\begin{table}%t5 %\centering \par \caption{\label{stattab}Statistical analysis of RV variations for our target EHB stars.} \small \begin{tabular}{c c c c c} \hline\hline\noalign{\smallskip} ID & $\Delta$(RV)$_{\max}$ & $\frac{\Delta({\rm RV})_{\max}}{\sigma}$ & $p\left(\frac{\Delta({\rm RV})_{\max}}{\sigma}\right)$ &$p\left(\leq\Delta{\rm (RV)}_{\max}\right)$ \\ & (km~s$^{-1}$) & & (\%) & (\%) \\ \hline \multicolumn{5}{c}{NGC~5986}\\ 17~691 & 12.2 & 1.51 & 73.6 & 11.9 \\ 4175 & 26.9 & 3.84 & 0.15 & 28.3 \\ 8131 & 9.1 & 1.52 & 73.6 & 8.3 \\ 11~571 & 20.4 & 2.83 & 4.0 & 21.2 \\ 12~099 & 14.1 & 2.39 & 13.4 & 14.1 \\ \hline \multicolumn{5}{c}{M~80}\\ %\hline 14~327 & 8.1 & 1.40 & 60.4 & 11.9 \\ 14~985* & 12.6 & 2.74 & 3.0 & 19.5 \\ 16~389 & 23.1 & 5.02 & $2.4\times 10^{-6}$ & 35.1 \\ 16~707 & 11.1 & 1.63 & 44.6 & 35.1 \\ 17~737 & 11.8 & 1.93 & 26.7 & 18.2 \\ 19~191 & 11.2 & 2.20 & 14.2 & 17.2 \\ 19~127 & 18.1 & 2.35 & 10.0 & 28.0 \\ 12~304 & 17.9 & 2.45 & 3.5 & 51.0 \\ 12~663 & 16.5 & 2.75 & 1.5 & 48.3 \\ 12~767 & 4.5 & 0.96 & 65.2 & 17.5 \\ 14~022 & 4.8 & 0.98 & 65.2 & 18.5 \\ 12~526 & 12.0 & 1.90 & 14.4 & 38.6 \\ \hline \end{tabular} \end{table}