\begin{table}%T2 \caption{\label{Mod}Spectral models. } \small%\centering \par \begin{tabular}{lll} \hline \hline\noalign{\smallskip} Model & Description and references & XSPEC \\ label & & name \\ \hline \par $i$& partial covering with ionised absorber at the & zxipcf \\ & redshift of the source (Reeves et~al. \cite{Reeves2008}) & \\ $d$& reflection by distant neutral material & pexmon \\ & including fluorescence emission lines & \\ & (Nandra et~al. \cite{Nandra2007}) & \\ $p$& power\--law & pow \\ \par $k$& relativistic blurring from an accretion disk & kyconv \\ & around a rotating Kerr black hole & \\ & (Do\v{v}ciak et~al.\cite{Dovciak2004}) & \\ $n$& neutral absorber at the redshift of the source & zphabs \\ $r$& reflection by a constant density illuminated & reflion \\ & atmosphere (Ross \& Fabian \cite{Ross2005}) & \\ \hline \end{tabular} \end{table}