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Fig. 1

image

NGC 4961 and UGC 03555 OIII/Hβ, NII/Hα, and oxygen abundance maps (top) and gradient fits (bottom). Black dots show measurements in individual spaxels, gray dots measurements in Voronoi spaxels, blue dots measurements from azimuthal averaged spectra, and red dots represent measurements from the spaxels where SNe exploded (2001ee-II in the top panel, and 2004ge-Ic/1999ed-II in the bottom panel). Mean representative X- and Y- errors are plotted in the lower left corner for reference.

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