Table 2: Atomic data.
Transition $\lambda _{\rm vac}$ f Ref.
  (Å)    
Si  II $\lambda$1020 1020.6989 0.01680 a
Si  II $\lambda$1190 1190.4158 0.25000 a
Si  II $\lambda$1304 1304.3702 0.08630 a
Si  II $\lambda$1526 1526.7070 0.12700 a
Si  II $\lambda$1808 1808.0129 0.00208 a
II $\lambda$1250 1250.5840 0.00545 a
II $\lambda$1253 1253.8110 0.01090 a
II $\lambda$1259 1259.5190 0.01620 a
Cr  II $\lambda$2056 2056.2690 0.1050 a
Cr  II $\lambda$2062 2062.2361 0.0780 a
Cr  II $\lambda$2066 2066.1640 0.0515 a
Fe  II $\lambda$1143 1143.2260 0.01770 a
Fe  II $\lambda$1144 1144.9379 0.10600 a
Fe  II $\lambda$1608 1608.4508 0.05800 a
Fe  II $\lambda$1611 1611.2003 0.00136 a
Fe  II $\lambda$2249 2249.8768 0.00182 a
Fe  II $\lambda$2260 2260.7805 0.00244 a
Fe  II $\lambda$2344 2344.2130 0.11400 a
Fe  II $\lambda$2374 2374.4603 0.0313 a
Ni  II $\lambda$1370 1370.1320 0.0765 b
Ni  II $\lambda$1454 1454.8420 0.0300 b
Ni  II $\lambda$1709 1709.6042 0.0324 b
Ni  II $\lambda$1741 1741.5531 0.0427 b
Ni  II $\lambda$1751 1751.9157 0.0277 b
Zn  II $\lambda$2026 2026.1371 0.489 a
Zn  II $\lambda$2062 2062.6604 0.256 a
References: Vacuum wavelengths from Morton (2003).
Oscillator strengths: a) Morton (2003); b) Fedchak et al. (2000).

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