\begin{table}%t1
\caption{\label{tab}Properties of dust aggregates grown on specific targets.}
%\centering
\small
%\begin{tabular}{p{1.3cm}p{1.5cm}p{0.8cm}p{0.8cm}p{1.2cm}p{1.4cm}p{1.8cm}}
\begin{tabular}{p{1.6cm}p{1.6cm}p{1.1cm}p{1.2cm}p{1.3cm}p{1.8cm}p{2.7cm}}
\hline\hline
Target base & Size & Dust mass\ \  (g) & Dust volume (cm$^3$) & Volume filling (\%) & Maximum impact~~angle for growth & Miscellaneous\\  
\hline
cylinder & 9.50~~mm\ \ \ diameter & 0.166 & 0.197 & 32.4 $\pm$ 1 & 65.3 $\pm$ 1$^{\circ}$ & circular cross section for growth\\ 
\hline
cylinder & 6.40~~mm\ \ \ diameter & 0.055 & 0.0704 & 30.0 $\pm$ 1 & 65.3 $\pm$ 1$^{\circ}$ &  \\ 
\hline
glass plate & 1.1~~mm~~$\times$ 28~mm & 0.016 & 0.0233 & 26.4 $\pm$ 1 & 70.3 $\pm$ 1$^{\circ}$ & \\ 
\hline
cylinder (horizontal) & 13~~mm~~$\times$ 28~mm mantle area & 1.190 & 1.46 & 31.7 $\pm$ 4 & -- & rotating~~cylinder,\  growth on mantle\\ 
\hline
glass beaker & 50~~mm (85~~mm height) & 40.037 & 52 & 29.6 $\pm$ 1 & -- & growth within beaker\\ 
\hline
cylindrical aluminum tray & 30.1~~mm (10~~mm height) & 10.818 & 12.05 & 34.5 $\pm$ 2 & 68 $\pm$ 1$^{\circ}$ & growth beyond tray height\\
\hline
\end{tabular}
\end{table}