\begin{table}%t4
\caption{\label{tab-crab}Our measurements of the Crab flux with SPI and ISGRI assuming the spectral shape given in Table~\ref{tab-summary1a} for energy redistribution.}
\small%\centering
\par
\begin{tabular}{l|ccccc}
\hline\hline
&&&&& \\[-8pt]
    Instrument & \multicolumn{5}{c}{Crab Nebula Flux $[10^{-3}$ cm$^{-2}$ s$^{-1}]$}\\
               & 25--50 keV & 50--100 keV & 100--200 keV & 200--600 keV & 600--1000 keV \\
\hline
    SPI        & 156.5 $\pm$ 0.4 & 72.18 $\pm$ 0.15 & 32.14 $\pm$ 0.12 & 17.81 $\pm$ 0.27 & 3.47 $\pm$ 0.15 \\
    ISGRI      & 140.2 $\pm$ 0.4 & 64.38 $\pm$ 0.16 & 27.46 $\pm$ 0.09 & 13.47 $\pm$ 0.25 & -- \\
\hline
    Ratio SPI/ISGRI & 1.116 $\pm$ 0.004 & 1.121 $\pm$ 0.004 & 1.170 $\pm$ 0.006 & 1.322  $\pm$  0.032 & --\\
\hline
  \end{tabular}
\end{table}