\begin{table}
\caption{\label{tabA.4}Photometry of  two images of SDSS J1335+1138 quasar and a reference star.}
%\centering
\small
{
\begin{tabular}{ c c c c c }
\hline\hline
A&B&Ref&Error&JD\\
(mag)&(mag)&(mag)&(mag)&(days)\\
\hline
18.10303 & 19.36676 & $\cdots$ & 0.02000 & 30.724810\\
18.17384 & 19.44561 & $\cdots$ & 0.02000 & 35.773720\\
18.16804 & 19.50764 & 19.81195 & 0.01724 & 39.739070\\
18.13833 & 19.48029 & 19.82797 & 0.01019 & 42.774090\\
18.15813 & 19.43432 & $\cdots$ & 0.02000 & 43.732740\\
18.11639 & 19.33848 & $\cdots$ & 0.02000 & 49.774310\\
18.12854 & 19.50847 & 19.83576 & 0.01397 & 55.622420\\
18.13299 & 19.46182 & $\cdots$ & 0.02000 & 61.534550\\
18.09453 & 19.43073 & $\cdots$ & 0.02000 & 67.730140\\
18.10978 & 19.46115 & 19.81666 & 0.01368 & 100.67228\\
18.10581 & 19.43912 & $\cdots$ & 0.02000 & 106.51100\\
18.10918 & 19.38193 & $\cdots$ & 0.02000 & 110.62587\\
18.09820 & 19.39721 & $\cdots$ & 0.02000 & 114.58660\\
18.11080 & 19.39830 & $\cdots$ & 0.02000 & 116.54903\\
18.13728 & 19.43501 & $\cdots$ & 0.02000 & 120.53586\\
18.09940 & 19.50106 & 19.81047 & 0.01847 & 126.52229\\
18.10319 & 19.39723 & $\cdots$ & 0.02000 & 134.55204\\
18.08687 & 19.40392 & $\cdots$ & 0.02000 & 136.39267\\
18.10141 & 19.44089 & $\cdots$ & 0.02000 & 138.40052\\
18.09454 & 19.43453 & $\cdots$ & 0.02000 & 140.38453\\
18.09550 & 19.47376 & 19.82822 & 0.01024 & 155.41550\\
18.10153 & 19.47555 & 19.83505 & 0.01348 & 157.45223\\
18.07648 & 19.35253 & $\cdots$ & 0.02000 & 164.41317\\
18.08241 & 19.44983 & 19.82496 & 0.01003 & 179.41976\\
18.08667 & 19.44891 & 19.82685 & 0.01797 & 181.40853\\
18.08846 & 19.44335 & 19.84094 & 0.01127 & 183.41002\\
18.06329 & 19.42084 & 19.82081 & 0.01580 & 199.42655\\
18.01744 & 19.39086 & 19.83822 & 0.08079 & 213.41659\\
18.05249 & 19.41707 & 19.74583 & 0.01202 & 214.39304\\
18.04536 & 19.37535 & 19.83268 & 0.02091 & 228.41725\\
18.06943 & 19.32710 & 19.84438 & 0.01603 & 232.38603\\
18.05761 & 19.39882 & 19.83854 & 0.03812 & 234.37637\\
\hline
\end{tabular}}
\end{table}