\begin{table}%t5
   \caption{\label{tab:Comp}Comparison of our polarisation degrees with published measurements, in percent (1-$\sigma$ interval or error).
   For each target and filter, the second line gives the 2-$\sigma$ interval, correcting the published values following \citet{Simmo85}.}
\par
    %\centerline
{\begin{tabular}{lcccc}
    \hline    \hline
    \noalign{\smallskip}
     {Object} & {F} & This paper & ZO05 & M02  \\
    %\noalign{\smallskip}
    \hline
    \noalign{\smallskip}
      Kelu~1~AB      & $I$& 0--0.20 &  $0.80\pm 0.27$ & ... \\  
                                 &   & 0--0.30 & 0.36--1.22 &  ... \\ 
      2MASS J0036 &$R$& 0.02--0.22 & $0.61\pm0.20$ & ... \\  
                                 &     & 0--0.32 & 0.39--0.81  & ...  \\ 
                                 &$I$ & 0.03--0.08$^1$ & $0.05\pm0.06$ & $0.199\pm0.028$   \\ 
                                 &     & 0--0.11$^1$ & 0--0.13 & 0.141--0.253   \\ 
      2MASS J2158 & $I$& 0--0.06 & $1.38\pm 0.35$ & ... \\  
                                 &    & 0--0.23 & 0.80--1.91 & ...  \\
      LHS~102BC       & $I$& 0.246--0.355$^1$ & ... & $0.105\pm0.036$\\
                                    &   & 0.191--0.409$^1$ & ... &0.032--0.171 \\ 
      2MASS J1507 &$I$& 0--0.04  & $1.36\pm 0.30$ & ... \\ 
                                 &   & 0--0.09 & 1.01--1.69 & ...  \\ 
DENIS J2252 & $I$& 0.06--0.18  & $0.62\pm0.16$ & ...  \\ 
                                &     & 0--0.25 & 0.38--0.84 & ...  \\
2MASS J2244 & $I$& 0.16--0.55$^{1,2}$  & $2.45\pm0.47$ & ...  \\ 
                                 &    & 0--0.76 & 1.90--2.98 & ... \\ 
    \noalign{\smallskip}
    \hline
    \noalign{\smallskip}
                           &       & $\lambda_{\rm c}~\pm~{\it FWHM}$ & $\lambda_{\rm c}~\pm~{\it FWHM}$& $\lambda_{\rm c}~\pm~{\it FWHM}$ \\
                           &       & [nm] & [nm] & [nm]  \\
    \hline
    \noalign{\smallskip}
       Filter           &$R$& $657\pm150$ & $641\pm158$ & ...  \\
       Filter           &$I$& $768\pm138$ & $850\pm150$ & $768\pm138$ \\
    \noalign{\smallskip}
    \hline
   \end{tabular}}
  \medskip 
\par
  $^1$  Averaged value; $^2$  PSF-photometry; $^3$ Central wavelength and full-widths at half-maximum of the filter profiles, in nm.
  \end{table}