<!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>TESTD/CCD</TITLE> <META NAME="description" CONTENT="TESTD/CCD"> <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="node673.html"> <LINK REL="previous" HREF="node671.html"> <LINK REL="up" HREF="node668.html"> <LINK REL="next" HREF="node673.html"> </HEAD> <BODY > <!--Navigation Panel--> <A NAME="tex2html9897" HREF="node673.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="icons.gif/next_motif.gif"></A> <A NAME="tex2html9894" HREF="node668.html"> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="icons.gif/up_motif.gif"></A> <A NAME="tex2html9888" HREF="node671.html"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="icons.gif/previous_motif.gif"></A> <A NAME="tex2html9896" 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="tex2html9898" HREF="node673.html">TESTS/CCD</A> <B> Up:</B> <A NAME="tex2html9895" HREF="node668.html">Test Commands</A> <B> Previous:</B> <A NAME="tex2html9889" HREF="node671.html">TESTTA/CCD</A> <BR> <BR> <!--End of Navigation Panel--> <H3><A NAME="SECTION003511400000000000000"> <TT>TESTD/CCD</TT></A> </H3> The command does a series of tests on a catalogue of dark frames and produces: <UL> <LI>An estimate of the electron analogue-to-ADU conversion factor; <LI>A map of dark current across the CCD. </UL> The command uses the bias offset that is expected in the keyword <TT>BIASMEAN</TT> which is produced by the command <TT>TESTB/CCD</TT>. Alternatively, the user can store the name of the combined bias frame created by the command <TT>TESTB/CCD</TT> in the keyword <TT> BIASMEAN</TT>. <P> <BR><HR> <ADDRESS> <I>Petra Nass</I> <BR><I>1999-06-15</I> </ADDRESS> </BODY> </HTML>
