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diff --git a/src/slalib/sun67.htx/node155.html b/src/slalib/sun67.htx/node155.html new file mode 100644 index 0000000..e7dc899 --- /dev/null +++ b/src/slalib/sun67.htx/node155.html @@ -0,0 +1,110 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<!--Converted with LaTeX2HTML 97.1 (release) (July 13th, 1997) + 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 Lippman, Marek Rouchal, Martin Wilck and others --> +<HTML> +<HEAD> +<TITLE>SLA_PRENUT - Precession/Nutation Matrix</TITLE> +<META NAME="description" CONTENT="SLA_PRENUT - Precession/Nutation Matrix"> +<META NAME="keywords" CONTENT="sun67"> +<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="sun67.css"> +<LINK REL="next" HREF="node156.html"> +<LINK REL="previous" HREF="node154.html"> +<LINK REL="up" HREF="node13.html"> +<LINK REL="next" HREF="node156.html"> +</HEAD> +<BODY > +<BR> <HR> +<A NAME="tex2html1976" HREF="node156.html"> +<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next_motif.gif"></A> +<A NAME="tex2html1974" HREF="node13.html"> +<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_motif.gif"></A> +<A NAME="tex2html1968" HREF="node154.html"> +<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="previous_motif.gif"></A> <A HREF="sun67.html#stardoccontents"><IMG ALIGN="BOTTOM" BORDER="0" + SRC="contents_motif.gif"></A> +<BR> +<B> Next:</B> <A NAME="tex2html1977" HREF="node156.html">SLA_PV2EL - Orbital Elements from Position/Velocity</A> +<BR> +<B>Up:</B> <A NAME="tex2html1975" HREF="node13.html">SUBPROGRAM SPECIFICATIONS</A> +<BR> +<B> Previous:</B> <A NAME="tex2html1969" HREF="node154.html">SLA_PRECL - Precession Matrix (latest)</A> +<BR> <HR> <P> +<P><!--End of Navigation Panel--> +<H2><A NAME="SECTION0004142000000000000000">SLA_PRENUT - Precession/Nutation Matrix</A> +<A NAME="xref_SLA_PRENUT"> </A><A NAME="SLA_PRENUT"> </A> +</H2> + <DL> +<DT><STRONG>ACTION:</STRONG> +<DD>Form the matrix of precession and nutation (IAU 1976, FK5). +<DT><STRONG>CALL:</STRONG> +<DD><TT>CALL sla_PRENUT (EPOCH, DATE, RMATPN)</TT> +<P> </DL> +<P> <DL> +<DT><STRONG>GIVEN:</STRONG> +<DD> +<BR> +<TABLE CELLPADDING=3> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>EPOCH</EM></TD> +<TH ALIGN="LEFT"><B>D</B></TH> +<TD ALIGN="LEFT" NOWRAP>Julian Epoch for mean coordinates</TD> +</TR> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>DATE</EM></TD> +<TD ALIGN="LEFT"><B>D</B></TD> +<TD ALIGN="LEFT" NOWRAP>Modified Julian Date (JD-2400000.5) +for true coordinates</TD> +</TR> +</TABLE></DL> +<P> <DL> +<DT><STRONG>RETURNED:</STRONG> +<DD> +<BR> +<TABLE CELLPADDING=3> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>RMATPN</EM></TD> +<TH ALIGN="LEFT"><B>D(3,3)</B></TH> +<TD ALIGN="LEFT" NOWRAP>combined precession/nutation matrix</TD> +</TR> +</TABLE></DL> +<P> <DL> +<DT><STRONG>NOTES:</STRONG> +<DD><DL COMPACT> +<DT>1. +<DD>The epoch and date are TDB. +<DT>2. +<DD>The matrix is in the sense: +<BLOCKQUOTE><B>v</B><SUB><I>true</I></SUB> = <B>M</B><IMG WIDTH="7" HEIGHT="14" ALIGN="BOTTOM" BORDER="0" + SRC="img72.gif" + ALT="$\cdot$"><B>v</B><SUB><I>mean</I></SUB></BLOCKQUOTE> + where <B>v</B><SUB><I>true</I></SUB> is the star vector relative to the + true equator and equinox of epoch DATE, <B>M</B> is the + <IMG WIDTH="39" HEIGHT="25" ALIGN="MIDDLE" BORDER="0" + SRC="img18.gif" + ALT="$3\times3$"> matrix RMATPN and + <B>v</B><SUB><I>mean</I></SUB> is the star vector relative to the + mean equator and equinox of epoch EPOCH. + </DL></DL> +<BR> <HR> +<A NAME="tex2html1976" HREF="node156.html"> +<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next_motif.gif"></A> +<A NAME="tex2html1974" HREF="node13.html"> +<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_motif.gif"></A> +<A NAME="tex2html1968" HREF="node154.html"> +<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="previous_motif.gif"></A> <A HREF="sun67.html#stardoccontents"><IMG ALIGN="BOTTOM" BORDER="0" + SRC="contents_motif.gif"></A> +<BR> +<B> Next:</B> <A NAME="tex2html1977" HREF="node156.html">SLA_PV2EL - Orbital Elements from Position/Velocity</A> +<BR> +<B>Up:</B> <A NAME="tex2html1975" HREF="node13.html">SUBPROGRAM SPECIFICATIONS</A> +<BR> +<B> Previous:</B> <A NAME="tex2html1969" HREF="node154.html">SLA_PRECL - Precession Matrix (latest)</A> +<BR> <HR> <P> +<P><!--End of Navigation Panel--> +<ADDRESS> +<I>SLALIB --- Positional Astronomy Library<BR>Starlink User Note 67<BR>P. T. Wallace<BR>12 October 1999<BR>E-mail:ptw@star.rl.ac.uk</I> +</ADDRESS> +</BODY> +</HTML> |