{# Template to define the radvel multipanel plot #} 
\begin{figure*}[!h]
\centering
{# quotes and tildes needed to render the curly braces around infile with nospaces #}
{{'\includegraphics[height=8.0in,width=6.0in,keepaspectratio]{'~infile~'}'}}
\caption{Posterior distributions for all free parameters.}
\end{figure*}
