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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/node94.html | |
| download | calfuse-d54fe7c1f704a63824c5bfa0ece65245572e9b27.tar.gz | |
Initial commit
Diffstat (limited to 'src/slalib/sun67.htx/node94.html')
| -rw-r--r-- | src/slalib/sun67.htx/node94.html | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/slalib/sun67.htx/node94.html b/src/slalib/sun67.htx/node94.html new file mode 100644 index 0000000..e71fda8 --- /dev/null +++ b/src/slalib/sun67.htx/node94.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_EPCO - Convert Epoch to B or J</TITLE> +<META NAME="description" CONTENT="SLA_EPCO - Convert Epoch to B or J"> +<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="node95.html"> +<LINK REL="previous" HREF="node93.html"> +<LINK REL="up" HREF="node13.html"> +<LINK REL="next" HREF="node95.html"> +</HEAD> +<BODY > +<BR> <HR> +<A NAME="tex2html1366" HREF="node95.html"> +<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next_motif.gif"></A> +<A NAME="tex2html1364" HREF="node13.html"> +<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_motif.gif"></A> +<A NAME="tex2html1358" HREF="node93.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="tex2html1367" HREF="node95.html">SLA_EPJ - MJD to Julian Epoch</A> +<BR> +<B>Up:</B> <A NAME="tex2html1365" HREF="node13.html">SUBPROGRAM SPECIFICATIONS</A> +<BR> +<B> Previous:</B> <A NAME="tex2html1359" HREF="node93.html">SLA_EPB2D - Besselian Epoch to MJD</A> +<BR> <HR> <P> +<P><!--End of Navigation Panel--> +<H2><A NAME="SECTION000481000000000000000">SLA_EPCO - Convert Epoch to B or J</A> +<A NAME="xref_SLA_EPCO"> </A><A NAME="SLA_EPCO"> </A> +</H2> + <DL> +<DT><STRONG>ACTION:</STRONG> +<DD>Convert an epoch to Besselian or Julian to match another one. +<DT><STRONG>CALL:</STRONG> +<DD><TT>D = sla_EPCO (K0, K, E)</TT> +<P> </DL> +<P> <DL> +<DT><STRONG>GIVEN:</STRONG> +<DD> +<BR> +<TABLE CELLPADDING=3> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>K0</EM></TD> +<TH ALIGN="LEFT"><B>C</B></TH> +<TD ALIGN="LEFT" NOWRAP>form of result: `B'=Besselian, `J'=Julian</TD> +</TR> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>K</EM></TD> +<TD ALIGN="LEFT"><B>C</B></TD> +<TD ALIGN="LEFT" NOWRAP>form of given epoch: `B' or `J'</TD> +</TR> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>E</EM></TD> +<TD ALIGN="LEFT"><B>D</B></TD> +<TD ALIGN="LEFT" NOWRAP>epoch</TD> +</TR> +</TABLE></DL> +<P> <DL> +<DT><STRONG>RETURNED:</STRONG> +<DD> +<BR> +<TABLE CELLPADDING=3> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>sla_EPCO</EM></TD> +<TH ALIGN="LEFT"><B>D</B></TH> +<TD ALIGN="LEFT" NOWRAP>the given epoch converted as necessary</TD> +</TR> +</TABLE></DL> +<P> <DL> +<DT><STRONG>NOTES:</STRONG> +<DD><DL COMPACT> +<DT>1. +<DD>The result is always either equal to or very close to +the given epoch E. The routine is required only in +applications where punctilious treatment of heterogeneous + mixtures of star positions is necessary. + <DT>2. +<DD>K0 and K are not validated. They are interpreted as follows: + <UL> +<LI> If K0 and K are the same, the result is E. +<LI> If K0 is `B' and K isn't, the conversion is J to B. +<LI> In all other cases, the conversion is B to J. + </UL></DL></DL> +<BR> <HR> +<A NAME="tex2html1366" HREF="node95.html"> +<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next_motif.gif"></A> +<A NAME="tex2html1364" HREF="node13.html"> +<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_motif.gif"></A> +<A NAME="tex2html1358" HREF="node93.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="tex2html1367" HREF="node95.html">SLA_EPJ - MJD to Julian Epoch</A> +<BR> +<B>Up:</B> <A NAME="tex2html1365" HREF="node13.html">SUBPROGRAM SPECIFICATIONS</A> +<BR> +<B> Previous:</B> <A NAME="tex2html1359" HREF="node93.html">SLA_EPB2D - Besselian Epoch to MJD</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> |