\begin{table}%t1
\caption{Observations of EK Eri (for details, see Sect.~2.1).}\label{tab1}          
\small%\centerline
 {
\begin{tabular}{c c c c c c c c c c c}     
\hline\hline               
Date      &Rot. & Exp.& $S/N$&Ca~{\sc ii} K & Ca~{\sc ii} K &Ca~{\sc ii} &H$\alpha$& $B_{\rm l}$& $\sigma$& $V_{\rm rad}$  \\
          &Phase& s&    &V comp.& R comp.&854.2&         & G    &  G      & km s$^{-1}$   \\
\hline                        
20 Sep. 07 & 0.00& 3600& 816& 0.55  & 0.53   &0.319& 0.226   &--98.6 & 1.0     & 7.118  \\
12 Nov. 07 & 0.17& 2280& 900& 0.49  & 0.46   &0.291& 0.233   &--21.1 & 0.7     & 7.047  \\
13 Nov. 07 & 0.17& 2280& 731& 0.50  & 0.47   &0.297& 0.233   &--21.4 & 0.9     & 7.053  \\
19 Jan. 08 & 0.39& 2400& 545& 0.47  & 0.43   &0.303& 0.230   &--28.9 & 1.2     & 7.096  \\
20 Jan. 08 & 0.39& 2400& 720& 0.47  & 0.43   &0.295& 0.227   &--31.6 & 0.9     & 7.110  \\
06 Feb. 08 & 0.45& 2400& 779& 0.47  & 0.44   &0.302& 0.234   &--45.6 & 0.8     & 7.111  \\
03 Apr. 08 & 0.63& 1200& 675& 0.50  & 0.48   &0.339& 0.250   &--62.7 & 1.2     & 7.145  \\
\hline                                 
\end{tabular}}
\medskip
Notes: Dates, rotational phases, exposure times, maximum $S/N$ in Stokes~$I$, $I/I$(395) values for Ca~{\sc ii}~K, $R_{\rm c}$~values for Ca~{\sc ii}~854.2 and H$\alpha$, $B_{\rm l}$~values and their uncertainties in~G for the magnetic field and radial velocity.
\end{table}