\begin{table}%T7
\small
\caption{Frequencies detected close to the main pulsation $f_0$. Sources 
as in Table~\ref{t3}. }\label{t7} 
%\centerline
{\small
\begin{tabular}{clrrcc}  \hline\hline
Year & Frequency      &   $\Delta V$~~~~~  & {\it S/N} & Source & Notes \\
~    & ~~~(cd$^{-1}$) &     (mmag)~~      & ~   & ~      & ~ \\ \hline
1995 &	    ~25.2213 &	    9.5($\pm$1.3) & 4.8 &    1 &  ~ \\     
~    &       ~       &      ~         &   ~ &    ~ &  ~ \\
1996 &	    ~25.2735 &	   33.8($\pm$1.1) &12.5 &    3 &  ~ \\     
1996 &	    ~25.9377 &	   21.3($\pm$1.1) &	7.9 &    3 &  ~ \\     
1996 &	    ~25.6441 &	   11.8($\pm$1.1) &	4.4 &    3 &  ~ \\     
~    &       ~       &       ~        &   ~ &    ~ &  ~ \\
1999 &	    ~25.2469 &	    7.6($\pm$0.5) &	6.9 &    4 &  ~ \\
1999 &	    ~25.9122 &	    5.1($\pm$0.5) &	4.6 &    4 &  ~ \\
1999 &	    ~25.6653 &	    4.7($\pm$0.5) &	4.3 &    4 &  ~ \\
~    &       ~       &       ~        &   ~ &    ~ &  ~ \\
2000 &      ~25.239  &	    7.9($\pm$1.3) &	5.1 &    5 &  ~ \\
~    &       ~       &       ~        &   ~ &    ~ &  ~ \\
2001 &      ~24.633  &	    9.4($\pm$1.3) &	6.2 &    6 &  a \\
~    &      ~25.928  &	    9.9($\pm$2.6) &	2.6 &    5 &  ~ \\
~    &       ~       &       ~        &   ~ &    ~ &  ~ \\
2003 &      ~23.904  &	   17.3($\pm$1.0) &	4.3 &    2 &  b \\
~    &      ~24.220  &	    7.5($\pm$1.0) &	3.0 &    7 &  c \\ 
\hline
\end{tabular}}
\medskip
Notes: a)~Possible alias of $\sim$25.65~cd$^{-1}$; 
b)~Possible alias of $\sim$25.92~cd$^{-1}$; 
c)~Possible alias of $\sim$25.24~cd$^{-1}$.
\end{table}