Fig. 4
Diagnostic diagram for the emission-line regions of run1 galaxies at different galactocentric distances (R) scaled with R25. The solid line (Kewley et al. 2001) sets the star formation upper limit, the dashed line (Kauffmann et al. 2003) the empirical division between star-forming galaxies (SF) and transition objects (T), and the horizontal line (Kewley et al. 2006) separates Seyferts and Low-Ionization Nuclear Emission-line Regions (LINERs).
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