Fig. 6
Spectrum synthesis of the Nd II lines at 6031.270 and 6034.228 Å for IRAS 06530-0213. The black spectrum is the observed UVES spectrum; the coloured spectra represent synthetic spectra with different Nd abundances. The red line represents the determined Nd abundance; the green and blue spectra represent synthetic spectra with a Nd abundance of −0.2 dex and +0.2 dex, respectively.
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