\begin{table}
%\centering
\par
\caption{\label{tab:hardx_lc_app}Hard X data from SuperAGILE and ISGRI. The Flux is reported in mCrab units in the energy band 20--60~keV.}
\begin{tabular}{c c c c c }
\hline\hline
Start date & Stop date & Exposure&Flux    & Observatory \\
(MJD)      & (MJD)     & (ks)    &(mCrab) &             \\  
\hline
54~450.72 & 54~453.91 & 136 & 30.2 $\pm$ 2.9 & SuperAGILE \\
54~453.91 & 54~457.10 & 141 & 24.5 $\pm$ 3.0 & SuperAGILE \\
54~458.30 & 54~461.63 & 140 & 21.6 $\pm$ 2.2 & SuperAGILE \\
54~461.63 & 54~464.96 & 150 & 21.2 $\pm$ 2.4 & SuperAGILE \\
54~469.57 & 54~473.46 & 176 & 22.2 $\pm$ 2.3 & SuperAGILE \\  
\par
%54453.86&  54454.14 & & 25.7 $\pm$ 1.6 & ISGRI \\
54~453.86 & 54~454.14 & 21 & 25.7 $\pm$ 1.6 & ISGRI \\
54~454.14 & 54~454.43 & 18 & 22.4 $\pm$ 1.6 & ISGRI \\
54~454.43 & 54~454.72 & 21 & 24.2 $\pm$ 2.4 & ISGRI \\
54~454.72 & 54~455.01 & 22 & 22.4 $\pm$ 1.5 & ISGRI \\
54~455.01 & 54~455.30 & 22 & 23.1 $\pm$ 1.5 & ISGRI \\
54~455.30 & 54~455.59 & 24 & 23.8 $\pm$ 1.4 & ISGRI \\
54~455.59 & 54~455.88 & 22 & 25.1 $\pm$ 1.5 & ISGRI \\
54~455.88 & 54~456.17 & 22 & 24.0 $\pm$ 1.5 & ISGRI \\
%54456.17 & &54456.46 & & 26.0 $\pm$ 2.9 & ISGRI \\
54~456.17 & 54~456.38 & 14 & 26.0 $\pm$ 2.9 & ISGRI \\
\par
%54459.64 & 54459.93 & & 18.3 $\pm$ 2.6 & ISGRI \\
54~459.73 & 54~459.93 &  8 & 18.3 $\pm$ 2.6 & ISGRI \\
54~459.93 & 54~460.22 & 24 & 21.1 $\pm$ 1.5 & ISGRI \\
54~460.22 & 54~460.51 & 23 & 19.3 $\pm$ 1.6 & ISGRI \\
54~460.51 & 54~460.80 & 24 & 18.2 $\pm$ 1.5 & ISGRI \\
54~460.80 & 54~461.09 & 20 & 17.9 $\pm$ 1.6 & ISGRI \\
54~461.09 & 54~461.38 & 23 & 20.1 $\pm$ 1.6 & ISGRI \\
54~461.38 & 54~461.67 & 24 & 22.2 $\pm$ 1.5 & ISGRI \\
54~461.67 & 54~461.96 & 15 & 20.3 $\pm$ 1.9 & ISGRI \\
54~461.96 & 54~462.25 & 24 & 20.2 $\pm$ 1.5 & ISGRI \\
%54462.25 & 54462.54 & & 17.6 $\pm$ 4.1 & ISGRI \\
54~462.25 & 54~462.27 &  6 & 17.6 $\pm$ 4.1 & ISGRI \\
\par
54~465.72 & 54~466.01 & 16 & 23.2 $\pm$ 1.9 & ISGRI \\
54~466.01 & 54~466.30 & 24 & 20.4 $\pm$ 1.4 & ISGRI \\
54~466.30 & 54~466.59 & 23 & 19.1 $\pm$ 1.5 & ISGRI \\
54~466.59 & 54~466.88 & 24 & 24.9 $\pm$ 1.5 & ISGRI \\
54~466.88 & 54~467.17 & 23 & 21.7 $\pm$ 1.5 & ISGRI \\
54~467.17 & 54467.45 & 24 & 27.1 $\pm$ 1.5 & ISGRI \\
54~467.45 & 54~467.74 & 24 & 22.6 $\pm$ 1.5 & ISGRI \\
54~467.74 & 54~468.03 & 22 & 23.0 $\pm$ 1.5 & ISGRI \\
%54468.03 & 54468.32 & & 26.1 $\pm$ 1.9 & ISGRI \\
54~468.03 & 54~468.18 & 21 & 26.1 $\pm$ 1.9 & ISGRI \\
\hline
\end{tabular}
\end{table}