\begin{table}%t1
 \caption{\label{tab1}Spectrographic results on the UV current sheets.}
%\centerline
{
\begin{tabular}{lcccccc}
\hline\hline
& 1998 Mar. 23$^1$ & 2002 Jan. 8$^2$ & 2002 Apr. 21$^3$ & 2002 Nov. 26$^4$ & 2003 Nov. 4$^5$ & 2003 June. 2$^6$ \\
\hline\\
 CME 1st-LASCO & 09:33:36 & 17:54:05  & 01:27:20 & 17:06:21 & 19:54:05 & 08:54:05 \\
CME speed (km~s$^{-1}$)      &   403    &   1794    &   2393   &    479   & 2657  & 980    \\
Flare & N  & Ybl$^*$  &   X~1.5   &    N    & X~30.8  & M~3.9   \\
AR No.          &    ---     &   9782/85 &   9906   &    ---     & 10486 & 10365    \\
 LASCO CS         &    N     &   2~days  &    N    &    N     &  $\sim $20~h & 6.5~h  \\
\hline\\
CS obs. start   & 16:00:30 & 17:48/Jan~10  & 00:45:34 & 18:39:15 & 20:03:50 & 09:40:44 \\
CS obs. height   &   1.51~(--~1.38) &  1.53  &   1.62   &   1.61   & 1.69     &1.68   \\
 CS FWHM width ($r_{\odot}$)   &   0.1    &   0.2     &   0.3    &   0.4    & 0.2--0.1 &  0.3\\
 CS full width ($r_{\odot}$)   &   0.4    &   0.4     &   0.6    &   0.8    & 0.5--0.2  &  0.35\\
  CS LoS depth ($r_{\odot}$)   &   0.06   &   0.2     &   ---    &   0.5    & 0.1  & 0.1\\
  CS obs. duration             &   20~h    &   10~h     &  14~min  &  2.3~days & $\sim $17~h & 6.3~h \\
CS temp. ($10^6$ K)          &    5     &   3--4  &     5   &   8--3    & 8--4 & 7   \\
 CS density($\rm 10^7~cm^{-3}$)& 5--10  &  $\le$4  &   ---  &  6.5--7.5 & 7--10 & 1  \\
 \hline
\end{tabular}}
$^1$  \citet{ciara02};   $^2$  \citet{ko03};    $^3$  \citet{raymond03}; \citet{lee06};  $^4$  \citet{bemporad06};   $^5$  \citet{ciara08}; $^6$  Schettino et~al. (2008, to be submitted).   $^*$ Ybl = Yes (behind the limb).
\end{table}