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| author | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-03-04 21:21:30 -0500 |
|---|---|---|
| committer | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-03-04 21:21:30 -0500 |
| commit | d54fe7c1f704a63824c5bfa0ece65245572e9b27 (patch) | |
| tree | afc52015ffc2c74e0266653eecef1c8ef8ba5d91 /src/slalib/sun67.htx/node119.html | |
| download | calfuse-d54fe7c1f704a63824c5bfa0ece65245572e9b27.tar.gz | |
Initial commit
Diffstat (limited to 'src/slalib/sun67.htx/node119.html')
| -rw-r--r-- | src/slalib/sun67.htx/node119.html | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/src/slalib/sun67.htx/node119.html b/src/slalib/sun67.htx/node119.html new file mode 100644 index 0000000..9133db9 --- /dev/null +++ b/src/slalib/sun67.htx/node119.html @@ -0,0 +1,188 @@ +<!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_H2FK5 - Hipparcos to FK5</TITLE> +<META NAME="description" CONTENT="SLA_H2FK5 - Hipparcos to FK5"> +<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="node120.html"> +<LINK REL="previous" HREF="node118.html"> +<LINK REL="up" HREF="node13.html"> +<LINK REL="next" HREF="node120.html"> +</HEAD> +<BODY > +<BR> <HR> +<A NAME="tex2html1616" HREF="node120.html"> +<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next_motif.gif"></A> +<A NAME="tex2html1614" HREF="node13.html"> +<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_motif.gif"></A> +<A NAME="tex2html1608" HREF="node118.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="tex2html1617" HREF="node120.html">SLA_HFK5Z - Hipparcos to FK5, no P.M.</A> +<BR> +<B>Up:</B> <A NAME="tex2html1615" HREF="node13.html">SUBPROGRAM SPECIFICATIONS</A> +<BR> +<B> Previous:</B> <A NAME="tex2html1609" HREF="node118.html">SLA_H2E - Az,El to</A> +<BR> <HR> <P> +<P><!--End of Navigation Panel--> +<H2><A NAME="SECTION0004106000000000000000">SLA_H2FK5 - Hipparcos to FK5</A> +<A NAME="xref_SLA_H2FK5"> </A><A NAME="SLA_H2FK5"> </A> +</H2> + <DL> +<DT><STRONG>ACTION:</STRONG> +<DD>Transform a Hipparcos star position and proper motion +into the FK5 (J2000) frame. +<P> <DT><STRONG>CALL:</STRONG> +<DD><TT>CALL sla_H2FK5 (RH,DH,DRH,DDH,R5,D5,DR5,DD5)</TT> +<P> </DL> +<P> <DL> +<DT><STRONG>GIVEN:</STRONG> +<DD> +<BR> +<TABLE CELLPADDING=3> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>RH</EM></TD> +<TH ALIGN="LEFT"><B>D</B></TH> +<TD ALIGN="LEFT" NOWRAP>Hipparcos <IMG WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0" + SRC="img24.gif" + ALT="$\alpha$"> (radians)</TD> +</TR> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>DH</EM></TD> +<TD ALIGN="LEFT"><B>D</B></TD> +<TD ALIGN="LEFT" NOWRAP>Hipparcos <IMG WIDTH="10" HEIGHT="13" ALIGN="BOTTOM" BORDER="0" + SRC="img23.gif" + ALT="$\delta$"> (radians)</TD> +</TR> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>DRH</EM></TD> +<TD ALIGN="LEFT"><B>D</B></TD> +<TD ALIGN="LEFT" NOWRAP>Hipparcos proper motion in <IMG WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0" + SRC="img24.gif" + ALT="$\alpha$">(radians per Julian year)</TD> +</TR> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>DDH</EM></TD> +<TD ALIGN="LEFT"><B>D</B></TD> +<TD ALIGN="LEFT" NOWRAP>Hipparcos proper motion in <IMG WIDTH="10" HEIGHT="13" ALIGN="BOTTOM" BORDER="0" + SRC="img23.gif" + ALT="$\delta$">(radians per Julian year)</TD> +</TR> +</TABLE></DL> +<P> <DL> +<DT><STRONG>RETURNED:</STRONG> +<DD> +<BR> +<TABLE CELLPADDING=3> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>R5</EM></TD> +<TH ALIGN="LEFT"><B>D</B></TH> +<TD ALIGN="LEFT" NOWRAP>J2000.0 FK5 <IMG WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0" + SRC="img24.gif" + ALT="$\alpha$"> (radians)</TD> +</TR> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>D5</EM></TD> +<TD ALIGN="LEFT"><B>D</B></TD> +<TD ALIGN="LEFT" NOWRAP>J2000.0 FK5 <IMG WIDTH="10" HEIGHT="13" ALIGN="BOTTOM" BORDER="0" + SRC="img23.gif" + ALT="$\delta$"> (radians)</TD> +</TR> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>DR5</EM></TD> +<TD ALIGN="LEFT"><B>D</B></TD> +<TD ALIGN="LEFT" NOWRAP>J2000.0 FK5 proper motion in <IMG WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0" + SRC="img24.gif" + ALT="$\alpha$">(radians per Julian year)</TD> +</TR> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>DD5</EM></TD> +<TD ALIGN="LEFT"><B>D</B></TD> +<TD ALIGN="LEFT" NOWRAP>FK5 J2000.0 proper motion in <IMG WIDTH="10" HEIGHT="13" ALIGN="BOTTOM" BORDER="0" + SRC="img23.gif" + ALT="$\delta$">(radians per Julian year)</TD> +</TR> +</TABLE></DL> +<P> <DL> +<DT><STRONG>NOTES:</STRONG> +<DD><DL COMPACT> +<DT>1. +<DD>The <IMG WIDTH="13" HEIGHT="14" ALIGN="BOTTOM" BORDER="0" + SRC="img24.gif" + ALT="$\alpha$"> proper motions are <IMG WIDTH="13" HEIGHT="13" ALIGN="BOTTOM" BORDER="0" + SRC="img115.gif" + ALT="$\dot{\alpha}$"> rather than +<IMG WIDTH="48" HEIGHT="13" ALIGN="BOTTOM" BORDER="0" + SRC="img116.gif" + ALT="$\dot{\alpha}\cos\delta$">, and are per year rather than per century. +<DT>2. +<DD>The FK5 to Hipparcos + transformation consists of a pure rotation and spin; + zonal errors in the FK5 catalogue are not taken into account. + <DT>3. +<DD>The adopted epoch J2000.0 FK5 to Hipparcos orientation and spin + values are as follows (see reference): +<P> <BR> +<BR> +<BR> +<P> + <TABLE CELLPADDING=3 BORDER="1"> +<TR VALIGN="TOP"><TD ALIGN="RIGHT" NOWRAP> </TD> +<TH ALIGN="CENTER" NOWRAP COLSPAN=1><I>orientation</I></TH> +<TH ALIGN="CENTER" NOWRAP COLSPAN=1><I> spin </I></TH> +</TR> +<TR VALIGN="TOP"><TD ALIGN="RIGHT" NOWRAP><I>x</I></TD> +<TD ALIGN="RIGHT" NOWRAP>-19.9 </TD> +<TD ALIGN="RIGHT" NOWRAP> -0.30 </TD> +</TR> +<TR VALIGN="TOP"><TD ALIGN="RIGHT" NOWRAP><I>y</I></TD> +<TD ALIGN="RIGHT" NOWRAP>-9.1 </TD> +<TD ALIGN="RIGHT" NOWRAP> +0.60 </TD> +</TR> +<TR VALIGN="TOP"><TD ALIGN="RIGHT" NOWRAP><I>z</I></TD> +<TD ALIGN="RIGHT" NOWRAP>+22.9 </TD> +<TD ALIGN="RIGHT" NOWRAP> +0.70 </TD> +</TR> +<TR VALIGN="TOP"><TD ALIGN="RIGHT" NOWRAP> </TD> +<TD ALIGN="RIGHT" NOWRAP><I>mas</I> </TD> +<TD ALIGN="RIGHT" NOWRAP> <I>mas/y</I> </TD> +</TR> +</TABLE> +<P> <BR> +<BR> +<BR> +<BR> +<P> +These orientation and spin components are interpreted as + <I>axial vectors.</I> An axial vector points at the pole of + the rotation and its length is the amount of rotation in radians. + <DT>4. +<DD>See also sla_FK52H, sla_FK5HZ, sla_HFK5Z. + </DL></DL> +<P> <DL> +<DT><STRONG>REFERENCE:</STRONG> +<DD>Feissel, M. & Mignard, F., 1998., <I>Astron.Astrophys.</I> <B>331</B>, L33-L36. + </DL> +<BR> <HR> +<A NAME="tex2html1616" HREF="node120.html"> +<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next_motif.gif"></A> +<A NAME="tex2html1614" HREF="node13.html"> +<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_motif.gif"></A> +<A NAME="tex2html1608" HREF="node118.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="tex2html1617" HREF="node120.html">SLA_HFK5Z - Hipparcos to FK5, no P.M.</A> +<BR> +<B>Up:</B> <A NAME="tex2html1615" HREF="node13.html">SUBPROGRAM SPECIFICATIONS</A> +<BR> +<B> Previous:</B> <A NAME="tex2html1609" HREF="node118.html">SLA_H2E - Az,El to</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> |