\begin{table}%t3 \caption{\label{table:fit_pre_post}To search for spectral variability, all datasets were fit with a simple model (const*wabs*(cutoff+diskbb)). The normalization of the thermal and non-thermal components are listed below. $kT_{\rm in}=0.25$~keV, $\Gamma=0.42$, and $E_{C}=14$~keV, $C_{{\rm MOS1}}=0.89$, and $C_{{\rm MOS1}}=0.88$ are fixed.} \par %\centering \small \begin{tabular}{lcccc} \hline \hline %&&&&&& \\[-8pt] Obs. & Normalization & Normalization & $\frac{F_{0.2-1}({\rm BB})}{F_{0.2-1}({\rm PL})}$ & $\chi_{\nu}^{2}$ \\ & \verb=diskbb= & \verb=cutoff= $\times 10^{-3}$ & & (d.o.f.) \\ \hline 1 & $53\pm4$ & 2.51 $\pm$ 0.05 & 1.0 $\pm$ $0.1$ & $1.20 (445)$ \\ 2 & $890\pm20$ & 13.7 $\pm$ 0.1 & 3.23 $\pm$ $0.1 $ & $1.26 (675)$ \\ 3 & $58\pm4$ & 2.77 $\pm$ 0.05 & 1.04 $\pm$ $0.1$ & $1.34 (614)$ \\ 4 & $2\pm1$ & 0.23 $\pm$ 0.01 & 0.4 $\pm$ $0.2$ & $1.05 (147)$ \\ \hline \end{tabular} \end{table}