\begin{table}%T1
\caption{\label{tabspec}Results of the fitting procedure to the joint ISGRI/JEM-X spectrum with different models.}
\small%\centerline
{
\begin{tabular}{c c c c c}
\hline
\hline\noalign{\smallskip}
\# & Model~& $\chi^2$/d.o.f. & $kT$ [keV] & Additional parameters\\
\hline
1 & MEKAL & 108.9/24 & 4.4 & ~ \\
2 & MEKAL+power-law & 25.5/22 & $3.66\pm0.12$ & $\Gamma=2.75_{-0.18}^{+0.16}$ \\
3 & MEKAL+NGC~1275$^a$ & 55.9/24 & $4.1$ & ~ \\
4 & MEKAL+NT$^b$ & 118.7/24 & $3.3$ & ~ \\
5 & MEKAL+MEKAL+NGC~1275$^a$ & 23.9/22 & $3.41\pm0.15$ & $kT_{2}=11_{-3}^{+4}$ \\[0.8mm]
6 & MEKAL+cutoffpl$^c$+NGC~1275$^a$ & 25.0/22 & $3.48\pm0.13$ & $E_{\rm cut}=16_{-4}^{+6}$ \\
\noalign{\smallskip}\hline
\end{tabular}}
\smallskip
$^a$ Fixed to the value reported in \citet{churazov}.\\
$^b$ Fixed to the parameters extracted by \citet{sanders05}.\\ 
$^c$ Photon index of the cut-off power law fixed to $\Gamma=2.0$.
\end{table}