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Fig. 4
Position-velocity plots of the [S ii]λ6731/[S ii]λ6716 line ratio in linear greyscale. Cyan and orange contours indicate the [S ii]λ6716 and [S ii]λ6731 emission at 3σ, respectively. Where only one of the two lines is above the 3σ threshold the upper/lower limit of the line ratio is reported.
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