\begin{table}%t2
\caption{\label{tab2}Derived parameters for V Cygni.}
%\centering
\par
\begin{tabular}{l l}
\hline\hline \noalign{\smallskip}
{Model A}: Water inner radius = $4.5 \times 10^{14}~\rm cm$ \\
Para-water abundance relative to H$_2$: $5.3 \times 10^{-7}$ \\
Total water abundance\tablefootmark{a} relative to H$_2$: $2.1 \times 10^{-6}$ \\
Total water outflow rate: $3 \times 10^{-5}$ Earth mass/yr \\
{Model B}: Water inner radius = $2 \times 10^{15} ~ \rm cm$ \\
Para-water abundance relative to H$_2$: $1.0 \times 10^{-6}$ \\
Total water abundance\tablefootmark{a} relative to H$_2$: $4.2 \times 10^{-6}$ \\
Total water outflow rate: $6 \times 10^{-5}$ Earth mass/yr \\
\hline
\end{tabular}
\vspace*{-1.5mm}
\tablefoot {\tablefoottext{a}{For an assumed ortho-to-para ratio of 3.}}
\end{table}