\begin{table}%t1
\caption{Data from the observations of all long-duration GRBs
         observed with \cxo\ or \xmm\ that place the lowest
         limit available on the flux.\label{tab:all_obs}}
%\centerline
 {\begin{tabular}{@{}lcccccc@{}}
\hline\hline
GRB	& Obser-	&$t_{\rm burst}$& Range	& Flux					& $z$	& Luminosity$^{[1]}$\\
	& vatory	& (days)	& (keV)	& \multicolumn{2}{l}{($10^{-15}$~erg~cm$^{-2}$~s$^{-1}$)}	& ($10^{44}$~erg~s$^{-1}$)\\
\hline
040223  & N     &   0.75	&    2--10 &  $170$$^{[{2}]}$ 	& -- 	& --  \\
040106  & N     &   0.72	&    2--10 &  $400$$^{[{3}]}$		& --   & --  \\
031220  & C     &  19	&    2--10 &  
 $<$3$^{[{4}]}$ & --	& -- \\
031203  & C   &  50	&    2--10 &  $4$$^{[{5}]}$	& 0.1055$^{[{6}]}$	& 0.099 \\
030723  & C     &  14	&   0.5--8 &  $<$0.5$^{[{7}]}$	& --	& -- \\
030528  & C     &  12	&    2--10 &  $4.9$$^{[{8}]}$	& --	& -- \\
030329  & N     &  258	&   0.5--2 &  $0.6$$^{[{9}]}$	& 0.1685$^{[{10}]}$   & 0.041 \\
030328  & C     &   0.64	&   0.5--3 &  $190$$^{[{11}]}$	& 1.52$^{[{12}]}$	  & 2434 \\
030227  & N     &   0.81	&  0.2--10 &  $400$$^{[{13}]}$	& 1.6$^{[13]}$	  & 5818 \\
030226  & C     &   1.5	&    2--10 &  $32$$^{[{14}]}$		& 1.986$^{[{15}]}$	& 791 \\
021004  & C     &  52	&    2--10 &  $0.7$$^{[{16}]}$	& 2.33$^{[{17}]}$	& 25.6 \\
020813  & C     &  43	&   0.6--6 &  $1450$$^{[{18}]}$	& 1.255$^{[{19}]}$	& 11571 \\
020427  & C     &  17	&    2--10 &  $19$$^{[{20}]}$		& --	& -- \\
020405  & C     &   1.7	&  0.2--10 &  $1360$$^{[{21}]}$	& 0.691$^{[{22}]}$	& 2490 \\
020322  & N     &   0.86     	&  0.2--10 &  $320$$^{[{23}]}$	& --	& -- \\
020321  & C     &   9.9	&  2--10  &  
$<$4$^{[{24}]}$ & --	& -- \\
020127  & C     &  14.3	&  2--10  &  $26$$^{[{25}]}$& --	& -- \\
011211  & N     &   0.81	&  0.2--10 &  $80$$^{[{26}]}$		& 2.140$^{[{27}]}$	& 2375 \\
%%%%%
011130  & C     &  82	&  2--10  &  
$<$$21$$^{[{28}]}$  & --	& -- \\
011030  & C     &  30	&   2--10   &  $7$ & --	& -- \\
010222  & C     &  8.7	&    2--10 &  $72$$^{[{29}]}$		& 1.477$^{[{30}]}$	& 859 \\
010220  & N     &  0.87	&  0.2--10 &  $33$$^{[{31}]}$		& --	& -- \\
001025A & N     &   910	&  0.3--12 &  $<$$4$$^{[{32}]}$		& --	& -- \\
000926  & C     &  13	&   1.5--8 &  $3.6$$^{[{33}]}$	& 2.0379$^{[{34}]}$	& 94.9 \\
000210  & C     &   0.93 	&    2--10 &  $180$$^{[{35}]}$	& 0.846$^{[{35}]}$	& 542 \\
991216  & C     &   1.6	&    2--10 &  $2300$$^{[{36}]}$	& 1.02$^{[{37}]}$	& 10990 \\
980425  & C     &   1281	&    2--10 &  $13$$^{[{38}]}$	& 0.0085$^{[{39}]}$	& 0.0018\\
\hline
\end{tabular}} 
\smallskip
$^{[{1}]}$  {No bandpass or k-corrections applied;}
$^{[{2}]}$ {\cite{2004GCN..2548....1T};}
$^{[{3}]}$ {\cite{Reeves:2004};}
$^{[{4}]}$ {assuming source \#1 \citep{2004GCN..2523....1G};}
$^{[{5}]}$ {this paper ($\Gamma=1.7$);}
$^{[{6}]}$ {\cite{2004ApJ...611..200P};}
$^{[{7}]}$ {\cite{2003GCN..2347....1B};}
$^{[{8}]}$ {\cite{2003GCN..2279....1B};}
$^{[{9}]}$ {\cite{2004AetA...423..861T};}
$^{[{10}]}$ {\cite{2003Natur.423..847H};}
$^{[{11}]}$ {\cite{2003GCN..2076....1B};}
$^{[{12}]}$ {\cite{2003GCN..1980....1M,2003GCN..1981....1R};}
$^{[{13}]}$ {\cite{2003ApJ...595L..29W};}
$^{[{14}]}$ {\cite{2003GCN..1924....1P};}
$^{[{15}]}$ {\cite{2003GCN..1894....1G};}
$^{[{16}]}$ {\cite{2002GCN..1716....1S};}
$^{[{17}]}$ {\cite{2002AetA...396L..21M,2003ApJ...582L...5M,2003ApJ...588..387S};}
$^{[{18}]}$ {\cite{2002GCN..1504....1V};}
$^{[{19}]}$ {\cite{2003ApJ...584L..47B};}
$^{[{20}]}$ {\cite{2002GCN..1392....1F};}
$^{[{21}]}$ {\cite{2003ApJ...587..128M};}
$^{[{22}]}$ {\cite{2003AetA...404..465M,2003ApJ...589..838P};}
$^{[{23}]}$ {\cite{2002AetA...395L..41W};}
$^{[{24}]}$ {see \cite{2002GCN..1348....1I};}
$^{[{25}]}$ {\cite{2002GCN..1249....1F};}
$^{[{26}]}$ {\cite{2002Natur.416..512R};}
$^{[{27}]}$ {\cite{2002AJ....124..639H};}
$^{[{28}]}$ {no single source found  \citep{2002GCN..1272....1B};}
$^{[{29}]}$ {\cite{2001GCN..1023....1H};}
$^{[{30}]}$ {\cite{2001ApJ...554L.155J,2001AetA...374..382M,2003ApJ...587..135G};}
$^{[{31}]}$ {\cite{2002AetA...393L...1W};}
$^{[{32}]}$ {\cite{Pedersen:2004};}
$^{[{33}]}$ {\cite{2001ApJ...559..123H};}
$^{[{34}]}$ {\cite{2003ApJ...586..128C};}
$^{[{35}]}$ {\cite{2002ApJ...577..680P};}
$^{[{36}]}$ {\cite{2000Sci...290..955P};}
$^{[{37}]}$ {\cite{1999GCN...496....1V,2000Sci...290..955P};}
$^{[{38}]}$ {\cite{2004ApJ...608..872K};}
$^{[{39}]}$ {\cite{1998Natur.395..670G}}.
\end{table}