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Fig. 1

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Spectroscopic diagnostic diagrams for the galaxies of the Palomar sample with reported broad lines. The red (black) dots represent galaxies with (without) available HST spectra. The solid lines are from Kewley et al. (2006) and separate star-forming galaxies, LINER, and Seyfert; in the left panel, the region between the two curves is populated by the composite galaxies.

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