\begin{table}%t1 \caption{\label{t:obs}Time of mid-integration of the seven sub-spectra obtained on March 9/10, 2008, phases according to Eq.~(\ref{e:eph}) and radial velocity of the NaI doublet.} %\centerline {\small \begin{tabular}{rccr} \hline\hline Seq. & Time & Phase & Velocity \\ \#&(HJD) & & (\kmps) \\ \hline 1 & 2454536.246827 & 0.77 & $-300$\\ 2 & 2454536.328123 & 0.36 & $ 264$\\ 3 & 2454537.220600 & 0.86 & $-188$\\ 4 & 2454537.239975 & 0.00 & $ 49$\\ 5 & 2454537.259523 & 0.14 & $ 195$\\ 6 & 2454537.284940 & 0.33 & $ 227$\\ 7 & 2454537.299859 & 0.43 & $ 151$\\ \hline \end{tabular}} \medskip The 1$\sigma$ measurement uncertainty is 9~\kmps. \end{table}