\begin{table}%t1
\par
 \caption {\label{tab1}Projection factors for simulated line-profiles.}

   \begin{tabular}{rrrrrrrrr}
     \hline\hline
 && &$\Delta^{0}_{\rm sim}$ &  && &$\Delta^{1}_{\rm sim}$ &  \\
     \noalign{\smallskip}
 q && $\Delta^{0}_{\rm dis}$ & $\Delta^{1}_{\rm dis}$ & $\Delta^{\infty}_{\rm dis}$
   && $\Delta^{0}_{\rm dis}$ & $\Delta^{1}_{\rm dis}$ & $\Delta^{\infty}_{\rm dis}$ \\
      \hline
 0.1 && 0.9999 & 1.0718 & 1.3942 && 0.9426 & 0.9999 & 1.2556 \\
 0.3 && 0.9999 & 1.1074 & 1.4624 && 0.9100 & 0.9999 & 1.3064 \\
 1.0 && 1.0001 & 1.1229 & 1.4945 && 0.8918 & 1.0001 & 1.3297 \\
 3.0 && 1.0013 & 1.1262 & 1.5012 && 0.8905 & 1.0015 & 1.3348 \\
 10. && 1.0006 & 1.1253 & 1.5007 && 0.8895 & 1.0003 & 1.3341 \\
      \hline
   \end{tabular}
\end{table}