\begin{table}%t4
\caption{Predicted $PM_I$, $PM_J$, $PM_H$, and $PM_K$ relations for
fundamental pulsators with iron content in the range of
[Fe/H]~= $-$2.6 to $-$0.7 and $P\le$ 8~days.}\label{tab4}
%\centering
\small
\begin{tabular}{lcccc}
\hline \hline
\multicolumn{5}{c}{$M_i=a+b$ log~$P_{\rm F}+c$[Fe/H] $+\;d(l/H_{\rm p}-1.5)$}\\
&&&& \\[-8pt]
\hline
$M_i$   & $a$     & $b$      & $c$ &$d$    \\
\hline
$M_I$ & $-0.26\pm0.19$ & $-2.10\pm0.06$  &  +0.04 $\pm$ 0.01 &$-$0.24\\
$M_J$ & $-0.64\pm0.13$ & $-2.29\pm0.04$  &  +0.04 $\pm$ 0.01 &$-$0.16\\
$M_H$ & $-0.95\pm0.06$ & $-2.34\pm0.02$  &  +0.06 $\pm$ 0.01 &$-$0.08 \\
$M_K$ & $-0.97\pm0.06$ & $-2.38\pm0.02$  &  +0.06 $\pm$ 0.01 &$-$0.06 \\
\hline
\end{tabular}
\end{table}