\documentstyle{l-aa}
\begin{document}

\setcounter{table}{1}
\begin{table*}[hbtp]
\begin{center}
\caption{Photometric Results}
\footnotesize
\label{table2}
\begin{tabular}{lcccccccccc} \hline \hline
UT Date & JD & $\rm {B}$ & $\sigma_\mathrm{B}$ & $\rm {V}$ & $\sigma_\mathrm{V}$ & $\rm {R}_\mathrm{c}$ &
$\sigma_\mathrm{R}$ & $\rm {I}_\mathrm{c}$ & $\sigma_\mathrm{I}$ & Rem\\ & 2400000+\\ \hline
1997May14&50583.433&16.64&0.03& & &15.33&0.01& & &Abast\\
1997May15&50584.494&16.76&0.03& & &15.31&0.01& & &Abast\\
1997May17&50585.500&16.66&0.03& & &15.36&0.01& & &Abast\\
1997Jun02&50602.470&16.69&0.03& & &15.36&0.02& & &Abast\\
1997Jul06&50636.442&16.71&0.03&15.68&0.01&15.41&0.01& & &Abast\\
1997Aug04&50665.333&16.69&0.03&15.72&0.01&15.37&0.01& & &Abast\\
1997Aug09&50670.446&16.72&0.03&15.69&0.01&15.36&0.01& & &Abast\\
1997Aug12&50673.351&16.68&0.02&15.70&0.01&15.38&0.01& & &Abast\\
1997Aug13&50674.383&16.77&0.03&15.71&0.01&15.37&0.01& & &Abast\\
1997Aug24&50685.393&16.66&0.03&15.68&0.01&15.37&0.01& & &Abast\\
1997Aug30&50691.370&16.73&0.03&15.70&0.02& & & & &Abast\\
1997Aug31&50692.360&16.63&0.03&15.66&0.01&15.36&0.01& & &Abast\\
1997Nov30&50783.229&16.46&0.03&15.63&0.03&15.25&0.03& & &SAO\\
1997Dec01&50784.229&16.37&0.06&15.57&0.02&15.22&0.04& & &SAO\\
1997Dec05&50788.229& & & & &15.29&0.04& & &SAO\\
1997Dec08&50791.229&16.42&0.05&15.65&0.02&15.28&0.03& & &SAO\\
1998Apr02&50905.583&16.04&0.03&15.28&0.04&15.01&0.02& & &SAO\\
1998May01&50934.528&15.90&0.03&15.16&0.03&14.81&0.02& & &SAO\\
1998May18&50952.465&15.97&0.07&15.24&0.02&14.85&0.03& & &SAO\\
1998May25&50959.479&16.10&0.03&15.41&0.03&14.99&0.03& & &SAO\\
1998Jun21&50986.486&15.99&0.04&15.34&0.05&14.98&0.05& & &SAO\\
1998Jun29&50994.427&16.02&0.02&15.34&0.03&14.90&0.06& & &SAO\\
1998Jul06&51001.438&16.16&0.02&15.46&0.03&15.04&0.03& & &SAO\\
1998Jul07&51002.486&16.11&0.04&15.39&0.03&15.03&0.03& & &SAO\\
1998Jul08&51003.424&16.15&0.06&15.41&0.05&15.03&0.03& & &SAO\\
1998Jul11&51006.472&16.20&0.03&15.53&0.02&14.93&0.02& & &SAO\\
1998Jul14&51009.333& & &15.51&0.02& & & & &SAI\\
1998Jul25&51020.418&16.32&0.03&15.47&0.01&15.11&0.01&14.51&0.02&Abast\\
1998Aug02&51028.432& & &15.62&0.02&15.00&0.02& & &SAI\\
1998Aug03&51029.481& & & & &15.05&0.02&14.52&0.02&SAI\\
1998Aug05&51031.417&16.30&0.03&15.58&0.03&15.01&0.03& & &SAO\\
1998Aug06&51032.417&16.11&0.04&15.43&0.03& & & & &SAO\\
1998Aug15&51041.368&16.31&0.03&15.42&0.018&15.10&0.01&14.53&0.01&Abast\\
1998Aug19&51045.444&16.22&0.04&15.46&0.02&15.02&0.03& & &SAO\\
1998Aug25&51051.435&16.27&0.03&15.46&0.01&15.08&0.01&14.50&0.01&Abast\\
1998Aug29&51055.389&16.33&0.03&15.43&0.01&15.13&0.01&14.47&0.01&Abast\\
1998Sep10&51067.411& & &15.48&0.03&15.00&0.02&14.56&0.06&SAI\\
1998Sep11&51068.261& & &15.36&0.02&15.03&0.02&14.44&0.04&SAI\\
1998Sep11&51068.386&16.39&0.03&15.50&0.01&15.16&0.01&14.53&0.01&Abast\\
1998Sep12&51069.295& & &15.36&0.02&15.02&0.02&14.57&0.07&SAI\\
1998Sep14&51071.338&16.32&0.02&15.460&0.01&15.14&0.01&14.51&0.01&Abast\\
1998Sep16&51073.375&16.24&0.03&15.46&0.03&14.98&0.03& & &SAO\\
1998Sep17&51074.350&16.33&0.03&15.47&0.01&15.16&0.01&14.52&0.01&Abast\\
1998Sep19&51076.314&16.25&0.04&15.48&0.01&15.13&0.01&14.53&0.01&Abast\\
1998Sep29&51086.351&16.34&0.02&15.48&0.05&15.10&0.03& & &SAO\\
1998Oct02&51089.434&16.29&0.04&15.55&0.04&15.11&0.05& & &SAO\\
1998Oct14&51101.280&16.48&0.02&15.49&0.01&15.19&0.01&14.56&0.01&Abast\\
1998Oct19&51106.263&16.43&0.02&15.51&0.01&15.22&0.01&14.56&0.01&Abast\\
1998Oct20&51107.292&16.29&0.03&15.54&0.02&15.11&0.02& & &SAO\\
1998Oct20&51107.361& & &15.40&0.02&15.14&0.03& & &SAI\\
1998Nov21&51139.208&16.52&0.05&15.66&0.02&15.24&0.03& & &SAO\\
1998Nov23&51141.200&16.43&0.02&15.52&0.01&15.22&0.01&14.58&0.01&Abast\\
1998Nov23&51141.208&16.38&0.05&15.61&0.03&15.17&0.03& & &SAO\\
1998Nov24&51142.208&16.41&0.03&15.61&0.04&15.17&0.02& & &SAO\\
1998Dec14&51162.177&16.37&0.02&15.50&0.01&15.23&0.01&14.58&0.01&Abast\\\hline
\end{tabular}
\end{center}
\end{table*}

\begin{table*}[hbtp]
\begin{center}
\footnotesize
{Table 2. Continued.}
\vspace{0.2cm}

\begin{tabular}{lcccccccccc} \hline \hline
UT Date & JD & $\rm {B}$ & $\sigma_\mathrm{B}$ & $\rm {V}$ & $\sigma_\mathrm{V}$ & $\rm {R}_\mathrm{c}$ &
$\sigma_\mathrm{R}$ & $\rm {I}_\mathrm{c}$ & $\sigma_\mathrm{I}$ & Rem\\ & 2400000+\\ \hline
1999Jan19&51198.208&16.37&0.03&15.60&0.02&15.11&0.02& & &SAO\\
1999Jan09&51188.177& & & & &15.24&0.04& & &SAO\\
1999Jan10&51189.250&16.47&0.03&15.65&0.02&15.22&0.03& & &SAO\\
1999Jan20&51199.201&16.42&0.03&15.63&0.03&15.15&0.03& & &SAO\\
1999Jan22&51201.236&16.43&0.04&15.64&0.06&15.13&0.03& & &SAO\\
1999Jan23&51203.208&16.52&0.03&15.70&0.04&15.21&0.03& & &SAO\\
1999Feb10&51220.292&16.51&0.04&15.64&0.02&15.22&0.03& & &SAO\\
1999Mar14&51251.601& & & & &15.28&0.02& & &SAO\\
1999Mar28&51265.569&16.61&0.03&15.68&0.03&15.23&0.02& & &SAO\\
1999Apr11&51279.542&16.61&0.06&15.68&0.03&15.30&0.03& & &SAO\\
1999Apr14&51282.515& & &15.64&0.02&15.16&0.02&14.70&0.04&SAI\\
1999Apr26&51295.479&16.67&0.03&15.70&0.03&15.24&0.03& & &SAO\\
1999Jun07&51336.514& & &15.66&0.02&15.22&0.02& & &SAO\\
1999Jun10&51339.507&16.56&0.03&15.70&0.03&15.21&0.02& & &SAO\\
1999Jun15&51345.458&16.51&0.03&15.64&0.02&15.22&0.03& & &SAO\\
1999Jun18&51348.424&16.50&0.03&15.64&0.02&15.22&0.03& & &SAO\\
1999Jun25&51355.472& & &15.59&0.02&15.24&0.02&14.67&0.03&SAI\\
1999Jul07&51366.506& & &15.68&0.02&15.25&0.02& & &SAI\\
1999Jul10&51369.337&16.44&0.02&15.63&0.02&15.22&0.02& & &SAO\\
1999Jul12&51371.512& & &15.55&0.02&15.22&0.02& & &SAI\\
1999Jul17&51377.354&16.40&0.03&15.59&0.02&15.13&0.05& & &SAO\\
1999Jul22&51382.444& & &15.63&0.02&15.22&0.02&14.74&0.04&SAI\\
1999Jul25&51385.391& & &15.62&0.02&15.22&0.02& & &SAI\\
1999Aug08&51399.337&16.35&0.03&15.56&0.02&15.16&0.03& & &SAO\\
1999Aug09&51400.375&16.33&0.03&15.55&0.02&15.11&0.02& & &SAO\\
1999Aug10&51401.271&16.34&0.02&15.54&0.02&15.14&0.04& & &SAO\\
1999Aug11&51402.313&16.31&0.02&15.57&0.02&15.07&0.05& & &SAO\\
1999Aug12&51403.330&16.33&0.02&15.54&0.02&15.12&0.03& & &SAO\\
1999Aug16&51407.313&16.33&0.03&15.55&0.02&15.14&0.03& & &SAO\\
1999Aug17&51408.285&16.38&0.02&15.58&0.03&15.14&0.03& & &SAO\\
1999Sep09&51431.399& & & & &15.12&0.02&14.76&0.07&SAI\\
1999Sep17&51439.222&16.28&0.03&15.54&0.02&15.14&0.02& & &SAO\\
1999Sep18&51440.264&16.27&0.03&15.57&0.02&15.12&0.03& & &SAO\\
1999Sep19&51441.208&16.28&0.03&15.54&0.02&15.13&0.02& & &SAO\\
1999Sep21&51443.340& & &15.45&0.02&15.12&0.02& & &SAI\\
1999Sep22&51444.414& & & & &15.13&0.02&14.66&0.04&SAI\\
1999Oct06&51458.427&16.25&0.03&15.52&0.02&15.10&0.03& & &SAO\\
1999Oct07&51459.271&16.20&0.03&15.50&0.02&15.10&0.03& & &SAO\\
1999Oct26&51478.167&16.24&0.04&15.50&0.04&15.10&0.03& & &SAO\\
1999Nov01&51484.236& & & & &15.07&0.04& & &SAO\\
1999Nov03&51486.230&16.17&0.03&15.45&0.03&15.07&0.03& & &SAO\\
1999Nov05&51488.215&16.16&0.03&15.49&0.04&15.12&0.03& & &SAO\\
1999Dec14&51527.153&16.04&0.04&15.40&0.03&15.00&0.04& & &SAO\\
2000Feb10&51585.208&16.11&0.03&15.48&0.02&15.00&0.03& & &SAO\\
2000Mar02&51606.250&16.00&0.04&15.46&0.02&14.94&0.04& & &SAO\\
2000Mar06&51610.281& & &15.47&0.04& & & & &SAO\\
2000Mar13&51617.271&15.96&0.04&15.43&0.05&14.96&0.05& & &SAO\\
2000Mar30&51634.375&16.03&0.03&15.42&0.04&15.00&0.04& & &SAO\\
2000Apr24&51658.510&16.14&0.02&15.46&0.05&15.01&0.06& & &SAO\\
2000Apr25&51659.521&16.15&0.02&15.46&0.02&14.99&0.03& & &SAO\\ \hline
\end{tabular}
\end{center}
\end{table*}

\setcounter{table}{3}
\begin{table*}[hbtp]
\begin{center}
\caption{Log of the Spectroscopic Observations}
\footnotesize
\vspace{0.1cm}
\label{table4}
\begin{tabular}{lccccrrc}
\hline
\hline
UT Date&JD&Code&Aperture&Spec.range&Resol.&Seeing&S/N\\
 & (2440000+) & & (arcsec) & (\AA)&(\AA)&(arcsec)&\\
\hline
%& 1 & 2 &3&4&5&6&7&8\\
 1995Apr24&  49832.424  & G &  3.0$\times$3.6 &  4000-5400 &13&  2
&$38.7^{\rm a}$ \\
 1995May25&  49863.375  & T &  3.6$\times$3.6 &  4900-5450 & 4.5&  2   &   15.6
\\
 1995Nov17&  50039.156 & G &  3.0$\times$8.4 &  3700-5800 & 13 &  4.5 &   68.6
\\
 1995Nov29&  50051.143 & G &  2.0$\times$8.4 &  4600-5400 & 5  &  2.5 &   30.0\\
 1995Nov30&  50052.149 & G &  2.0$\times$10.8&  4700-5600 & 5  &  3.5 &   61.2\\
 1996Feb14&  50127.602 & N &  1.5$\times$6.0 &  3100-5800 & 6  &  2   &   48.5\\
 1996Mar20&  50162.580 & N &  2.0$\times$6.0 &  3600-5600 & 6  &  3   &   42.4\\
 1996Mar21&  50163.553 & N &  2.0$\times$6.0 &  3600-5600 & 6  &  3   &   44.0\\
 1996Jun15&  50249.542 & G &  2.0$\times$6.0 &  4600-5500 & 5  &  2.5 &   33.9\\
 1996Jul12&  50276.567 & G &  2.0$\times$6.0 &  4600-5500 & 5  &  1.4 &   47.9\\
 1996Jul13&  50277.556 & G &  2.0$\times$6.0 &  4600-5500 & 5  &  1.6 &   41.0\\
 1996Jul16&  50281.434 & G &  2.0$\times$6.0 &  4100-5800 & 8  &  1.3 &   54.2\\
 1996Aug09&  50305.489 & G &  2.0$\times$6.0 &  4600-5575 & 5  &  3.2 &   38.5\\
 1996Sep11&  50338.319 & Z2&  4.0$\times$13.8&  3850-5725 & 5  &  3-4 &   29.3\\
 1996Nov03&  50390.435 & G &  2.0$\times$6.0 &  4600-5500 & 5  &   3  &   40.8\\
 1997Mar04&  50511.622 & G &  2.0$\times$6.0 &  4650-5550 & 5  &  1.8 &   29.3\\
 1997May30&  50599.370 & G &  2.0$\times$6.0 &  4700-5600 & 5  &  2.5 &   11.7\\
 1997Jun19&  50618.523 & G &  2.0$\times$6.0 &  4000-5800 & 8  &  3-4 &   26.2\\
 1997Jul26&  50656.499 & G &  2.0$\times$6.0 &  4700-5675 & 5  &  3-4 &   19.7\\
 1997Aug30&  50691.463 & G &  2.0$\times$6.0 &  4700-5600 & 5  &  2   &   34.6\\
 1997Sep10&  50701.576 & N &  2.0$\times$6.0 &  3900-6600 & 6  &  ?   &   35.2\\
 1997Dec26&  50808.582 & G &  2.0$\times$6.0 &  4800-5700 & 5  &  3   &   61.1\\
 1997Dec30&  50813.195 & G &  2.0$\times$6.0 &  3600-7200 & 12 &  3.2 &   75.4\\
 1998Jan22&  50835.631 & N &  2.0$\times$6.0 &  3800-6200 & 6  &  2   &   43.7 \\
 1998Feb23&  50867.560 & N &  2.0$\times$6.0 &  3800-6200 & 6  &  2   &   30.1 \\
 1998Apr01&  50904.627 & G &  2.0$\times$6.0 &  4800-5700 & 5  &  2.4 & $17.7^{\rm a}$ \\
 1998May06&  50940.354 & N &  2.0$\times$6.0 &  3700-6200 & 6  &  3   &   41.5 \\
 1998May08&  50942.342 & N &  2.0$\times$6.0 &  3700-6200 & 6  &  2   &   19.7 \\
 1998Jun25&  50990.302 & N &  2.0$\times$6.0 &  3600-6100 & 6  &  3   &   59.9 \\
 1998Jul16&  51010.719 & M &  2.5$\times$6.0 &  4200-7400 & 15 &   2  &   74.4 \\
 1998Jul25&  51019.723 & M &  2.5$\times$6.0 &  4440-7640 & 15 &  2.2 &   46.5 \\
 1998Jul28&  51023.491 & G &  2.0$\times$6.0 &  4800-5700 & 5  &  1.3 &   58.6 \\
 1998Jul30&  51025.431 & G &  2.0$\times$6.0 &  4800-5700 & 5  &  2   &   62.7 \\
 1998Aug29&  51055.376 & N &  2.0$\times$6.0 &  4000-6500 & 6  &  4   &   37.4 \\
 1998Sep18&  51074.506 & Z1&  8.0$\times$19.8&  4100-5900 & 8  & 2-4  &   35.9 \\
 1998Sep24&  51081.429 & M &  2.5$\times$6.0 &  4230-7430 & 15 &   2  &   59.0 \\
 1998Sep25&  51082.429 & M &  2.5$\times$6.0 &  4210-7410 & 15 &   2  &   69.7 \\
 1998Sep26&  51083.429 & M &  2.5$\times$6.0 &  4210-7410 & 15 &   2  &   53.8 \\
 1998Oct25&  51112.259 & G &  2.0$\times$6.0 &  4700-5600 & 5  &  3   &   46.8 \\
 1998Nov12&  51130.169 & Z1&  8.0$\times$19.8&  4100-5900 & 8  &  4   &   35.2 \\
 1999Jul13&  51372.516 & P &  2.0$\times$6.0 &  4420-5655 & 4  & 1.5  &   65.6 \\
 1999Aug19&  51410.309 & P &  2.0$\times$6.0 &  4500-5740 & 4  &  2   &   43.7 \\
 1999Sep04&  51426.208 & P &  2.0$\times$6.0 &  3600-6020 & 7  & 1.5  &   78.3\\
 1999Oct03&  51454.674 & M &  2.5$\times$6.0 &  4060-7330 & 15 &   2  &   41.3 \\
 1999Oct03&  51455.172 & P &  2.0$\times$6.0 &  4500-5730 & 4  & 1.3  &   67.7 \\
 1999Nov09&  51491.592 & M &  2.5$\times$6.0 &  4190-7490 & 15 &   2  &   28.5 \\
\hline
\end{tabular}
\end{center}
\begin{list}{}{}
\item[$^{\rm a}$] --Estimated S/N ratio in the line--free continuum (5330-5370\AA)
\end{list}
\end{table*}
\end{document}{
