\begin{table}%T6
%\centering
\par
\caption{\label{tab:adjustments_residus}Specific adjustment of the~$\Delta H$ residual series ($\Delta H_{\mbox{\scriptsize ~res.}}$), from~1985 to~1998. The secular trend is considered as in Eq.~(\ref{eq:Delta_H_res}) -- Units are in~$10^{-10}$~rad.}
\begin{tabular}{lrr}
\hline
\hline
\noalign{\smallskip}
 Period       & \multicolumn{2}{c}{$\Delta H_{\mbox{\scriptsize ~res.}}$}  \\
(in years)    &    sin    &   cos       \\
\noalign{\smallskip}
\hline
\noalign{\smallskip}
1             & ~$2.57$   & ~$-3.84$    \\    
\noalign{\smallskip}
0.5           &~$-0.50$   & ~$ 3.80$    \\    
\hline
\end{tabular}
\end{table}