\begin{table}%t1
\caption{Main characteristics of the eight {\it  EPIC} observations of 3EG~J0616$-$3310 (Field ID = 1--4) and 3EG~ J1249$-$8330 (Field ID = 5--8).}\label{observations}
\small%\centering
\par
\begin{tabular}{c|ccccccccc} 
\hline\hline
Field & Rev. & Date & 	RA (J2000)	&	Dec (J2000) & \multicolumn{3}{c}{Exposure Time (ks)} & $N_{\rm H}$ & Detected \\
ID   &      &    (UT)   & $\rm ^h$ $\rm ^m$ $\rm ^s$ 	& $^\circ$ $'$ $''$	 & PN & MOS1 & MOS2 & $(10^{20}$ cm$^{-2})$ & Sources \\ 
\hline
1 & 346 & 2001-10-29T17:04:09 & $06$ $17$ $47.1$ & $-32$ $55$ $13.9$ & 6.8 & 11.4 & 11.5 & 2.7 & 50 \\
2 & 341 & 2001-10-18T23:53:02 & $06$ $17$ $47.1$ & $-33$ $25$ $13.9$ & 6.7 & 12.0 & 12.0 & 2.5 & 37 \\
3 & 346 & 2001-10-29T04:27:17 & $06$ $15$ $24.1$ & $-33$ $25$ $13.9$ & 2.5 & 7.3 & 7.7 & 2.4 & 32 \\
4 & 346 & 2001-10-28T23:26:57 & $06$ $15$ $24.1$ & $-32$ $55$ $13.9$ & 1.3 & 6.3 & 7.7 & 2.5 & 27 \\
5 & 236 & 2001-03-23T12:56:43 & $12$ $57$ $53.1$ & $-83$ $15$ $01.9$ & 7.0 & 11.2 & 11.3 & 10.2 & 38 \\
6 & 236 & 2001-03-23T17:54:20 & $12$ $57$ $53.1$ & $-83$ $45$ $01.9$ & 8.2 & 11.2 & 10.9 & 8.4 & 51 \\
7 & 239 & 2001-03-30T03:50:11 & $12$ $40$ $13.1$ & $-83$ $45$ $01.9$ & 0.8 & 2.9 & 2.4 & 9.4 & 7 \\
8 & 239 & 2001-03-29T22:28:14 & $12$ $40$ $13.1$ & $-83$ $15$ $01.9$ & 8.3 & 12.7 & 12.9 & 11.2 & 52 \\ \hline
\end{tabular}
\end{table}