deletions | additions       diff --git a/section_Define_Data_Products_Catalogs__.tex b/section_Define_Data_Products_Catalogs__.tex  index 5128753..97af6cd 100644  --- a/section_Define_Data_Products_Catalogs__.tex  +++ b/section_Define_Data_Products_Catalogs__.tex 
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\item Integrated Spectral Index (Stokes I) and uncertainty  \item Basic Shape information IQU (TBD, likely Gaussian fit parameters including deconvolved sizes)  \end{enumerate}  For the linear polarization Stokes Q and U values, we will report these as the more traditional polarized flux density (amplitude of Q+iU) and polarization angle ($0.5\,\tan^{-1}(U/Q)$).  It is also likely that for bright sources we will be able to compute IQU spectra (averaged over the source region). These would be extracted from the temporary full-resolution cubes. \\  As defined in the TIP (\S~4.1.7), we consider the Basic Object Catalog entry for an ``object'' in the cumulative catalogs to contain:  \begin{enumerate} 
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\item Basic Shape information IQU (TBD, likely Gaussian fit parameters including deconvolved sizes)  \item Spectrum in IQU integrated over the source region (for bright sources)  \end{enumerate}  Note that for the QU spectrum we do not promise to deliver robust rotation measures (RM) derived from RM synthesis, the exact characterization of that spectrum over the 2-4GHz band is TBD (e.g.\ it may be a simple single RM fit, or some polynomial for Q and U separately).  {\textbf{ENHANCED}}\\  ~ ~ 1. Gathering "components" into "sources"\\  ~ ~ ~ ~ a) Source properties: total size, total flux, number of components, axial ratio, simple morphological classifier\\ 
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