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Table 6
Barium LTE and NLTE abundances, NLTE abundance corrections, and the effect of uncertainties in stellar parameters on abundances (in dex) derived from individual lines of Ba ii in ET0381 and scl_03_059.
| Object | ET0381 | scl_03_059 | ||||||||||||
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| λ, Å | 4934 | 6141 | 6496 | 4934 | 5853 | 6141 | 6496 | |||||||
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| f odd | 0.72 | 0.46 | 0.18 | 0.11 | 0.46 | 0.46 | 0.72 | 0.46 | 0.18 | 0.11 | 0.46 | 0.46 | 0.46 | |
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|
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 , LTE |
−1.82 | −1.74 | −1.62 | −1.56 | −1.52 | −1.54 | −1.72 | −1.58 | −1.40 | −1.30 | −1.29 | −1.41 | −1.39 | |
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| mean: −1.53 ± 0.02 | mean: −1.36 ± 0.05 | |||||||||||||
| ΔNLTE | 0.01 | 0.01 | 0.00 | 0.00 | 0.08 | 0.04 | 0.00 | 0.00 | 0.00 | −0.01 | 0.08 | 0.10 | 0.05 | |
| , NLTE |
−1.81 | −1.72 | −1.62 | −1.56 | −1.44 | −1.50 | −1.72 | −1.58 | −1.40 | −1.31 | −1.21 | −1.31 | −1.34 | |
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| mean: −1.47± 0.04 | mean: −1.29 ± 0.05 | |||||||||||||
| Changes in Ba abundance (in dex) caused by uncertainties in stellar parameters | ||||||||||||||
| Teff , −100 K | −0.05 | −0.05 | −0.05 | −0.05 | −0.02 | −0.02 | −0.12 | −0.12 | −0.12 | −0.12 | −0.01 | −0.02 | −0.01 | |
| log g, −0.1 | −0.04 | −0.04 | −0.04 | −0.04 | −0.04 | −0.04 | −0.01 | −0.01 | −0.01 | −0.01 | −0.06 | −0.05 | −0.06 | |
| vt, −0.2 km s-1 | 0.02 | 0.03 | 0.06 | 0.08 | 0.04 | 0.02 | 0.06 | 0.07 | 0.09 | 0.10 | 0.01 | 0.07 | 0.05 | |
| Total | 0.07 | 0.07 | 0.09 | 0.10 | 0.06 | 0.05 | 0.13 | 0.14 | 0.15 | 0.16 | 0.06 | 0.09 | 0.08 | |
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