\begin{table}%T2
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\par
\caption{Radial velocities of HD~315031.}\label{tab2} 
\begin{tabular}{crrrrrrrrr} \hline\hline
HJD & Phase &$RV_A$  &$\epsilon_A$    &$RV_B$  &$\epsilon_B$ &$\Delta RV_A$  &$\Delta RV_B$ &(O--C)$_A$    &(O--C)$_B$       \\
$-$2~450~000 &  km~s$^{-1}$ &  km~s$^{-1}$    &     km~s$^{-1}$ &    km~s$^{-1}$    &   &     km~s$^{-1}$    &       km~s$^{-1}$  &     km~s$^{-1}$    &       km~s$^{-1}$     \\ \hline
204.7183    &0.0857   &66.0   &3.2   &--60.8  &4.9   &57.2   &--69.7  &0.5   &6.4   \\
204.8486    &0.1803   &33.8   &3.6   &--28.4  &6.0   &24.9   &--37.2  &--3.1  &0.4   \\
207.8640    &0.3695   &--34.7  &3.4   &62.1   &5.7   &--43.5  &53.2   &1.5   &--7.2   \\
552.8813    &0.8475   &72.5   &8.6   &--21.0  &9.5   &41.1   &--52.3  &3.2   &--1.4   \\
552.9017    &0.8623   &84.4   &6.1   &--22.2  &11.4  &53.0   &--53.5  &10.2  &3.9   \\
553.8515    &0.5518   &--33.9  &5.8   &114.6  &8.8   &--65.2  &83.2   &--2.7  &--0.7   \\
553.8835    &0.5750   &--25.6  &7.0   &115.9  &9.0   &--57.0  &84.6   &1.8   &5.6   \\
554.8741    &0.2942   &14.1   &4.8   &38.9   &10.8  &--17.2  &7.5    &0.9   &--16.8   \\
554.9081    &0.3189   &2.5    &6.4   &48.9   &9.3   &--28.9  &17.5   &--1.2  &--19.7   \\
555.8641    &0.0129   &97.5   &4.9   &--58.9  &10.5  &66.1   &--90.3  &0.3   &--2.0   \\
555.8888    &0.0309   &101.5  &5.6   &--55.2  &9.3   &70.2   &--86.5  &5.4   &0.4   \\
556.8429    &0.7235   &19.8   &3.8   &39.8   &8.0   &--11.6  &8.4    &--0.6  &--6.3   \\
556.8674    &0.7413   &28.2   &7.2   &31.0   &15.3  &--3.2   &--0.4   &0.4   &--5.2   \\
949.8098    &0.0123   &45.4   &4.5   &--112.9 &10.1  &63.7   &--94.6  &--2.2  &--6.3   \\
949.8523    &0.0432   &46.1   &4.6   &--109.3 &10.3  &64.4   &--91.0  &0.8   &--5.7   \\
949.9010    &0.0785   &40.9   &4.7   &--93.2  &10.8  &59.1   &--74.9  &1.0   &3.1   \\
950.8204    &0.7460   &--16.3  &7.2   &--18.8  &15.3  &2.0    &--0.5   &3.7   &--2.7   \\
955.8797    &0.4190   &--76.7  &5.4   &66.4   &9.0   &--58.4  &84.7   &--0.8  &7.3   \\
1626.9075   &0.5763   &--44.8  &2.5   &83.5   &7.6   &--57.8  &70.5   &0.8   &--8.1   \\
2444.8259   &0.3742   &17.5   &2.6   &124.9  &8.2   &--43.5  &63.9   &3.0   &1.6   \\
2444.8421   &0.3860   &15.9   &2.6   &130.4  &6.7   &--45.1  &69.4   &4.7   &2.6   \\
2445.5722   &0.9160   &118.9  &3.1   &--22.5  &6.8   &57.9   &--83.5  &0.9   &--6.9   \\
2445.6609   &0.9804   &127.6  &2.9   &--35.7  &6.7   &66.6   &--96.7  &1.1   &--8.7   \\
2445.7436   &0.0405   &123.7  &2.9   &--31.7  &7.8   &62.7   &--92.7  &--1.2  &--6.9   \\
2447.6697   &0.4388   &--2.0   &2.9   &139.0  &8.4   &--63.0  &78.0   &--1.8  &--4.1   \\
2447.7916   &0.5273   &--8.0   &2.8   &145.1  &7.9   &--69.0  &84.1   &--4.0  &--3.2   \\
2472.5138   &0.4753   &--30.3  &3.0   &120.7  &7.0   &--64.3  &86.7   &1.0   &--0.8   \\
2474.4757   &0.8996   &87.1   &3.5   &--39.7  &5.2   &53.2   &--73.6  &--0.1  &--2.1   \\
\hline \end{tabular}
\end{table}