\begin{table}%t4
\caption{Times of minima of \object{V861~Herculis}. Sources: 1~Csizmadia et~al. (\cite{Csi02}), 2~Borkovits et~al. (\cite{Bor03}). $E_{1,2}$ represent the cycle number of the different ephemerides (see Eqs.~(7) and~(8)).}\label{minimum}
%\centering
\par
\begin{tabular}{cccccccc}
\hline
\hline
$E_1$ & $E_2$ & HJD & Error & Type & $\rm (O{-}C)_1$ & $\rm (O{-}C)_2$ & Source \\
\hline
23231   & 0      & 51~690.5276 & 0.0002 & I  & +0.0517 & 0.0000  & 1 \\
23245.5 & 14.5   & 51~695.5268 & 0.0006 & II & +0.0540 & -0.0007 & 1 \\
26141.5 & 2909   & 52~693.6196 & 0.0004 & I  & +0.0919 & -0.0010 & 2 \\
26150   & 2917.5 & 52~696.5519 & 0.0004 & II & +0.0949 & +0.0003 & 2 \\
\hline
\end{tabular}
\end{table}