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diff --git a/src/slalib/sun67.htx/node170.html b/src/slalib/sun67.htx/node170.html new file mode 100644 index 0000000..3f0f1a1 --- /dev/null +++ b/src/slalib/sun67.htx/node170.html @@ -0,0 +1,111 @@ +<!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_RVEROT - RV Corrn to Earth Centre</TITLE> +<META NAME="description" CONTENT="SLA_RVEROT - RV Corrn to Earth Centre"> +<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="node171.html"> +<LINK REL="previous" HREF="node169.html"> +<LINK REL="up" HREF="node13.html"> +<LINK REL="next" HREF="node171.html"> +</HEAD> +<BODY > +<BR> <HR> +<A NAME="tex2html2126" HREF="node171.html"> +<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next_motif.gif"></A> +<A NAME="tex2html2124" HREF="node13.html"> +<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_motif.gif"></A> +<A NAME="tex2html2118" HREF="node169.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="tex2html2127" HREF="node171.html">SLA_RVGALC - RV Corrn to Galactic Centre</A> +<BR> +<B>Up:</B> <A NAME="tex2html2125" HREF="node13.html">SUBPROGRAM SPECIFICATIONS</A> +<BR> +<B> Previous:</B> <A NAME="tex2html2119" HREF="node169.html">SLA_REFZ - Apply Refraction to ZD</A> +<BR> <HR> <P> +<P><!--End of Navigation Panel--> +<H2><A NAME="SECTION0004157000000000000000">SLA_RVEROT - RV Corrn to Earth Centre</A> +<A NAME="xref_SLA_RVEROT"> </A><A NAME="SLA_RVEROT"> </A> +</H2> + <DL> +<DT><STRONG>ACTION:</STRONG> +<DD>Velocity component in a given direction due to Earth rotation. +<DT><STRONG>CALL:</STRONG> +<DD><TT>R = sla_RVEROT (PHI, RA, DA, ST)</TT> +<P> </DL> +<P> <DL> +<DT><STRONG>GIVEN:</STRONG> +<DD> +<BR> +<TABLE CELLPADDING=3> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>PHI</EM></TD> +<TH ALIGN="LEFT"><B>R</B></TH> +<TD ALIGN="LEFT" NOWRAP>geodetic latitude of observing station (radians)</TD> +</TR> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>RA,DA</EM></TD> +<TD ALIGN="LEFT"><B>R</B></TD> +<TD ALIGN="LEFT" NOWRAP>apparent <IMG WIDTH="42" HEIGHT="29" ALIGN="MIDDLE" BORDER="0" + SRC="img3.gif" + ALT="$[\,\alpha,\delta\,]$"> (radians)</TD> +</TR> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>ST</EM></TD> +<TD ALIGN="LEFT"><B>R</B></TD> +<TD ALIGN="LEFT" NOWRAP>local apparent sidereal time (radians)</TD> +</TR> +</TABLE></DL> +<P> <DL> +<DT><STRONG>RETURNED:</STRONG> +<DD> +<BR> +<TABLE CELLPADDING=3> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>sla_RVEROT</EM></TD> +<TH ALIGN="LEFT"><B>R</B></TH> +<TD ALIGN="LEFT" NOWRAP>Component of Earth rotation in +direction RA,DA (km s<SUP>-1</SUP>)</TD> +</TR> +</TABLE></DL> +<P> <DL> +<DT><STRONG>NOTES:</STRONG> +<DD><DL COMPACT> +<DT>1. +<DD>Sign convention: the result is positive when the observatory +is receding from the given point on the sky. +<DT>2. +<DD>Accuracy: the simple algorithm used assumes a spherical Earth and + an observing station at sea level; for actual observing + sites, the error is unlikely to be greater than 0.0005 km s<SUP>-1</SUP>. + For applications requiring greater precision, use the routine + sla_PVOBS. + </DL></DL> +<BR> <HR> +<A NAME="tex2html2126" HREF="node171.html"> +<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next_motif.gif"></A> +<A NAME="tex2html2124" HREF="node13.html"> +<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_motif.gif"></A> +<A NAME="tex2html2118" HREF="node169.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="tex2html2127" HREF="node171.html">SLA_RVGALC - RV Corrn to Galactic Centre</A> +<BR> +<B>Up:</B> <A NAME="tex2html2125" HREF="node13.html">SUBPROGRAM SPECIFICATIONS</A> +<BR> +<B> Previous:</B> <A NAME="tex2html2119" HREF="node169.html">SLA_REFZ - Apply Refraction to ZD</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> |