\begin{table}%t1 \caption{\label{table:1}Best fit parameters of the SED at different epochs.} %\centering \par \begin{tabular}{cc cc c} \hline\hline \noalign{\smallskip} Days & Model & $\beta$ & $A(3000~\AA)$ & $A_V$\tablefootmark{a} \\ &&&(mag) & (mag)\\ \hline 0.47 & PL & $1.28 \pm 0.11$ & \mbox{\ldots} & \mbox{\ldots} \\ & PL+SN & $1.22 \pm 0.24$ & $0.3\pm0.22$ & \mbox{\ldots} \\ & PL+SMC & $1.23 \pm 0.08$ & $0.1 \pm 0.07$ & $0.05 \pm 0.04$ \\ \hline 1.25 & PL & $1.24 \pm 0.09$ & \mbox{\ldots} & \mbox{\ldots} \\ & PL+SN & $1.27 \pm 0.2$ & $0.05\pm 0.11$ & \mbox{\ldots} \\ & PL+SMC & $1.17 \pm 0.51$ & $0.01 \pm 0.04$ & $0.01 \pm 0.02$ \\ \hline 3.4 & PL & $1.25 \pm 0.05$ & \mbox{\ldots} & \mbox{\ldots} \\ & PL+SN & $1.23 \pm 0.21$ & $0.22 \pm 0.24$ & \mbox{\ldots} \\ & PL+SMC & $1.24 \pm 0.07$ & $0.056 \pm 0.059$ & $0.042 \pm 0.044$ \\ \hline \end{tabular} \tablefoot{\tablefoottext{a}{The SN-origin extinction curve has been only computed in the range $\lambda_{\rm{rest}}=1000-4000~\AA$, hence it is not possible to provide~$A_V$.}} \end{table}