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Fig. 5.


2D representation of the 1D best-fitting (mixed) model for the example galaxy He 2-10. Schematics for the other galaxies of the sample are shown in Appendix B. The model parameters are the same as those reported in Table 4. Color coding corresponds to density. The central stellar cluster is represented in green. The distance to the inner black shell is proportional to the inner radius, and the thickness of the inner black shell is proportional to the ionization parameter U, while the thickness of the H II and PDR regions are kept fixed. U is a function of the input stellar spectrum, density, and inner radius. The angle shown by dotted lines indicates the contribution from each component (i.e., parameter fc in Table 4).

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