Fig. 7
Example of forbidden and permitted Fe II lines. The plots show the [Fe II] λ 4287 line and three permitted lines of the multiplet 42 at λ 4924 Å (blended with the He I λ 4922 line), λ 5018 Å (blended with the He I λ 5016 line) and λ 5169 Å on a velocity scale relative to V sys. The multiplet 42 transitions display complex P-Cygni profiles, clearly seen in the du Pont and 2015 Nov FEROS spectra.
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