\begin{table}%t6
\caption{\label{tab:temp}Temperatures of the grains (other than VCGs).
           We give the minimum ($T_{\rm min}$) and maximum ($T_{\rm max}$) 
           temperatures for the minimum and maximum sizes, component by 
           component.
           All the grains are stochastically heated except the largest
           BGs where $T_{\rm min} = T_{\rm max} = T_{\rm equilibrium}$.}
%\centering
\par
  \begin{tabular}{*{6}{l}}
    \hline
    \hline
               &              & \multicolumn{2}{c}{ NGC~1569}            & 
      \multicolumn{2}{c}{  Milky~Way}           \\
               &              & ${T_{\rm min}}$  & ${T_{\rm max}}$  & 
      ${T_{\rm min}}$  & ${T_{\rm max}}$  \\
    \hline
       PAH  & ${a_-}$  & 2.7~K                & 9200~K               & 
      2.7~K                & 4400~K               \\
               & ${a_+}$  & 2.7~K                & 1800~K               & 
      2.7~K                & 1100~K               \\
    \hline
        VSG  & ${a_-}$  & 2.7~K                & 890~K                & 
      2.7~K                & 630~K                \\
               & ${a_+}$  & 2.7~K                & 160~K                & 
      2.7~K                & 78~K                 \\
    \hline
       BG   & ${a_-}$  & 2.7~K                & 230~K                & 
      15~K                 & 22~K                 \\
               & ${a_+}$  & 28~K                 & 28~K                 & 
      17~K                 & 17~K                 \\
    \hline
  \end{tabular}
  \end{table}