<!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>Column label: SLITWID</TITLE> <META NAME="description" CONTENT="Column label: SLITWID"> <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="previous" HREF="node579.html"> <LINK REL="up" HREF="node569.html"> <LINK REL="next" HREF="node581.html"> </HEAD> <BODY > <!--Navigation Panel--> <A NAME="tex2html8755" HREF="node581.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="icons.gif/next_motif.gif"></A> <A NAME="tex2html8752" HREF="node569.html"> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="icons.gif/up_motif.gif"></A> <A NAME="tex2html8748" HREF="node579.html"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="icons.gif/previous_motif.gif"></A> <A NAME="tex2html8754" 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="tex2html8756" HREF="node581.html">Horizon obstructions</A> <B> Up:</B> <A NAME="tex2html8753" HREF="node569.html">Permanent telescope parameters</A> <B> Previous:</B> <A NAME="tex2html8749" HREF="node579.html">Column label: DOMEDIAM</A> <BR> <BR> <!--End of Navigation Panel--> <H2><A NAME="SECTION0032311000000000000000"> Column label: SLITWID</A> </H2> <P> If DOMETYPE is <TT>'DOME'</TT>, this is the width of the shutter or slit opening, in meters. <P> Some domes are equipped with upper and lower windscreens that could, in principle, be used to shade the mirror from moonlight. In practice, these screens always move too slowly to be used routinely in photometric programs. Therefore, wind screens are ignored, even though they might occasionally be used in particular programs. <P> <BR><HR> <ADDRESS> <I>Petra Nass</I> <BR><I>1999-06-15</I> </ADDRESS> </BODY> </HTML>
