\begin{table}%t2
%\centering
\par
\caption{Spectral parameters of acceptable model fits to the NFI
spectrum. $\Gamma$ is the photon index. Errors are for 90\% 
confidence.\label{tabnfi}}
\begin{tabular}{ll}
\hline\hline
Model                    & power law + black body\\
$N_{\rm H}$              & $(3.1\pm0.3)\times10^{21}$\\
bb $kT$                  & $0.51\pm0.03$ keV \\
$\Gamma$                 & $2.07\pm0.05$ \\
$\chi^2_\nu$             & 1.21 (133 dof) \\
Unabs. 0.1--200 keV flux & $(6.4\pm0.5)\times10^{-10}$~\ecs \\
Abs. 2--10 keV flux      & $(1.37\pm0.02)\times10^{-10}$~\ecs \\
\hline
Model                    & comptt + black body \\
$N_{\rm H}$              & $(2.8\pm0.3)\times10^{21}$ \\
bb $kT$                  & $0.51\pm0.03$ keV \\
$kT_{\rm plasma}$        & $34_{-17}^{+110}$~keV \\
$\tau$ (spherical geometry) & $1\pm0.5$ \\
$\chi^2_{\rm r}$         & 1.20 (131 dof) \\
Unabs. 0.1--200 keV flux & $(5.5\pm0.5)\times10^{-10}$~\ecs \\
Abs. 2--10 keV flux      & $(1.37\pm0.02)\times10^{-10}$~\ecs \\
\hline
\end{tabular}
\end{table}