<!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>Reduction using Standard Stars</TITLE> <META NAME="description" CONTENT="Reduction using Standard Stars"> <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="node475.html"> <LINK REL="previous" HREF="node468.html"> <LINK REL="up" HREF="node468.html"> <LINK REL="next" HREF="node470.html"> </HEAD> <BODY > <!--Navigation Panel--> <A NAME="tex2html7303" HREF="node470.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="icons.gif/next_motif.gif"></A> <A NAME="tex2html7300" HREF="node468.html"> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="icons.gif/up_motif.gif"></A> <A NAME="tex2html7294" HREF="node468.html"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="icons.gif/previous_motif.gif"></A> <A NAME="tex2html7302" 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="tex2html7304" HREF="node470.html">Order Definition: Methods STD</A> <B> Up:</B> <A NAME="tex2html7301" HREF="node468.html">The Reduction Session</A> <B> Previous:</B> <A NAME="tex2html7295" HREF="node468.html">The Reduction Session</A> <BR> <BR> <!--End of Navigation Panel--> <H2><A NAME="SECTION0027101000000000000000"> Reduction using Standard Stars</A> </H2> In general it is necessary at this stage to assign values to the parameters <TT>ORDREF, WLC, LINCAT</TT>. The methods of order definition and wavelength calibration <TT>DEFMTD, WLCMTD</TT> must be chosen, as well as required parameter values, depending on the chosen methods. <P> <BR><HR> <!--Table of Child-Links--> <A NAME="CHILD_LINKS"> </A> <UL> <LI><A NAME="tex2html7305" HREF="node470.html">Order Definition: Methods STD and COM</A> <LI><A NAME="tex2html7306" HREF="node471.html">Order definition: Method Hough</A> <LI><A NAME="tex2html7307" HREF="node472.html">Wavelength calibration</A> <LI><A NAME="tex2html7308" HREF="node473.html">Background Correction</A> <LI><A NAME="tex2html7309" HREF="node474.html">Flat Field correction</A> </UL> <!--End of Table of Child-Links--> <BR><HR> <ADDRESS> <I>Petra Nass</I> <BR><I>1999-06-15</I> </ADDRESS> </BODY> </HTML>