

You may prefer to begin a new chapter without a section number to offer a paragraph that describes
what is coming.  A more organized style would use a  section perhaps called ``Summary'' at the
top of the chapter.  

\section{What to Make of our Data}

As a first step, it was necessary to determine 


A survey of the literature shows some uncertainty in 

The resulting map of V-band extinction is shown in Fig.~\ref{fig:radio_av}. 

The figure is an example of how to use a short caption that will appear in the list of figures in the
front matter, and to include a label that is used in the reference in the text.  Take care not to
confuse \verb|\ref| with \verb|\cite|.  The former is for a label, the latter for a literature
citation.

\begin{figure}
\resizebox{\textwidth}{!}{\includegraphics*{radio_av.png}}
\caption[Rosette A(V) Map from Radio Ratio]{ A plot of 
V-band extinction (A(V)) across the Rosette Nebula, derived from the flux 
calibrated 1410 MHz / H($\alpha$) ratio map and reddening factors determined 
from Cardelli 1989 \cite{cardelli1989}. The map is shown on a square root scale 
from a minimum ratio value of zero to a maximum of 7. Note that the Effelsberg 1410 MHz 
data had a half power beam width of 9.24 arcminutes, so detail below that level is 
oversampling from the H$\alpha$ map. This map was used in the extinction correction 
of the [OIII]/[SII] map of the ionization parameter discussed later.\label{fig:radio_av} }
\end{figure}

\section{Additional Analysis}

Of course you may add other sections to the analysis within the master chapter file.  Alternatively,
you can add to the chapter with separate files by using the \verb|input| command within the main
dissertation file.



