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Table 1

Parameters adopted and results of the calculation of inferred Ca abundance.

Line-by-Line All-lines
Name Teff log g [Fe/H] vmic n vmac σ A(Ca) σ vmac A(Ca)
K cm s−2 dex km s−1 km s−1 dex km s−1 dex
Procyon 6 530 4.00 +0.0 2.00 49 NLTE 3.8 1.1 6.20 0.11 3.98 ± 1.16 6.18 ± 0.09 2.29
LTE 3.2 1.0 6.27 0.10 3.38 ± 1.07 6.26 ± 0.10 3.92
Sun 5 772 4.44 +0.0 1.10 65 NLTE 2.0 0.4 6.25 0.09 1.97 ± 0.69 6.27 ± 0.07 3.19
LTE 1.4 0.4 6.33 0.10 1.42 ± 0.80 6.34 ± 0.09 4.99
Sun(IR) 16 NLTE 2.3 0.3 6.24 0.09 2.22 ± 0.84 6.24 ± 0.06 3.78
LTE 1.5 0.4 6.26 0.17 1.49 ± 0.81 6.28 ± 0.06 4.90
α Boo 4 247 1.59 −0.5 1.63 44 NLTE 3.0 0.4 5.90 0.18 3.14 ± 0.62 6.01 ± 0.09 4.93
LTE 2.9 0.4 5.90 0.13 2.82 ± 0.62 6.00 ± 0.09 3.71
α Boo(IR) 15 NLTE 3.4 0.4 6.08 0.30 3.48 ± 0.75 6.06 ± 0.07 1.46
LTE 3.1 0.5 6.23 0.21 3.05 ± 0.73 6.18 ± 0.08 1.32

Notes. The number of Ca lines used in each fit is in the sixth column (n). σ represents the standard deviation of the quantity to the left. The errors in Cols. 12 and 13 were obtained based on the confidence levels obtained during the χ2 minimisation process.

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