\begin{table}%T7
\caption{Fit results on the X-ray spectrum from the nucleus of \vinef\ (area~2).}
\label{tabnuclfit}
%\centerline
 {
\begin{tabular}{llllllllll} 
\hline\hline
Model & $N_{\rm H}$ & $kT$ & $\Gamma$ & $Z$ & Norm & 
Red. $\chi^2$ & d.o.f. & $F_{\rm X}$ & $L_{\rm X}$\\
(1) & (2) & (3) & (4) & (5) & (6) & (7) & (8) & (9) & (10)\\ 
[0.5mm]
\hline\\[-2.5mm]
RS & $\rm 0.95^{+0.42}_{-0.31}$ & $\rm 0.82^{+0.05}_{-0.07}$ & & 1 & 1.1 & 2.7 & 9 & 
$\rm 0.36^{+0.04}_{-0.03}$ & $\rm 0.34^{+0.04}_{-0.03}$ \\ [1mm]
RS & $\rm 3.51^{+0.62}_{-0.49}$ & $\rm 0.78^{+0.07}_{-0.10}$ & & 0.1 & 6.6 & 1.2 & 9 & 
$\rm 0.59^{+0.01}_{-0.01}$ & $\rm 0.56^{+0.01}_{-0.01}$ \\ [1mm]
BS & $\rm 6.56^{+1.31}_{-0.92}$ & $\rm 0.54^{+0.11}_{-0.10}$ & & & 2.4 & 1.1 & 9 & 
$\rm 1.18^{+0.14}_{-0.16}$ & $\rm 1.12^{+0.13}_{-0.15}$ \\ [1mm]
PO & $\rm 9.71^{+1.88}_{-1.00}$ & & $\rm 3.27^{+0.30}_{-0.25}$ & & 2.0 & 1.4 & 9 & 
$\rm 4.70^{+3.00}_{-1.50}$ & $\rm 4.50^{+2.90}_{-1.40}$ \\ [1mm]
\hline
\end{tabular}
}
\smallskip
Column (1): spectral models: BS = thermal Bremsstrahlung, RS = 
Raymond-Smith, PO = power law.\\ 
Column (2): column density in units of 10$^{20}$ cm$^{-2}$.\\ 
Column (3): plasma temperature in units of~keV.\\ 
Column (4): photon index.\\ 
Column (5): metallicity in units of $Z_{\odot}$; fixed values.\\
Column (6): scaling factor: for BS in units of 
(10$^{-18}$/(4$\pi D^2$))$\int n_{\rm e}n_{\rm I}$d$V$, 
$n_{\rm e}, n_{\rm H}$ = electron and ion densities 
(cm$^{-3}$); for RS in units of 
(10$^{-18}$/(4$\pi D^2$))$\int n_{\rm e}n_{\rm H}$d$V$, 
$n_{\rm e}, n_{\rm H}$ = electron and H densities 
(cm$^{-3}$); for PO in units of 10$^{-4}$ photons~keV$^{-1}$ 
cm$^{-2}$ s$^{-1}$ at 1~keV.\\ 
Column (7): reduced $\chi^2$.\\ 
Column (8): degrees of freedom.\\ 
Column (9): unabsorbed X-ray flux in units of 10$^{-12}$ erg cm$^{-2}$ s$^{-1}$.\\ 
Column (10): X-ray luminosity in units of 10$^{40}$ erg s$^{-1}$.
\end{table}