\begin{table}%t1
\par
\caption{\label{tbl1}\ros\  All-Sky survey  X-ray observations of
\obj.} 
%\centering
\par
\begin{tabular}{rccrccc}
\hline\hline
OBI& JD~~~        & Expo & cts & Back-& Source& Credible\\
     & +2~448~266& ~(s)  & (s+b) & ground &  & regions  \\
\hline
 1 & 0.05456019 &  ~9.00   &  1    & 0.613   & 0.054  & 0.000$-$0.269\\
 2 & 0.12127315 &  13.00   &  0    & 0.885   & 0.000  & 0.000$-$0.110\\
 3 & 0.18798611 &  15.00   &  0    & 1.021   & 0.000  & 0.000$-$0.096\\
 4 & 0.92155093 &  27.00   &  0    & 1.838   & 0.000  & 0.000$-$0.053\\
 5 & 0.98826389 &  27.00   & 22    & 1.838   & 0.933  &   0.731$-$1.167\\
 6 & 1.05497685 &  27.00   & 10    & 1.838   & 0.378  &   0.246$-$0.542\\
 7 & 1.12168981 &  28.00   &  1    & 1.906   & 0.000  & 0.000$-$0.071\\
 8 & 1.18840278 &  28.00   &  5    & 1.906   & 0.138  & 0.053$-$0.253\\
 9 & 1.45490741 &  28.00   &  1    & 1.906   & 0.000  & 0.000$-$0.071\\
10 & 1.85520833 &  25.00   &  3    & 1.702   & 0.065  &   0.000$-$0.157\\
11 & 1.92192130 &  23.00   &  1    & 1.566   & 0.000  &   0.000$-$0.089\\
12 & 1.98863426 &  23.00   &  0    & 1.566   & 0.000  &   0.000$-$0.062\\
13 & 2.05534722 &  22.00   &  0    & 1.498   & 0.000  &   0.000$-$0.065\\
14 & 2.12206019 &  20.00   &  0    & 1.362   & 0.000  &   0.000$-$0.072\\
15 & 2.18877315 &  19.00   &  2    & 1.294   & 0.046  &   0.000$-$0.163\\
16 & 2.25520833 &  11.00   &  2    & 0.749   & 0.142  &   0.018$-$0.339\\
17 & 2.45530093 &  11.00   &  1    & 0.749   & 0.029  &   0.000$-$0.213\\
\hline
\end{tabular}
\end{table}