75 | 67.34 | 30.50 | ||
| [Mg i/ M] | 0.43 | 0.02 | 0.51 | 0.01 | ||
| [Fe i/ M] | 0.35 | 0.02 | 0.21 | 0.01 | ||
| [Fe ii/ M] | 0.27 | 0.01 | 0.12 | 0.01 | ||
| [Mn i/ M] | 0.12 | 0.02 | 0.03 | 0.04 | ||
| [Ni i/ M] | –0.05 | 0.01 | 0.16 | 0.01 | ||
| [Cu i/ M] | –0.23 | 0.01 | 0.26 | 0.01 | ||
| [Zn i/ M] | 0.32 | 0.02 | 0.41 | 0.04 | ||
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