\begin{table}%tb5 \caption{\label{hvarind}Individual differential \ubv\ observations of \oca secured at Hvar since 1982 relative to HR~189. We re-publish also the already published part of observations because the all-sky \ubv\ values for the comparison star HR~193 have been improved since then. All times of observations are in HJD-2~400~000.} %%\centering \small \begin{tabular}{ccccrrcrccrccccc} \hline\hline\noalign{\smallskip} Time of obs. & $V$ & $B$ & $U$ & $B-V$ & $U-B$ & $X$ & d$X$ \\ \hline\noalign{\smallskip} \multicolumn{8}{l}{Observations by \cite{hvar5, hvar5d}} \\ 45~212.5601& 4.511& 4.470& 3.870& $-.041$ & $-.600$ & 1.006& .001 \\ 45~212.5657& 4.522& 4.476& 3.862& $-.046$ & $-.614$ & 1.008& .001 \\ 45~212.5692& 4.511& 4.468& 3.870& $-.043$ & $-.598$ & 1.009& .000 \\ 45~216.5326& 4.508& 4.463& 3.863& $-.045$ & $-.600$ & 1.004& .001 \\ 45~216.5389& 4.509& 4.465& 3.867& $-.044$ & $-.598$ & 1.004& .001 \\ 45~216.5437& 4.518& 4.465& 3.861& $-.053$ & $-.604$ & 1.005& .001 \\ 45~217.5299& 4.500& 4.468& 3.863& $-.032$ & $-.605$ & 1.004& .001 \\ 45~217.5354& 4.511& 4.471& 3.872& $-.040$ & $-.599$ & 1.004& .001 \\ 45~217.5403& 4.529& 4.477& 3.861& $-.052$ & $-.616$ & 1.004& .001 \\ 45~219.5099& 4.516& 4.481& 3.878& $-.035$ & $-.603$ & 1.007& .001 \\ 45~219.5154& 4.531& 4.482& 3.874& $-.049$ & $-.608$ & 1.005& .001 \\ 45~219.5210& 4.515& 4.468& 3.861& $-.047$ & $-.607$ & 1.004& .001 \\ 45~224.5282& 4.502& 4.464& 3.864& $-.038$ & $-.600$ & 1.006& .001 \\ 45~224.5331& 4.514& 4.467& 3.861& $-.047$ & $-.606$ & 1.007& .001 \\ 45~224.5379& 4.513& 4.470& 3.861& $-.043$ & $-.609$ & 1.009& .000 \\ 45~225.5956& 4.507& 4.469& 3.864& $-.038$ & $-.605$ & 1.076& .000 \\ 45~225.5998& 4.508& 4.474& 3.868& $-.034$ & $-.606$ & 1.084& .000 \\ 45~225.6032& 4.520& 4.467& 3.869& $-.053$ & $-.598$ & 1.091& .000 \\ 45~226.5936& 4.527& 4.470& 3.874& $-.057$ & $-.596$ & 1.077& .000 \\ 45~226.5977& 4.512& 4.484& 3.891& $-.028$ & $-.593$ & 1.085& .000 \\ 45~226.6019& 4.520& 4.476& 3.880& $-.044$ & $-.596$ & 1.093& .000 \\ 45~227.5846& 4.517& 4.476& 3.864& $-.041$ & $-.612$ & 1.067& .000 \\ 45~227.5888& 4.517& 4.501& 3.897& $-.016$ & $-.604$ & 1.074& .000 \\ 45~227.5908& 4.509& 4.471& 3.869& $-.038$ & $-.602$ & 1.077& .000 \\ 45~231.5834& 4.517& 4.471& 3.864& $-.046$ & $-.607$ & 1.083& .000 \\ 45~231.5869& 4.524& 4.473& 3.871& $-.051$ & $-.602$ & 1.090& .000 \\ 45~231.5938& 4.509& 4.483& 3.869& $-.026$ & $-.614$ & 1.105&-.001 \\ 45~232.5577& 4.527& 4.488& 3.885& $-.039$ & $-.603$ & 1.046& .000 \\ 45~232.5626& 4.524& 4.472& 3.880& $-.052$ & $-.592$ & 1.053& .000 \\ 45~239.5115& 4.494& 4.458& 3.853& $-.036$ & $-.605$ & 1.018& .000 \\ 45~239.5157& 4.497& 4.451& 3.852& $-.046$ & $-.599$ & 1.021& .000 \\ 45~239.5191& 4.498& 4.437& 3.839& $-.061$ & $-.598$ & 1.024& .000 \\ 45~269.4072& 4.474& 4.424& 3.850& $-.050$ & $-.574$ & 1.006& .001 \\ 45~269.4134& 4.478& 4.425& 3.842& $-.053$ & $-.583$ & 1.008& .000 \\ 45~269.4190& 4.468& 4.429& 3.855& $-.039$ & $-.574$ & 1.011& .000 \\ 45~307.3631& 4.422& 4.404& 3.821& $-.018$ & $-.583$ & 1.062& .000 \\ 45~307.3687& 4.418& 4.408& 3.822& $-.010$ & $-.586$ & 1.071& .000 \\ 45~307.3708& 4.423& 4.404& 3.824& $-.019$ & $-.580$ & 1.074& .000 \\ 45~308.2658& 4.380& 4.361& 3.781& $-.019$ & $-.580$ & 1.007& .001 \\ 45~308.2686& 4.379& 4.367& 3.793& $-.012$ & $-.574$ & 1.006& .001 \\ 45~309.3783& 4.307& 4.297& 3.691& $-.010$ & $-.606$ & 1.100&$-.001$ \\ 45~309.3825& 4.318& 4.299& 3.695& $-.019$ & $-.604$ & 1.109&$-.001$ \\ 45~309.3845& 4.326& 4.292& 3.695& $-.034$ & $-.597$ & 1.113&$-.001$ \\ 45~323.2754& 4.463& 4.418& 3.837& $-.045$ & $-.581$ & 1.014& .000 \\ 45~323.2796& 4.438& 4.423& 3.839& $-.015$ & $-.584$ & 1.017& .000 \\ 45~323.2816& 4.443& 4.418& 3.841& $-.025$ & $-.577$ & 1.019& .000 \\ 45~331.2707& 4.451& 4.418& 3.837& $-.033$ & $-.581$ & 1.029& .000 \\ 45~331.2756& 4.442& 4.418& 3.834& $-.024$ & $-.584$ & 1.034& .000 \\ 45~331.2783& 4.451& 4.412& 3.834& $-.039$ & $-.578$ & 1.037& .000 \\ 45~336.2599& 4.461& 4.437& 3.856& $-.024$ & $-.581$ & 1.032& .000 \\ 45~336.2634& 4.469& 4.439& 3.850& $-.030$ & $-.589$ & 1.036& .000 \\ 45~336.2662& 4.463& 4.433& 3.845& $-.030$ & $-.588$ & 1.039& .000 \\ 45~605.5567& 4.464& 4.415& 3.842& $-.049$ & $-.573$ & 1.078& .000 \\ 45~605.5608& 4.480& 4.422& 3.840& $-.058$ & $-.582$ & 1.085& .000 \\ 45~605.5643& 4.466& 4.428& 3.851& $-.038$ & $-.577$ & 1.092& .000 \\ 45~646.3446& 4.424& 4.384& 3.784& $-.040$ & $-.600$ & 1.006& .001 \\ 45~646.3480& 4.424& 4.388& 3.790& $-.036$ & $-.598$ & 1.005& .001 \\ 45~646.3522& 4.432& 4.393& 3.782& $-.039$ & $-.611$ & 1.004& .001 \\ 45~646.5203& 4.406& 4.373& 3.785& $-.033$ & $-.588$ & 1.300&$-.003$ \\ 45~646.5237& 4.394& 4.377& 3.777& $-.017$ & $-.600$ & 1.315&$-.003$ \\ 45~646.5258& 4.396& 4.373& 3.780& $-.023$ & $-.593$ & 1.325&$-.003$ \\ 45~647.4758& 4.456& 4.411& 3.825& $-.045$ & $-.586$ & 1.153&$-.001$ \\ 45~647.4793& 4.459& 4.419& 3.825& $-.040$ & $-.594$ & 1.163&$-.001$ \\ \hline \end{tabular} %\end{table}