Table 1: Final atomic model used in the analysis of HD 45166. A single-level ion of one higher ionization stage is included for every species (e.g. C VI for carbon) and omitted below for brevity.
Ion $N_{\rm S}$ $N_{\rm F}$ $N_{\rm T}$
H I 30 20 435
He I 45 40 435
He II 30 22 233
C III 243 83 5513
C IV 64 60 1446
C V 107 43 2196
N III 287 57 344
N IV 60 34 331
N V 67 45 1554
O III 349 64 823
O IV 95 19 823
O V 34 34 118
O VI 13 13 59
Si IV 33 22 185
Si V 45 22 302
Fe IV 264 28 3889
Fe V 191 47 2342
Fe VI 433 44 8663
Fe VII 252 41 2734
Fe VIII 324 53 7305
Ni IV 200 36 2337
Ni V 183 46 1524
$N_{\rm S}$ = number of included superlevels; $N_{\rm F}$ = number of total energy levels; $N_{\rm T}$ = number of bound-bound transitions included for each ion.

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