Fig. 1
Selection of star-forming galaxies (red) using the prescription from Kauffmann et al. (2003, dashed line) BPT diagram (Baldwin et al. 1981). The solid line shows the prescription by Kewley et al. (2001). Objects with AGN-like spectra are close to the upper right while star-forming galaxies reside closer to the lower left corner as labelled.
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