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Fig. 5


Line ratio to Hα or Hβ maps for strong lines. Values are presented in linear scale. Contours correspond to 5.0×10-14, 8.0×10-15, 3.9×10-16, and 1.3×10-16 erg cm-2 s-1 from the Hα flux map. To highlight the changes in the line ratios and mitigate outlier effects, the limits of the color scale are the 3% and 97% percentiles.

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