\begin{picture}(400.00,300.00)(-32.50,-32.50)
\psset{unit=1pt}
% left axis
\put(-10.00,262.50){\makebox(0,0)[l]{feelgood factor (erg$/$lightyear$^2$)}}
\psline{->}(0,0.00)(0,242.50)
\put(-10,0.00){\begin{rotate}{0.00}\makebox(0,0)[r]{-1.00}\end{rotate}}
\put(0,0.00){\psline{-}(0,0)(-5,0)}
\put(-10,48.50){\begin{rotate}{0.00}\makebox(0,0)[r]{-0.50}\end{rotate}}
\put(0,48.50){\psline{-}(0,0)(-5,0)}
\put(-10,97.00){\begin{rotate}{0.00}\makebox(0,0)[r]{0.00}\end{rotate}}
\put(0,97.00){\psline{-}(0,0)(-5,0)}
\put(-10,145.50){\begin{rotate}{0.00}\makebox(0,0)[r]{0.50}\end{rotate}}
\put(0,145.50){\psline{-}(0,0)(-5,0)}
\put(-10,194.00){\begin{rotate}{0.00}\makebox(0,0)[r]{1.00}\end{rotate}}
\put(0,194.00){\psline{-}(0,0)(-5,0)}
\put(-10,242.50){\begin{rotate}{0.00}\makebox(0,0)[r]{1.50}\end{rotate}}
% bottom axis
\put(178.75,-25.00){\makebox(0,0)[t]{time ($\mu s$)}}
\psline{->}(0.00,0.00)(357.50,0.00)
\put(0.00,-10.00){\begin{rotate}{0.00}\makebox(0,0)[t]{0.00}\end{rotate}}
\put(0.00,-10.00){\psline{-}(0,5)(0,10)}
\put(29.79,-10.00){\begin{rotate}{0.00}\makebox(0,0)[t]{0.25}\end{rotate}}
\put(29.79,-10.00){\psline{-}(0,5)(0,10)}
\put(59.58,-10.00){\begin{rotate}{0.00}\makebox(0,0)[t]{0.50}\end{rotate}}
\put(59.58,-10.00){\psline{-}(0,5)(0,10)}
\put(89.38,-10.00){\begin{rotate}{0.00}\makebox(0,0)[t]{0.75}\end{rotate}}
\put(89.38,-10.00){\psline{-}(0,5)(0,10)}
\put(119.17,-10.00){\begin{rotate}{0.00}\makebox(0,0)[t]{1.00}\end{rotate}}
\put(119.17,-10.00){\psline{-}(0,5)(0,10)}
\put(148.96,-10.00){\begin{rotate}{0.00}\makebox(0,0)[t]{1.25}\end{rotate}}
\put(148.96,-10.00){\psline{-}(0,5)(0,10)}
\put(178.75,-10.00){\begin{rotate}{0.00}\makebox(0,0)[t]{1.50}\end{rotate}}
\put(178.75,-10.00){\psline{-}(0,5)(0,10)}
\put(208.54,-10.00){\begin{rotate}{0.00}\makebox(0,0)[t]{1.75}\end{rotate}}
\put(208.54,-10.00){\psline{-}(0,5)(0,10)}
\put(238.33,-10.00){\begin{rotate}{0.00}\makebox(0,0)[t]{2.00}\end{rotate}}
\put(238.33,-10.00){\psline{-}(0,5)(0,10)}
\put(268.12,-10.00){\begin{rotate}{0.00}\makebox(0,0)[t]{2.25}\end{rotate}}
\put(268.12,-10.00){\psline{-}(0,5)(0,10)}
\put(297.92,-10.00){\begin{rotate}{0.00}\makebox(0,0)[t]{2.50}\end{rotate}}
\put(297.92,-10.00){\psline{-}(0,5)(0,10)}
\put(327.71,-10.00){\begin{rotate}{0.00}\makebox(0,0)[t]{2.75}\end{rotate}}
\put(327.71,-10.00){\psline{-}(0,5)(0,10)}
\put(357.50,-10.00){\begin{rotate}{0.00}\makebox(0,0)[t]{3.00}\end{rotate}}
% curves
\psline{-}%
   (  0.00, 97.00)(119.17,194.00)(238.33,  0.00)(357.50, 97.00)
\psset{linecolor=lightgray}
\put( 41.71, 38.80){
            \begin{picture}(0,0)
            \psset{linecolor=black}
            \psline{-}(0,0)(10,0)
            \put(15,0){\makebox(0,0)[l]{\textsl{realized}}}
            \psset{linecolor=lightgray}
            \psline{-}(0,20)(10,20)
            \put(15,20){\makebox(0,0)[l]{\textsl{projected}}}
            \put(-10,-15){\dashbox(75,50){}}
            \end{picture}}
\psline{-}%
   (  0.00, 97.00)(357.50,242.50)
\end{picture}