\begin{table}%t5 \caption{\label{tab:f1variationresults}Statistical comparison of synthetic populations calculated with different type I migration efficiency factors $\f1$.} %%\centerline {\begin{tabular}{llllll} \hline\hline Feature & $\f1=$ 0.001 & 0.01 & 0.1 & 1.0 &Obs. \\ \hline Detection probability w/o $\nhot$ ($P$) [\%] & 8.7 & 9.4 & 8.8 & 3.1 & $\sim$5--10\\ Detection probability w. $\nhot$ ($\pwhot$) [\%] & 10.7 & 14.0 & 28.7 & 48.0 & $\geq$$7.3\pm1.5$ \\ Fraction of cases migrating to $\atouch$ $(\nhot/\ninit)$ [\%] & 2.0 & 4.7 & 19.9 & 45.0 & -- \\ Significance~KS $a-\msini$ ($\sam$) [\%] & 87.7 & 35.2 & 7.8 & 0.3 & --\\ Significance~KS $\msini$ ($\sm$) [\%] & 95.6 & 93.6 & 57.3 & 5.0 &--\\ Significance KS $a$ ($\sa$) [\%] & 63.9 & 18.4 &6.7 & 0.2 &--\\ Significance KS [Fe/H] ($\sfeh$) [\%] & 21.7 & 40.8 & 28.0 & 10.0&--\\ %\hline Detect. prob. with FV05 bias excluding ``Hot'' planets ($\pfv$) [\%] & 4.8 & 5.3 & 5.5 & 2.2&$4.5\pm0.7$\\ Detect. prob. with FV05 bias including ``Hot'' planets ($\pfvwhot$) [\%] &5.2--5.4 &6.0--6.3 & 7.5--8.4 & 4.1--5.5&$\geq$$5.5\pm0.8$\\ Fract. of ``Hot'' detectable planets of all FV05 detectable planets($\ffv$) [\%] & 7.1--10.7 & 11.4--16.4 & 26.4--34.8 & 47.1--60.5&$\geq$$19\pm6$\\ \hline \end{tabular}} \medskip All other parameters are kept constant, except that for the $\f1=1.0$ the seed mass is 0.1~instead of 0.6~$\mearth$. The quantities are the same as in Table~\ref{tab:basicresutls} and~\ref{tab:hotjupresults}. Where possible, observational constraints are also given (Naef et~al. \cite{naefetal2005}; FV05). \end{table}