\begin{table}%t5
%%%\centering


\par
\caption{\label{Q0fits} Results for power law fits and galactic
absorption ($N_{\rm H}^{\rm gal}=1.67\times 10^{20}$~cm$^{-2}$) for \Qzero 
in the energy band $0.2{-}9.0$~keV.}
\begin{tabular}{lccc}
 \hline \hline
\multicolumn{1}{c}{Detector} & \multicolumn{1}{c}{$\Gamma $} &
\multicolumn{1}{c}{Normalization} & \multicolumn{1}{c}{$\chi^2_{\rm red}$/d.o.f.} \\
\multicolumn{1}{c}{  } & \multicolumn{1}{c}{ } & 
\multicolumn{1}{c}{ (1) } & \multicolumn{1}{c}{}\\
\noalign{\smallskip} \hline \noalign{\smallskip}
 PN &           	            
   $2.19\pm0.12$  & $1.31\pm0.14$ & 0.91/64\\
  MOS1 &        	            
   $1.98\pm0.40$  & $1.58\pm0.19$ & 0.67/21\\
   MOS2 &       	            
   $1.82\pm0.23$ & $1.46\pm0.23$ &0.52/23\\
 PN+MOS &
   $2.10\pm 0.11$ & (a) & 0.85/110\\
\noalign{\smallskip}\hline
\end{tabular}
\begin{flushleft}
 The errors given are at the 90\% level.\\
$^{(1)}$ Normalization at 1~keV in 10$^{-5}$ ph/keV/cm$^2$/s. \\
$^{(a)}$ Different normalizations for the individual detectors.
\end{flushleft}
\end{table}