BPT diagnostic diagrams for all galaxies with z< 0.5 that spectral lines measurements from SDSS exist. The solid line is from Kewley et al. (2006), while the dashed line from Kauffmann et al. (2003). The colour coding on the top panel indicates the fracAGN and, in the bottom panel, the AGN luminosity as measured by CIGALE. The median line flux uncertainty is 3% for the [OIII], 2% for the [NII], 3% for the [Hβ], and 1% for the [Hα].
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