\begin{table}%t6
\caption{\label{caltab}Data used to calibrate the $v \sin i$.}
\small%\centering
\par
\begin{tabular}{c c c c}
\hline\hline\noalign{\smallskip}
  Star           &  {\it FWHM}   & $v \sin i$&  Dev.     \\ 
  & [pixels]& [km~s$^{-1}$]  & [km~s$^{-1}$] \\
  \hline
  Sun                 &  5.46 &  2.0 &  --2.0 \\ 
\noalign{\smallskip}
  \multicolumn{4}{l}{stars in IC 4651: }\\
  AT 1228    & 17.74 & 15.7 &  --1.9 \\
  Eggen 15   & 11.76 & 10.0 &  --1.6 \\
  Eggen 34   & 32.19 & 25.2 &   0.9 \\
  Eggen 45   &  7.56 &  4.2 &  --0.3 \\
  Eggen 79   & 25.6  & 21.8 &  --1.3 \\
  Eggen 99   & 36.28 & 28.1 &   1.4 \\
\noalign{\smallskip}
 \multicolumn{4}{l}{star in NGC 3680: }\\
  Eggen 60  &  7.10 &  1.9 &   1.3 \\    
  \hline
\end{tabular}
\end{table}