\begin{table}%ta1
\par
\caption{\label{tab:smartsref}Comparison stars for the SMARTS photometry.}
\small%\centering
\begin{tabular}{lrrrrll}
\hline\hline\noalign{\smallskip}
\makebox[50mm][c]{Comparison} & \multicolumn{1}{c}{$B$}  & \multicolumn{1}{c}{$V$}  & \multicolumn{1}{c}{$R$}  & \multicolumn{1}{c}{$I$} & \multicolumn{1}{c}{$\delta V$} & \multicolumn{1}{c}{$\delta I$}\\ 
\hline 
IV Ori       & 16.19~$\pm$~0.35 & 14.94~$\pm$~0.26& 13.97~$\pm$~0.22& 13.19~$\pm$~0.13 &  &   \\
CSV 6218     & 17.40~$\pm$~0.13 & 15.90~$\pm$~0.13& 14.74~$\pm$~0.13& 13.68~$\pm$~0.15& 0.20 &  0.36\\
V759 Ori     & 16.81~$\pm$~0.12 & 15.44~$\pm$~0.09& 14.32~$\pm$~0.10& 13.14~$\pm$~0.13& 0.10 & 0.24\\
NGC 1977 311 & 14.32~$\pm$~0.11 & 13.24~$\pm$~0.09& 12.46~$\pm$~0.09& 11.73~$\pm$~0.12&   &  \\
V1175 Ori    & 16.59~$\pm$~0.10 & 15.19~$\pm$~0.07& 14.19~$\pm$~0.09& 13.26~$\pm$~0.12& 0.08 & 0.14\\
JW 94        & 20.82~$\pm$~0.35 & 19.10~$\pm$~0.17& 17.37~$\pm$~0.10& 15.45~$\pm$~0.13&0.10 & 0.29 \\
JW 100       & 20.25~$\pm$~0.32& 18.48~$\pm$~0.15& 17.09~$\pm$~0.10&  15.44~$\pm$~0.12& 0.03 & 0.23\\
Par 1606     & 17.18~$\pm$~0.10 & 15.61~$\pm$~0.07& 14.38~$\pm$~0.08& 13.22~$\pm$~0.12& 0.03 & 0.12\\
CXORRS J053447.9-053544&  22.00~$\pm$~0.99&  19.79~$\pm$~0.32& 17.76~$\pm$~0.13&  15.79~$\pm$~0.12& 0.67 & 0.23\\
NSV2246      & 11.32~$\pm$~0.26 & 10.30~$\pm$~0.17&  9.78~$\pm$~0.16&  9.25~$\pm$~0.13& 0.08 & 0.06\\
JW 33        & 18.75~$\pm$~0.32 & 17.30~$\pm$~0.10& 16.16~$\pm$~0.09& 14.84~$\pm$~0.12& --0.03 & 0.15\\
\hline\end{tabular} 
\tablefoot{$\delta V$ and $\delta I$ are the difference between these $V$, $I$
determinations and those published by \citet{hillenbrand97}.}
\end{table}