\documentstyle[]{l-aa}
\begin{document}

\begin{table}
\caption{Radial velocities of HD 59435 measured with CORAVEL}
\begin{center}
\begin{tabular}{lrl|lrl} \hline
\multicolumn{3}{c|}{Primary (cooler) comp.}&
\multicolumn{3}{c}{Secondary (hotter) comp.} \\ 
\hline \multicolumn{1}{c}{HJD}&\multicolumn{1}{c}{$
V_{\mathrm r}$}& \multicolumn{1}{c|}{$\sigma(V_{\mathrm r})$}
&\multicolumn{1}{c}{HJD}&\multicolumn{1}{c}{$V_{\mathrm r}$} &
\multicolumn{1}{c}{$\sigma(V_{\mathrm r})$} \\
\multicolumn{1}{c}{$\null-2440000$} 
&\multicolumn{2}{c|}{${\mathrm (km\,s^{-1})}$}
&\multicolumn{1}{c}{$\null-2440000$}
&\multicolumn{2}{c}{${\mathrm (km\,s^{-1})}$}
\\ \hline 6449.4653 & 23.25 & 0.59& 6449.4653 & 58.86 & 0.58 \\
6449.4759 & 24.08 & 0.52& 6449.4759 & 57.80 & 0.55 \\ 6451.3961 &
23.47 & 0.52& 6451.3961 & 58.68 & 0.52 \\ 6456.5042 & 24.04 & 0.44&
6456.5042 & 59.00 & 0.44 \\ 6767.6393 & 32.43 & 0.63& 6767.6393 &
50.23 & 0.63 \\ 6768.5749 & 33.02 & 0.59& 6768.5749 & 50.95 & 0.62 \\
6776.5363 & 33.24 & 0.58& 6776.5363 & 49.31 & 0.58 \\ 6869.3733 &
35.23 & 0.48& 6869.3733 & 45.78 & 0.46 \\ 6870.3359 & 34.95 & 0.60&
6870.3359 & 45.28 & 0.56 \\ 6871.3963 & 34.04 & 0.62& 6871.3963 &
45.16 & 0.57 \\ 6872.3056 & 34.98 & 0.49& 6872.3056 & 45.09 & 0.47 \\
6873.3050 & 35.04 & 0.56& 6873.3050 & 44.84 & 0.53 \\ 6874.3786 &
35.43 & 0.57& 6874.3786 & 45.62 & 0.54 \\ 6879.3281 & 35.26 & 0.67&
6879.3281 & 45.14 & 0.62 \\ 6886.3136 & 34.61 & 0.61& 6886.3136 &
45.66 & 0.57 \\ 7118.6498 & 47.77 & 0.56& 7118.6498 & 33.53 & 0.55 \\
7140.6462 & 47.83 & 0.82& 7140.6462 & 32.81 & 0.74 \\ 7145.5712 &
47.92 & 0.54& 7145.5712 & 31.96 & 0.50 \\ 7147.5726 & 48.86 & 0.57&
7147.5726 & 32.98 & 0.53 \\ 7148.6130 & 48.19 & 0.58& 7148.6130 &
31.79 & 0.56 \\ 7204.4987 & 51.22 & 0.52& 7204.4987 & 30.34 & 0.52 \\
7206.4606 & 49.90 & 0.58& 7206.4606 & 29.69 & 0.55 \\ 7239.4108 &
50.53 & 0.66& 7239.4108 & 27.13 & 0.56 \\ 7265.3090 & 52.67 & 0.72&
7265.3090 & 26.47 & 0.64 \\ 7492.6566 & 57.50 & 0.56& 7492.6566 &
23.00 & 0.52 \\ 7506.6040 & 54.72 & 0.68& 7506.6077 & 24.62 & 0.54 \\
7555.4618 & 52.99 & 0.59& 7555.4618 & 27.16 & 0.55 \\ 7558.4389 &
52.07 & 0.68& 7558.4389 & 27.94 & 0.60 \\ 7567.4299 & 51.07 & 0.53&
7567.4299 & 28.91 & 0.50 \\ 7623.3215 & 44.64 & 1.12& 7623.3215 &
36.08 & 1.00 \\ 7914.4692 & 23.35 & 0.53& 7914.4692 & 58.24 & 0.53 \\
7946.3915 & 23.55 & 0.55& 7946.3915 & 57.54 & 0.54 \\ 7961.3502 &
24.05 & 0.56& 7961.3502 & 57.35 & 0.53 \\ 8009.3273 & 26.94 & 0.80&
8009.3273 & 55.32 & 0.74 \\ 8207.6776 & 32.50 & 0.54& 8207.6776 &
47.27 & 0.51 \\ 8299.4140 & 36.68 & 0.68& 8299.4140 & 43.56 & 0.63 \\
8332.3594 & 37.89 & 0.73& 8332.3594 & 42.24 & 0.67 \\ 8571.6770 &
49.46 & 0.64& 8571.6770 & 30.21 & 0.55 \\ 8583.6298 & 49.28 & 0.50&
8583.6298 & 30.03 & 0.48 \\ 8586.6819 & 50.10 & 0.45& 8586.6819 &
29.86 & 0.44 \\ 8598.6251 & 50.27 & 0.67& 8598.6251 & 28.89 & 0.53 \\
8652.4147 & 52.17 & 0.60& 8652.4147 & 26.89 & 0.54 \\ 8694.3998 &
54.07 & 0.50& 8694.3998 & 25.15 & 0.45 \\ 8695.3603 & 53.94 & 0.51&
8695.3603 & 25.37 & 0.47 \\ 8697.3793 & 54.42 & 0.54& 8697.3793 &
25.43 & 0.50 \\ 8698.3959 & 54.29 & 0.49& 8698.3959 & 25.13 & 0.46 \\
8699.3885 & 53.72 & 0.50& 8699.3885 & 24.94 & 0.47 \\ 8707.3988 &
53.98 & 0.71& 8707.3988 & 25.43 & 0.57 \\ 9370.5588 & 23.43 & 0.61&
9370.5588 & 57.23 & 0.57 \\ 9424.3935 & 26.31 & 0.71& 9424.3935 &
57.02 & 0.90 \\ \hline
\end{tabular}
\end{center}
\end{table}

\setcounter{table}{1}
\begin{table}
\caption{Radial velocities of HD 59435 measured on the CES spectra}
\begin{center}
\begin{tabular}{lrl|lrl} \hline
\multicolumn{3}{c|}{Primary (cooler) comp.}&
\multicolumn{3}{c}{Secondary (hotter) comp.} \\ 
\hline \multicolumn{1}{c}{HJD}&\multicolumn{1}{c}{$V_{\mathrm
r}$}& \multicolumn{1}{c|}{$\sigma(V_{\mathrm r})$}
&\multicolumn{1}{c}{HJD}&\multicolumn{1}{c}{$V_{\mathrm r}$} &
\multicolumn{1}{c}{$\sigma(V_{\mathrm r})$} \\
\multicolumn{1}{c}{$-2440000$} &\multicolumn{2}{c|}{${\mathrm (km\,s^{-1})}$}
&\multicolumn{1}{c}{$-2440000$}&\multicolumn{2}{c}{${\mathrm (km\,s^{-1})}$}
\\ \hline 8910.837 & 55.75 & 0.43& 8910.837 & 24.44 & 0.75 \\ 8963.745
& 51.14 & 0.25& 8963.745 & 29.12 & 0.31 \\ 8964.692 & 51.19 & 0.34&
8964.692 & 29.28 & 0.25 \\ 8990.602 & 47.67 & 0.28& 8990.602 & 32.09 &
0.48 \\ 9017.566 & 43.85 & 0.42& 9017.566 & 34.94 & 1.0 \\ 9078.549 &
35.95 & 0.35& 9078.549 & 46.52 & 0.88 \\ 9100.482 & 32.92 & 0.31&
9100.482 & 48.98 & 0.51 \\ 9130.470 & 28.72 & 0.43& 9130.470 & 52.29 &
0.32 \\ 9326.803 & 24.07 & 0.44& 9326.803 & 59.78 & 1.33 \\ 9397.633 &
25.20 & 0.30& 9397.633 & 55.61 & 0.45 \\ 9418.638 & 26.53 & 0.24&
9418.638 & 55.31 & 0.27 \\ 9436.588 & 27.13 & 0.35& 9436.588 & 55.34 &
0.57 \\ 9456.490 & 27.88 & 0.58& 9456.490 & 53.94 & 0.57 \\ 9494.479 &
29.14 & 0.55& 9494.479 & 52.50 & 0.77 \\ 9709.691 & 39.72 & 0.87&
9709.691 & 42.13 & 0.49 \\ 9752.605 & 40.88 & 0.42& 9752.605 & 40.31 &
0.8 \\ 9800.583 & 41.74 & 0.87& 9800.583 & 37.38 & 0.9 \\ 9828.536 &
43.67 & 0.50& 9828.536 & 36.41 & 1.0 \\ 9853.468 & 44.85 & 0.33&
9852.468 & 35.46 & 0.45 \\ \hline
\end{tabular}
\end{center}
\end{table}
\end{document}