\begin{table}%tA.1
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%\centering
\par
\caption{Radial velocity values for HD~2638.\label{rv2638}}
\begin{tabular}{l c c}
\hline\hline
JD-2~400~000.  &  Radial Vel. & Uncertainty \\
         & [km s$^{-1}$]   &  [m s$^{-1}$] \\
\hline
52~943.6177  &  9.64449  &  2.29  \\
53~309.6064  &  9.68763  &  1.77  \\
53~310.6388  &  9.5821  &  1.55  \\
53~310.7615  &  9.57373  &  2.54  \\
53~311.5317  &  9.57449  &  1.24  \\
53~311.7292  &  9.59033  &  1.21  \\
53~312.5217  &  9.68021  &  1.70  \\
53~314.5097  &  9.5623  &  1.17  \\
53~314.7230  &  9.55877  &  1.28  \\
53~315.5254  &  9.64377  &  2.07  \\
53~315.7044  &  9.65785  &  1.05  \\
53~316.6692  &  9.67984  &  1.14  \\
53~320.5142  &  9.64522  &  1.24  \\
53~321.5129  &  9.56389  &  1.01  \\
53~337.6039  &  9.65592  &  1.35  \\
53~338.6067  &  9.55718  &  1.85  \\
53~339.6620  &  9.64302  &  1.91  \\
53~340.6647 &  9.68852  &  1.41  \\
53~341.6293  &  9.58747  &  2.54  \\
53~342.6660  &  9.58888  &  1.70  \\
53~343.6306 &  9.69233  &  2.74  \\
53~344.6234  &  9.64393  &  1.87  \\
53~345.5763  &  9.56528  &  2.02 \\
53~367.5781  &  9.67339  &  1.56  \\
53~370.5615  &  9.6319  &  1.39  \\
53~371.5578 &  9.6984  &  2.07  \\
53~372.5761  &  9.59725  &  1.99  \\
53~377.5276  &  9.63646  &  1.82  \\
\hline
\end{tabular}
\end{table}