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Table 4

Number of non-LTE levels and lines of model ions used for line formation calculations of metals.

III IV V VI VII

C 6, 4 54, 279
N 1, 0 76, 405 54, 297
O 83, 637 105, 671 54, 280
Ne 14, 18 14, 30 15, 27
Si 30, 102 25, 59 45, 193 61, 138
P 3, 0 21, 9 18, 12
S 39, 107 25, 48 38, 120
Ar 4, 0 48, 225 40, 130

Notes. First and second number of each table entry denote the number of levels and lines, respectively. Not listed for each element is the highest considered ionization stage, which comprises its ground state only. See the text for the treatment of iron and nickel.

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