Emission-line ratio diagnostic diagram for the Hα dots. Hα-detected (open symbols) vs. [O iii]-detected objects (filled symbols) are distinguished from each other, as are star-forming galaxies (circles) vs. AGNs (triangles). The dashed line is from Kauffmann et al. (2003) and delineates regions in the diagram occupied by star-forming galaxies and narrow-line AGNs. The solid line represents a locus of H ii region model points from Dopita & Evans (1986), where the metallicity of the models vary smoothly from high values in the lower right to low values in the upper left.