Fig. A.3.
BPT diagram obtained with the ANNR and SDSS MPA-JHU DR8 catalog where the color-code indicates the density of points. The ANNR is trained with the SDSS training set. The solid (ka03), dashed (Ke01) and dotted lines (S07) define the regions for the four main ionization mechanism of galaxies. The percentage for each group is shown in black.
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