Fig. 3.

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Temporal evolution of the main spectral features for our sample of ILRT. The first two panels of each row show the luminosity of Hα, Hβ, the Ca II NIR triplet and [Ca II] with coloured circles. Solid lines represent the scaled level of continuum in the proximity of each feature. The last panels of each row show the EW of the Na ID and Ca II H&K absorption features.
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