<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <!--Converted with LaTeX2HTML 98.1p1 release (March 2nd, 1998) originally by Nikos Drakos (nikos@cbl.leeds.ac.uk), CBLU, University of Leeds * revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan * with significant contributions from: Jens Lippmann, Marek Rouchal, Martin Wilck and others --> <HTML> <HEAD> <TITLE>Getting the Dispersion Solution</TITLE> <META NAME="description" CONTENT="Getting the Dispersion Solution"> <META NAME="keywords" CONTENT="vol2"> <META NAME="resource-type" CONTENT="document"> <META NAME="distribution" CONTENT="global"> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <LINK REL="STYLESHEET" HREF="vol2.css"> <LINK REL="next" HREF="node513.html"> <LINK REL="previous" HREF="node506.html"> <LINK REL="up" HREF="node501.html"> <LINK REL="next" HREF="node508.html"> </HEAD> <BODY > <!--Navigation Panel--> <A NAME="tex2html7793" HREF="node508.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="icons.gif/next_motif.gif"></A> <A NAME="tex2html7790" HREF="node501.html"> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="icons.gif/up_motif.gif"></A> <A NAME="tex2html7784" HREF="node506.html"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="icons.gif/previous_motif.gif"></A> <A NAME="tex2html7792" HREF="node1.html"> <IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="icons.gif/contents_motif.gif"></A> <BR> <B> Next:</B> <A NAME="tex2html7794" HREF="node508.html">Line Detection in the</A> <B> Up:</B> <A NAME="tex2html7791" HREF="node501.html">A Typical Session: Cook-book</A> <B> Previous:</B> <A NAME="tex2html7785" HREF="node506.html">Pre-processing the spectra</A> <BR> <BR> <!--End of Navigation Panel--> <H2><A NAME="SECTION003034000000000000000"> Getting the Dispersion Solution</A> </H2> <P> The determination of the dispersion solution involves an arc lamp spectrum <!-- MATH: $\fbox{WLC}$ --> <IMG WIDTH="66" HEIGHT="29" ALIGN="BOTTOM" BORDER="0" SRC="img1020.gif" ALT="\fbox{WLC}"> and a line catalog <!-- MATH: $\fbox{LINCAT}$ --> <IMG WIDTH="98" HEIGHT="29" ALIGN="BOTTOM" BORDER="0" SRC="img1021.gif" ALT="\fbox{LINCAT}">. The parameters required for line detection, identification and wavelength calibration are displayed by the command: <BR> <BR> Midas...> <TT>SHOW/LONG w</TT> <P> <BR><HR> <!--Table of Child-Links--> <A NAME="CHILD_LINKS"> </A> <UL> <LI><A NAME="tex2html7795" HREF="node508.html">Line Detection in the Comparison Spectrum</A> <LI><A NAME="tex2html7796" HREF="node509.html">Line Identification</A> <LI><A NAME="tex2html7797" HREF="node510.html">Determination of the Dispersion Coefficients</A> <LI><A NAME="tex2html7798" HREF="node511.html">Possible Graphical Verifications</A> <LI><A NAME="tex2html7799" HREF="node512.html">Refining the Dispersion Relation</A> </UL> <!--End of Table of Child-Links--> <BR><HR> <ADDRESS> <I>Petra Nass</I> <BR><I>1999-06-15</I> </ADDRESS> </BODY> </HTML>