\begin{table}%t1 \caption{\label{table:stellar_parameters}Astrophysical parameters of the programme stars.} \par \small%\centerline { \begin{tabular}{llccccccc} \hline \hline HD & $\log T_{\rm eff}$ & log $L_{\rm bol}$ & $M$ & Dist. & $i$ & PA \\ & log [K] & log [$L_{\odot}$] & [$M_{\odot}$] & [pc] & [$^{\circ}$] & [$^{\circ}$] \\ \hline %&&&&&& \\[-8pt] 97048 & 4.00 & 1.42 & 2.5$^{\pm 0.2}$ & 180$^a$& 42.8$^{+0.8, {\it b}}_{-2.5}$ & 160$^{\pm 19, {\it c}}$\\ 100546 & 4.02 & 1.62 & 2.4$^{\pm 0.1}$ & 103$^{{\it a}}$ & 42$^{\pm 5, {\it d}}$ & 145 $^{\pm 5, {\it d}}$\\ \hline \end{tabular}} \medskip $^a$ \citet{1998AetA...330..145V}; $^b$ \citet{2006Sci...314..621L}; $^c$ \citet{2006AetA...449..267A}; $^d$ \citet{2007ApJ...665..512A}. \end{table}