Table 2
Impact of uncertainties affecting intrinsic parameters on iron abundance.
| Name | T eff | [Fe/H] | log g | v t | Element | Δ T eff | Δlog g | Δ v t | |||
| –100 K | +100 K | –0.3 | +0.3 | –0.5 | +0.5 | ||||||
|
|
|||||||||||
| V340 Ara | 6060 | 0.22 ± 0.01 | 0.8 | 5.2 | Fe I | 0.17 | 0.31 | 0.28 | 0.22 | 0.27 | 0.23 |
| Fe II | 0.25 | 0.20 | 0.12 | 0.33 | 0.26 | 0.20 | |||||
| [Fe/H] | 0.21 | 0.26 | 0.20 | 0.28 | 0.27 | 0.22 | |||||
|
|
|||||||||||
| V340 Ara | 4820 | 0.23 ± 0.18 | 1.0 | 4.4 | Fe I | 0.14 | 0.30 | 0.20 | 0.21 | 0.27 | 0.15 |
| Fe II | 0.38 | 0.22 | 0.14 | 0.46 | 0.42 | 0.20 | |||||
| [Fe/H] | 0.26 | 0.26 | 0.17 | 0.34 | 0.35 | 0.18 | |||||
|
|
|||||||||||
| V500 Sco | 5280 | –0.03 ± 0.12 | 0.4 | 3.8 | Fe I | –0.11 | 0.06 | 0.01 | –0.07 | 0.04 | –0.07 |
| Fe II | 0.00 | –0.07 | –0.16 | 0.09 | 0.02 | –0.08 | |||||
| [Fe/H] | –0.06 | –0.01 | –0.08 | 0.01 | 0.03 | –0.08 | |||||
|
|
|||||||||||
| V500 Sco | 6020 | –0.11 ± 0.07 | 1.1 | 4.0 | Fe I | –0.18 | –0.05 | –0.09 | –0.13 | –0.08 | –0.13 |
| Fe II | –0.11 | –0.11 | –0.21 | –0.01 | –0.05 | –0.15 | |||||
| [Fe/H] | –0.15 | –0.08 | –0.15 | –0.07 | –0.07 | –0.14 | |||||
|
|
|||||||||||
| V510 Mon | 5505 | –0.16 ± 0.06 | 0.9 | 3.4 | Fe I | –0.25 | –0.07 | –0.16 | –0.08 | –0.08 | –0.19 |
| Fe II | –0.14 | –0.19 | –0.05 | –0.10 | –0.10 | -0.21 | |||||
| [Fe/H] | –0.20 | –0.13 | –0.11 | –0.09 | –0.09 | –0.20 | |||||
Notes. Error budget for V340 Ara, V500 Sco, and V510 Mon. Columns 7 to 12 list plausible changes in atmospheric parameters: effective temperature (Teff), surface gravity (log g), and microturbulent velocity (vt) together with their impact on Fe I and Fe II abundances. The mean [Fe/H] abundance for each set of intrinsic parameters is also given.
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