\begin{table}%t1 \caption {\label{tab1}Transiting exoplanet hosts observed with AstraLux with no stellar companions found\ft{\dag}.} %\centerline { \begin{tabular}{lcc} \hline\hline Name & 2MASS Name & \multicolumn{1}{c}{Vmag{$^a$}} \\[0.5ex] \hline \object{HD~209~458} & J22031077+1853036 & 7.65 \\ \object{HD~189~733} & J20004370+2242391 & 7.68 \\ \object{HD~171~56} & J02494447+7145115 & 8.17 \\ \object{GJ~436} & J11421096+2642251 & 10.68 \\ \object{WASP-1} & J00204007+3159239 & 11.8 \\ \object{TrES-1} & J19040985+3637574 & 11.4 \\ \object{TrES-3} & J17520702+3732461 & 12.40 \\ \object{HAT-P-1} & J22574684+3840302 & 10.4 \\ \object{HAT-P-5} & J18173731+3637170 & 11.95 \\ \object{HAT-P-6} & J23390581+4227575 & 10.54 \\ \object{XO-2} & J07480647+5013328 & 11.25 \\ \hline \end{tabular} } \par \smallskip \ft{\dag} According to our sensitivity limits (see Sect.~\ref{sens}). {$^a$} $V$ band magnitudes from Simbad. \end{table}