<!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>Reducing the observations</TITLE> <META NAME="description" CONTENT="Reducing the observations"> <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="node301.html"> <LINK REL="previous" HREF="node270.html"> <LINK REL="up" HREF="node248.html"> <LINK REL="next" HREF="node272.html"> </HEAD> <BODY > <!--Navigation Panel--> <A NAME="tex2html4808" HREF="node272.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="icons.gif/next_motif.gif"></A> <A NAME="tex2html4805" HREF="node248.html"> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="icons.gif/up_motif.gif"></A> <A NAME="tex2html4799" HREF="node270.html"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="icons.gif/previous_motif.gif"></A> <A NAME="tex2html4807" 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="tex2html4809" HREF="node272.html">Preliminaries</A> <B> Up:</B> <A NAME="tex2html4806" HREF="node248.html">PEPSYS general photometry package</A> <B> Previous:</B> <A NAME="tex2html4800" HREF="node270.html">Getting the observations</A> <BR> <BR> <!--End of Navigation Panel--> <H1><A NAME="SECTION001850000000000000000"> Reducing the observations</A> </H1> <P> <BR><HR> <!--Table of Child-Links--> <A NAME="CHILD_LINKS"> </A> <UL> <LI><A NAME="tex2html4810" HREF="node272.html">Preliminaries</A> <LI><A NAME="tex2html4811" HREF="node273.html">Format conversion</A> <LI><A NAME="tex2html4812" HREF="node274.html">Reductions -- at last!</A> <UL> <LI><A NAME="tex2html4813" HREF="node275.html">Robust fits and bad points</A> <LI><A NAME="tex2html4814" HREF="node276.html">Subtraction of dark and sky measurements</A> <LI><A NAME="tex2html4815" HREF="node277.html">Sky models</A> <LI><A NAME="tex2html4816" HREF="node278.html">Using the sky model</A> </UL> <LI><A NAME="tex2html4817" HREF="node279.html">Choosing a gradient estimator</A> <LI><A NAME="tex2html4818" HREF="node280.html">Extinction and transformation models</A> <UL> <LI><A NAME="tex2html4819" HREF="node281.html">The bias problem</A> <LI><A NAME="tex2html4820" HREF="node282.html">Equations of condition</A> <LI><A NAME="tex2html4821" HREF="node283.html">Strategy</A> <LI><A NAME="tex2html4822" HREF="node284.html">Standard stars</A> </UL> <LI><A NAME="tex2html4823" HREF="node285.html">Reduction procedure</A> <LI><A NAME="tex2html4824" HREF="node286.html">Final results</A> <UL> <LI><A NAME="tex2html4825" HREF="node287.html">Residual plots</A> <LI><A NAME="tex2html4826" HREF="node288.html">Estimated parameters</A> <LI><A NAME="tex2html4827" HREF="node289.html">Individual data</A> <LI><A NAME="tex2html4828" HREF="node290.html">Logfile output</A> <LI><A NAME="tex2html4829" HREF="node291.html">Table file output</A> </UL> <LI><A NAME="tex2html4830" HREF="node292.html">Interpreting the output</A> <LI><A NAME="tex2html4831" HREF="node293.html">Special problems</A> <UL> <LI><A NAME="tex2html4832" HREF="node294.html">Missing bands</A> <LI><A NAME="tex2html4833" HREF="node295.html">Nonlinearity</A> <LI><A NAME="tex2html4834" HREF="node296.html">Special systems</A> <LI><A NAME="tex2html4835" HREF="node297.html">Marginal nights</A> <LI><A NAME="tex2html4836" HREF="node298.html">Sky problems</A> <LI><A NAME="tex2html4837" HREF="node299.html">CCD data</A> <LI><A NAME="tex2html4838" HREF="node300.html">Problems with star names</A> </UL></UL> <!--End of Table of Child-Links--> <BR><HR> <ADDRESS> <I>Petra Nass</I> <BR><I>1999-06-15</I> </ADDRESS> </BODY> </HTML>
