Fig. 4

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Best fitting models in blue to the observed lines in black for B243. The blue shaded regions indicate models that fall within the 1σ confidence interval. Each line is fitted individually with the inclination set to 75°, the respective parameters are shown in Fig. 5. The orange profiles indicate the best fit when fitting Pa-16 to Pa-9 simultaneously. Notice the factor ~30 range in line strengths covered by the Paschen series.
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