\begin{table}%t1
%\centering
\par
\caption{Swift BAT spectral fits. Quoted errors are 90\% confidence on 
1 interesting parameter.\label{table_bat}}
\begin{tabular}{ccc}
\hline\hline
 & \multicolumn{1}{c}{GRB050126} & \multicolumn{1}{c}{GRB050219a} \\
 \hline
Parameter &  & \\
 \noalign{\medskip}
T90 (s)       & $25.7\pm0.1$ & $23.5\pm0.02$ \\
Fluence ($\times10^{-6}$~erg~cm$^{-2}$)  & $1.7\pm0.3$ & $5.2\pm 0.4$ \\
 \hline
& \multicolumn{2}{c}{Model 1: Power-law (20--150keV)} \\
 \noalign{\medskip}
$\Gamma$  & $1.44\pm{0.18}$ & $\rm 1.23^{+0.06}_{-0.06}$ \\
$\chi^{2}/{\rm d.o.f.}$ & 66.2/53 & 125/53 \\
 \hline
& \multicolumn{2}{c}{Model 2: Cut-off powerlaw (20--150~keV)} \\
 \noalign{\medskip}
$\Gamma$     & -- & $\rm -0.39^{+0.38}_{-0.40}$ \\
$E_{\rm peak}$   & -- & $9\rm 7.0^{+51.1}_{-31.8}$ \\
$\chi^{2}/{\rm d.o.f.}$ & -- & 46.9/52 \\
 \hline
\end{tabular} 
\end{table}