\begin{table}%t2
\par
\caption {\label{tab.timescalevar}Long and short term variability records of the RS
 CVn-type stars most observed
 by IUE.}
%\centerline
 {\begin{tabular}{c c  l r r c c  c l c l }
\hline\hline
Star  & HD &Sp. type &$m_V$ & $B-V$&$P_{\rm rot}$$^a$ & $i$$^b$  & Mean$^c$ &  Long  
  scale$^d$ & Short scale$^e$ &  Year \\
 name  & &\& class & & & (days)&(deg) &activity& variability & variability&     \\
&  & & & & & &$\langle S\rangle$  &($\sim$decades)& ($\sim$months) &\\
 &  & & & &  & & &$S_{\rm min}$/$S_{\rm max}$&  $S_{\rm min}$/$S_{\rm max}$ &\\
\hline
V711 Tau  & 22468 &K1IV+G5V&5.82 &0.85& 2.837$^\textrm{\scriptsize{(i)}}$&33$^\textrm{\scriptsize{(1)}}$ &1.864 &1.651/2.090&1.700/2.396&1981\\%bin
        & &   & &  &  & &  &   & 1.798/2.237 &1982\\
        & &   & &  &  & &  &   & 1.771/2.617 &1984\\
        & &   & &  &  & &  &   & 1.286/3.295&1986\\
        & &   & &  &  & &  &   &  1.431/2.814&1989\\
        & &   & &  &  & &  &   & 1.702/2.173 &1990\\
        & &   & &  &  & &  &   &  1.558/1.851&1991\\
        & &   & &  &  & &  &   & 0.794/2.785 &1992\\
        & &   & &  &  & &  &   &1.668/2.908  &1993\\
        & &   & &  &  & &  &   &1.406/2.751 &1994\\
UX Ari & 21242 & K0IV+G5V & 6.47&0.90 &6.483$^\textrm{\scriptsize{(ii)}}$&59$^\textrm{\scriptsize{(1)}}$ &1.277&1.115/1.480&1.132/1.501
     &1978    \\
     & & &  &  & & &  & &   0.994/5.056  &1979    \\
     & & &  &  & & &  & &   1.284/1.709  &1985    \\
     & & &  &  & & &  & &    1.026/1.626 &1987    \\
     & & &  &  & & &  & &   1.018/1.386 &1988    \\
     & & &  &  & & &  & &   1.061/1.645  &1990    \\
     & & &  &  & & &  & &   1.010/1.666 &1991    \\
     & & &  &  & & &  & &   1.140/1.753  &1994    \\
     & & &  &  & & &  & &   1.033/1.211  &1996    \\
II Peg & 224085 & K2IV &7.51 &1.01& 6.724$^\textrm{\scriptsize{(ii)}}$ & 60$^\textrm{\scriptsize{(2)}}$ & 1.694 &1.033/1.938&0.767/3.205& 1979\\
     & & &  &  & & &  &  &  0.477/3.775  &1980    \\
     & & &  &  & & &  &  &  1.323/2.390  &1981    \\
     & & &  &  & & &  &  &  1.227/3.545  &1983    \\
     & & &  &  & & &  &  &  1.627/1.821  &1984    \\
     & & &  &  & & &  &  &  1.817/2.005  &1985    \\
     & & &  &  & & &  &  &  1.379/1.973  &1986    \\
     & & &  &  & & &  &  &  1.641/2.483  &1989    \\
     & & &  &  & & &  &  &  1.389/2.434  &1990   \\
     & & &  &  & & &  &  &  1.497/3.280  &1992   \\
     & & &  &  & & &  &  &  1.600/2.226  &1993   \\
\hline
\end{tabular}}
\smallskip
$^a$  {References for the stellar  rotation period $P_{\rm rot}$:
     (i) \cite{1983ApJ...268..274F},
  (ii) \cite{2001AetA...370..974D};}
$^b$  {references for the inclination angle of the system:
     (1) \cite{1993AetAS..100..173S}, (2) \cite{1998AetA...334..863B};}
$^c$  {mean
  annual Mount Wilson index for the period 1978--1996;}
$^d$   {Maximum and minimum level of activity reached along
decades;} 
$^e$   {variations recorded in particular years.}
\end{table}