\begin{table}%t4
\caption{\label{table:4}Numerical results for the weighted fits of annual and semi-annual components plus the secular and constant terms for the LLR series.} % title of Table
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\begin{tabular}{c r r} % centered columns (4 columns)
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Terms & $DX$ (mas) & $DY$ (mas) \\ % table heading
\hline % inserts single horizontal line
sin (annual) & $ 0.380\pm 0.135$  & $ 0.204\pm 0.128$ \\
cos (annual) & $ -0.189\pm 0.125$ & $-0.232\pm 0.122$ \\ 
sin (semi-annual)  & $ 0.104 \pm 0.131$   & $ 0.272\pm 0.126$ \\
cos (semi-annual)  & $ 0.128\pm 0.120$ & $-0.168 \pm 0.113$ \\
secular term (mas/cy) & $5.597 \pm 2.093$ & $-0.108 \pm 1.989$ \\
constant term & $0.154 \pm 0.104$ & $-0.183 \pm 0.098$ \\
\hline %inserts single line
\end{tabular}
\end{table}