\begin{table}%T1 
\par
\caption{Basic data of studied stars.}  
\label{tab:overview}  
%\centerline
{
\begin{tabular}{rllcc}  
\hline\hline\noalign{\smallskip}  
\multicolumn{1}{c}{HD} &  
\multicolumn{1}{c}{Other} &  
\multicolumn{1}{c}{Sp.\ Type} &  
\multicolumn{1}{c}{$\left<{\cal B}_z\right>$/ $\left<{\cal B}_s\right>$} &  
\multicolumn{1}{c}{Ref.} \\
\hline\noalign{\smallskip}  
739 & $\theta$ Scl&F4V&\multicolumn{1}{c}{--} & $-$ \\  
965 & BD -00$^{\circ}$21 & A8 Sr& $-$/4.4& 1\\  
24712 & HR~1217& A9 SrEuCr roAp & 1.2/$-$ & 2  \\  
27411 & HR~1353& A3m&\multicolumn{1}{c}{--}&$-$\\  
47103 & BD -20$^{\circ}$1508& A SrEu & $-$/17.5& 1\\   
50169 & BD-01$^{\circ}$1414& A3 SrCrEu & $-$/4.7 & 1\\ 
60435 & CD-57$^{\circ}$1762& A3 SrEu roAp & $-$0.4/$-$& 5 \\ 
75445 & CD-38$^{\circ}$4907& A3 SrEu & $-$/3.0 & 1\\ 
91793 & HR~4153 & N-star &\multicolumn{1}{c}{--}& $-$\\  
93507 & CD-67$^{\circ}$955 &A0 SiCr & $-$/7.2 & 1\\  
101065 & CD-46$^{\circ}$7232& F3 roAp& $-$1.0/$-$& 3 \\ 
116114 & BD-17$^{\circ}$3829& F0 SrCrEu & $-$/6.0 &1\\  
122970 & BD+06$^{\circ}$ 2827&F0 roAp & 0.2/$-$ & 4\\  
122563 & HR~5270 &F8 IV halo star&\multicolumn{1}{c}{--}& $-$\\ 
124897 & HR~5340 &K1.5 III Arcturus &\multicolumn{1}{c}{--}& $-$\\ 
133792 & HR~5623& A0p SrCr & $-$/1.1& 5 \\ 
134214 & BD-13$^\circ$4081  & F2 SrEuCr roAp & $-$/3.1 & 1 \\ 
137909 & $\beta$~CrB & A9 SrEuCr& $-$/5.5&1\\   
137949 & 33~Lib & F0 SrEuCr roAp & $-$/4.7&1\\  
140283 & BD-10$^{\circ}$4149 & sdF3 halo star&\multicolumn{1}{c}{--}&$-$\\ 
146836 & HR~6077& F6 III& $-$ \\ 
176232 & 10~Aql & A6 Sr roAp & $-$/1.4 & 6\\  
187474 & HR~7552 &A0 EuCrSi & $-$/5.0 &1\\  
188041 & HR~7575& A6 SrCrEu & $-$/3.7&1\\  
216018 & BD-12$^{\circ}$6357 &A7 SrCrEu & $-$/5.6 &1\\  
217522 & CD-45$^{\circ}$14901& A5 SrEuCr roAp & $-$0.7/$-$& 3\\  
\hline 
\end{tabular}  }  
\par
\medskip
(1) Mathys et al.\ (\cite{Mathys97}); (2) Leone \& Catanzaro (\cite{Leone04}); 
(3) Hubrig et al.\ (\cite{Hubrig04a}); (4) Hubrig et al.\ (\cite{Hubrig04b}); 
(5) Mathys \& Hubrig, in preparation;  
(6) Leone et al. (\cite{Leone03}).  
\end{table}