\begin{table}%t1 \caption{\label{tab1}Relative photometry data.} \small%\centerline { \begin{tabular}{lll} \hline\hline HJD & Relative flux & Uncertainty \\ \hline 2~454~607.3512 & 1.001980 & 0.0015717 \\ 2~454~607.3528 & 1.002020 & 0.0021024 \\ 2~454~607.3536 & 0.999300 & 0.0014341 \\ 2~454~607.3543 & 1.002150 & 0.0031083 \\ 2~454~607.3551 & 0.999920 & 0.0030757 \\ 2~454~607.3559 & 0.998690 & 0.0030854 \\ \hline \end{tabular}} \medskip Note: Full Table~\ref{tab1} is only available electronically at the CDS. The time stamps refer to the Heliocentric Julian Date (HJD) at the end of each exposure. \end{table}