Fig. 8
Upper panel: portion of the 2D echellogram showing [Fe iii] λ5270 (left) and [Cl iii] λ5517 lines for M1-61. The grey scale is the same for both lines. It is clear that the [Fe iii] emission is more extended that [Cl iii] emission. Lower panel: portion of the 1D extracted spectra showing the [Fe iii] λ4658 line, compared with multiplet 1 O ii ORLs. The FWHM of the [Fe iii] line is clearly larger.
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