\begin{table}%t1
\caption{Log of the X-ray observations of XRF~020427.}\label{t:tab1}
%\centering
\par
\begin{tabular}{llllll}
\hline
\hline 
Instrument & Band &  Seconds from  & Exposure & Source counts & Average 2--10 $\rkeV$ flux$^{a}$ \\
    &  ({\rm keV}) & XRF onset  & (s)  &  & ($\flux$)   \\
\hline
\sax /WFC & 2--28  & 0--60 & 60 & 4774 $\pm$ 329 & (9.7 $\pm$ 0.7) $\times$ 10$^{-9}$ \\ 
\sax /MECS & 1.6--10 & 40~320--55~080 & 6834 & 41 $\pm$ 9 & (4.2 $\pm$ 0.9) $\times$ 10$^{-13}$ \\
\sax /MECS & 1.6--10 & 197~640--218~520 & 8044 & $<$24$^{b}$ & $<$2.1 $\times$ 10$^{-13}$$^{b}$ \\
\hline
\chandra /ACIS--S$^{c}$ & 0.3--7  & 770~503--786~408 & 13~741 & 55 $\pm$ 8 & (1.1 $\pm$ 0.2) $\times$ 10$^{-14}$ \\
\chandra /ACIS--S$^{c}$ & 0.3--7  & 1~453~875--1~470~117 & 14~568 & 23 $\pm$ 6 & (4.4 $\pm$ 1.2) $\times$ 10$^{-15}$ \\
\hline
\end{tabular}
\begin{list}{}{}
\item[$^{a}$] Values computed by assuming the best fit spectral models
(see Table~\ref{t:tab2} and text).
\item[$^{b}$] 3$\sigma$ upper limits.
\item[$^{c}$] The values here reported refer to CXOU J220928.2--651932 and
were derived from the \chandra\ public data archive (see also Sect.~3). 
\end{list}
\end{table}