Fig. 13
Hβ flux (black) and electron density time dependence. The Hβ integrated flux has been measured from the full set of NOT/FIES spectra. The electron density has been obtained from the [O III] analysis, as described in the text only for the NOT/FIES spectra in nebular conditions. The error bars are 1σ errors. The two dotted lines indicate the t-3 dependence and are not a fit to the data points.
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