\begin{table}%t1
\caption{\label{tab:obs}Observations of \hd.}
\centering
\begin{tabular}{ccc}
\hline\hline
No. & JD & Rotation phase\\
\hline
 1 & 2\,453\,250.2191 &  0.321 \\
 2 & 2\,453\,250.3017 &  0.435 \\
 3 & 2\,453\,251.2284 &  0.708 \\
 4 & 2\,453\,251.3359 &  0.855 \\
 5 & 2\,453\,306.1282 &  0.128 \\
 6 & 2\,453\,306.2942 &  0.356 \\
 7 & 2\,453\,308.0681 &  0.793 \\
 8 & 2\,453\,309.0295 &  0.114 \\
 9 & 2\,453\,309.1620 &  0.296 \\
10 & 2\,453\,666.0880 &  0.636 \\
11 & 2\,453\,671.0690 &  0.478 \\
12 & 2\,453\,671.0860 &  0.502 \\
13 & 2\,453\,759.0098 &  0.290 \\
14 & 2\,453\,760.0284 &  0.689 \\
15 & 2\,453\,760.9714 &  0.985 \\
16 & 2\,453\,762.0026 &  0.402 \\
17 & 24\,53\,762.9682 &  0.728 \\
\hline
\end{tabular}
\end{table}