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Table 4

Comparison between HFR and other Kα2/Kα1 UTA line ratios.

Z N Kα2/Kα1
HFRa ASb MCDFc EXPd

21 20 0.52 0.51 0.52
22 21 0.49 0.50 0.51
23 22 0.50 0.50 0.50
24 23 0.49 0.50 0.51
25 24 0.51 0.50 0.51 0.51
27 26 0.50 0.50 0.52 0.51
29 28 0.50 0.50 0.51 0.52
30 29 0.50 0.50 0.51

Notes.

(a)

HFR calculations. This work. Summed over all the fine-structure lines.

(b)

AUTOSTRUCTURE calculations. This work. Summed over all the fine-structure lines.

(c)

MCDF-EAL calculations. This work. Summed over all the fine-structure lines.

(d)

Measurements by Hölzer et al. (1997).

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