\begin{table}%t1 %\centering \par \caption{\label{syst}Example systems with known close-in planets.} \begin{tabular}[h]{llllll} \hline\hline Name& $m_{\rm Star}$ & $m_{\rm Pl}$ & $a$ & $e$ & Ref.\\ & [$m_{{\rm Sun}}$] & [$m_{{\rm Earth}}$] & & &\\ & Spec. Typ & & & & \\ \hline CoRoT 7 b & 0.93 & 4.8 & 0.017 & 0.0 & 1\\ CoRoT 7 c & K0 V & 8.4 & 0.046 & 0.0 &\\ %\hline Gliese 581 b & 0.31 & 15.65 & 0.04 & 0.0 & 2\\ Gliese 581 c & M3 & 5.36 & 0.07 & 0.17 &\\ Gliese 581 d && 7.09 & 0.22 & 0.38 &\\ Gliese 581 e && 1.94 & 0.03 & 0.0 &\\ %\hline Gliese 876 b & 0.32 & 615 & 0.20783 & 0.0249 & 3\\ Gliese 876 c & M4 V & 196.74 & 0.13030 & 0.2243 & \\ Gliese 876 d && 5.89 & 0.02081 & 0.0 & \\ %\hline HD 40307 b & 0.77 & 4.2 & 0.047 & 0.0 & 4\\ HD 40307 c & K2.5 V & 6.9 & 0.081 & 0.0 &\\ HD 40307 d && 9.2 & 0.134 & 0.0 &\\ \hline \end{tabular} \tablefoot{Reference: 1: Queloz et~al. (\cite{queloz}); 2: Mayor et~al. (\cite{mayor}); 3:~Rivera et~al. (\cite{rivera});~4: Mayor et~al. (\cite{mayor1}).} \end{table}