\begin{table}%t1
%%\centering
%
\par
\caption{\label{t1} Class transitions of GRS 1915+105 reported in this paper.}
%\centerline
 {\begin{tabular}{c|c|c|c|c}
\hline\hline
FIGURE & Satellite & Date & Orbit No. & Class transition   \\ 
 &    & Time (UT) & obs. ID &     \\ \hline
%
1. & IXAE & 22th June, 1997 & 1, 3, 5  & $\kappa$ $\rightarrow$ $\rho$ \\  \cline{3-3} 
  &  & 12:12$^a$ &  &   \\ \hline
  %
2. & IXAE & 25th June, 1997 & 3, 4, 5  & "$\chi$'' $\rightarrow$ $\rho$ \\  \cline{3-3} 
  &  & 11:12$^a$ &  &   \\ \hline
%
3. & IXAE & 08th June, 1999 & 2, 3  & "$\chi$'' $\rightarrow$ $\theta$ \\  \cline{3-3} 
  &   & 11:02$^a$ &  &   \\ \hline
%
3. & RXTE & 08th June, 1999 & 40702-01-03-00  & "$\chi$'' $\rightarrow$ $\theta$ \\  \cline{3-3} 
  &   & 13:52 &  &   \\ \hline
%
5. & IXAE & 25th June, 2000 & 2, 3  & "$\rho$'' $\rightarrow$ $\alpha$ \\  \cline{3-3} 
  &  & 14:07$^b$ &  &   \\ \hline
\end{tabular}}
\par
\smallskip
\par
\noindent {$^{a}$ Observation time at the begining of the first orbit;
$^b$ Observation time at the begining of the second orbit.}\\
\end{table}