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Fig. 7

image

Flux ratio maps; [N II]6548.84/Hα (panel a), [S II]6716.31/Hα (panel b). Both are Voronoi-binned to SNHα ~ 30. Overplotted are the same Hα contours as in Fig. 3a and broad-band levels as in Fig. 1. Features discussed in the text are marked with arrows.

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