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Fig. 14
Comparison of the Hα/Hβ, [N ii]λ6583/Hα and [O iii]λ5007/Hβ ratios, derived from central spectra for the galaxies in this sample and the SDSS spectral, using the multi-SSP fitting procedure, plus the comparison between the S/N in both spectra.
This figure is made of several images, please see below:
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