Fig. 4.
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FeII template subtraction from the observed Hβ-[OIII] complex at the position of the emission peak in the MR-G setup (within a single spaxel of 0.4″ × 0.4″). The observed spectrum is shown in light blue, the FeII template in orange, and the residuals (pure Hβ-[OIII] complex) in green. The vertical dashed red lines mark the iron emission lines in this wavelength range (i.e., rest-frame wavelengths: λFe II = 4923.92, 4993.35, and 5018.45 Å).
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