deletions | additions       diff --git a/Components.tex b/Components.tex  index e5a65a1..b1d8e8f 100644  --- a/Components.tex  +++ b/Components.tex 
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Iris natively supports IVOA-compliant FITS and VOTable formats (described in \cite{2012arXiv1204.3055M}). Files in these formats will automatically be added to SED Builder and the visualizer. The Builder can convert ASCII Tables, CSV, Tab-Seprated-Tables, IPAC tables [REFERENCE], SAMP messages, and non-IVOA-compliant VOTable and FITS files into the native format with user input. We provide two file converted forms: (1) the Import Setup Frame, which handles spectrum-style files (i.e. those with columns for the spectral, flux and flux uncertainties), and (2) the Photometry Catalog Importer, which handles photometry catalogs (i.e. files where each column represents a passband and the values represent the fluxes). Users can save their setup options from the Import Setup Frame to a configuration file and automatically read-in files of the same format to Iris via the command line.  %   The SED Builder also has a hook for adding custom file filters. A user can develop a custom file reader that would convert a non-standard file, e.g. a SExtractor-type file, to an IVOA-compliant format. This kind of plugin would allow the user to automatically read-in non-standard files to Iris, without needing to use the importer tools (See Section~\ref{sec:plugins} for details on developing Iris plugins).  \subsubsection{Saving data} 
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Redshifting an SED in Iris refers to cosmological redshift. Because the apparent magnitude of a source is dimmer at high redshifts than low redshift, we correct the flux so that the area under the shifted SED equals that of the un-shifted SED:  \begin{equation} \label{eq:redshift}  \[f_{z_{final}}(\lambda) f_{z_{final}}(\lambda)  = f_{z_{initial}}(\lambda) \frac{\sum_{k=1}^N (f_{z_{initial}}(\lambda_{k+1})+f_{z_{initial}}(\lambda_{k}))}{\sum_{k=1}^N (f_{z_{final}}(\lambda_{k+1})+f_{z_{final}}(\lambda_{k}))}\] (f_{z_{final}}(\lambda_{k+1})+f_{z_{final}}(\lambda_{k}))}  \end{equation}  In sherpa-samp, we extend astLib's\footnote{http://astlib.sourceforge.net/} \textit{astSED} class which implements Equation~\ref{eq:redshift}.