Standard diagnostic diagram [O III]/Hβ-[NII]/Hα with the theoretical z = 1.47 curve used to separate purely SF galaxies from galaxies containing AGN (Kewley et al. 2013). The diagnostic ratios from the integrated 0.4′′diameter nuclear spectrum (empty symbols) and for the 0.4−1″ diameter annular region (filled symbols), for both the OC (red circles) and NC (blue triangles) components are shown. We also plot the value obtained for the NW plume with a green cross.
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