\begin{table}%t3 \caption{\label{Results}Spin models.} %\centerline {\small \begin{tabular}{rrrrcccrll} \hline \hline Sidereal & \multicolumn{2}{c}{Pole 1} & \multicolumn{2}{c}{Pole 2} & Observing span & $N_{\rm app}$ & $N_{\rm lc}$ & Method & Reference \\ period (hours) & $\lambda_{\rm p}$ & $\beta_{\rm p}$ & $\lambda_{\rm p}$ & $\beta_{\rm p}$ & (years) & & & & \\ \hline {\bf 160 Una} & & & & & & & & & \\ 11.033176& $125\degr$ & $-33\degr$ & $308\degr$ & $-41\degr$ & 1982--2008 & 7 & 24 & L & Present work\\ $\pm$0.000011& $\pm$$5\degr$ & $\pm$$2\degr$ & $\pm$$5\degr$ & $\pm$$2\degr$ & & & & & \\ \hline {\bf 747 Winchester} & & & & & & & & & \\ 9.402 & $27\degr$ & $+$$50\degr$ & & & 1970--1980 & 4 & 5 & EAM & Micha{\l}owski (\cite{michalowski93})\\ & & & $353\degr$ & $39\degr$ & 1970--1980 & 4 & 5 & EA & De Angelis (\cite{deangelis})\\ 9.414807 & $166\degr$ & $-44\degr$ & $296\degr$ & $-61\degr$ & 1970--2008 & 9 & 44 & L & Present work\\ $\pm$0.000005& $\pm$$ 15\degr$ & $\pm$$ 10\degr$ & $\pm$$ 15\degr$ & $\pm$$ 10\degr$ & & & & &\\ \hline {\bf 849 Ara} & & & & & & & & & \\ $4.116391$ & $17\degr$ & $-10\degr$ & $213\degr$ & $-33\degr$ & 1981--2003 & 1$^*$ & 5 & L (com) & \v{D}urech et~al. (\cite{josef})\\ $4.116391$ & $10\degr$ & $-25\degr$ & $223\degr$ & $-40\degr$ & 1981--2008 & 5 & 20 & L & Present work\\ $\pm$0.000001& $\pm$$ 1\degr$ & $\pm$$ 1\degr$ & $\pm$$ 3\degr$ & $\pm$$ 3\degr$ & & & & & \\ \hline \end{tabular}} \medskip $^*$~1 appartition with 5~dense lightcurves +133~sparse data points. \end{table}