\begin{table}%t3
\caption {\label{ena}Survival probabilities for the 1~keV/nucleon ENA flight from the heliopause to 1~AU.} 
%\centering
\par
\begin{tabular}{c c c c c c c} 
\hline
\hline
\noalign{\smallskip}
Species  & C & N & O & Mg & Si & S \\
Survival probability($\%$)& 61 & 77& 75& 73& 0.67& 67 \\
\hline 
\end{tabular}
\end{table}