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Table 1

Laboratory wavelength λ0, oscillator strength f, transition strength fλ0, and sensitivity coefficients Q for Fe ii and Mg ii transitions.

Transition λ0 [Å] f 3 fλ0 [Å] Q 4

Fe ii 1608 1608.450811 0.0577 92.8 –0.019
Fe ii 2344 2344.21282 0.114 267.2 0.032
Fe ii 2374 2374.46012 0.0313 74.3 0.039
Fe ii 2382 2382.76412 0.320 762.5 0.036
Fe ii 2586 2586.64942 0.0691 178.7 0.039
Fe ii 2600 2600.17222 0.239 621.4 0.036

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