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diff --git a/src/slalib/sun67.htx/node44.html b/src/slalib/sun67.htx/node44.html new file mode 100644 index 0000000..791aba6 --- /dev/null +++ b/src/slalib/sun67.htx/node44.html @@ -0,0 +1,109 @@ +<!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_DAT - TAI-UTC</TITLE> +<META NAME="description" CONTENT="SLA_DAT - TAI-UTC"> +<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="node45.html"> +<LINK REL="previous" HREF="node43.html"> +<LINK REL="up" HREF="node13.html"> +<LINK REL="next" HREF="node45.html"> +</HEAD> +<BODY > +<BR> <HR> +<A NAME="tex2html866" HREF="node45.html"> +<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next_motif.gif"></A> +<A NAME="tex2html864" HREF="node13.html"> +<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_motif.gif"></A> +<A NAME="tex2html858" HREF="node43.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="tex2html867" HREF="node45.html">SLA_DAV2M - Rotation Matrix from Axial Vector</A> +<BR> +<B>Up:</B> <A NAME="tex2html865" HREF="node13.html">SUBPROGRAM SPECIFICATIONS</A> +<BR> +<B> Previous:</B> <A NAME="tex2html859" HREF="node43.html">SLA_DAFIN - Sexagesimal character string to angle</A> +<BR> <HR> <P> +<P><!--End of Navigation Panel--> +<H2><A NAME="SECTION000431000000000000000">SLA_DAT - TAI-UTC</A> +<A NAME="xref_SLA_DAT"> </A><A NAME="SLA_DAT"> </A> +</H2> + <DL> +<DT><STRONG>ACTION:</STRONG> +<DD>Increment to be applied to Coordinated Universal Time UTC to give +International Atomic Time TAI. +<P> <DT><STRONG>CALL:</STRONG> +<DD><TT>D = sla_DAT (UTC)</TT> +<P> </DL> +<P> <DL> +<DT><STRONG>GIVEN:</STRONG> +<DD> +<BR> +<TABLE CELLPADDING=3> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>UTC</EM></TD> +<TH ALIGN="LEFT"><B>D</B></TH> +<TD ALIGN="LEFT" NOWRAP>UTC date as a modified JD (JD-2400000.5)</TD> +</TR> +</TABLE></DL> +<P> <DL> +<DT><STRONG>RETURNED:</STRONG> +<DD> +<BR> +<TABLE CELLPADDING=3> +<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>sla_DAT</EM></TD> +<TH ALIGN="LEFT"><B>D</B></TH> +<TD ALIGN="LEFT" NOWRAP>TAI-UTC in seconds</TD> +</TR> +</TABLE></DL> +<P> <DL> +<DT><STRONG>NOTES:</STRONG> +<DD><DL COMPACT> +<DT>1. +<DD>The UTC is specified to be a date rather than a time to indicate +that care needs to be taken not to specify an instant which lies +within a leap second. Though in most cases UTC can include the + fractional part, correct behaviour on the day of a leap second + can be guaranteed only up to the end of the second + <IMG WIDTH="82" HEIGHT="17" ALIGN="BOTTOM" BORDER="0" + SRC="img54.gif" + ALT="$23^{\rm h}\,59^{\rm m}\,59^{\rm s}$">. <DT>2. +<DD>UTC began at 1960 January 1. To specify a UTC prior to this + date would be meaningless; in such cases the parameters + for the year 1960 are used by default. + <DT>3. +<DD>This routine has to be updated on each occasion that a + leap second is announced, and programs using it relinked. + Refer to the program source code for information on when the + most recent leap second was added. + </DL></DL> +<BR> <HR> +<A NAME="tex2html866" HREF="node45.html"> +<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next_motif.gif"></A> +<A NAME="tex2html864" HREF="node13.html"> +<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_motif.gif"></A> +<A NAME="tex2html858" HREF="node43.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="tex2html867" HREF="node45.html">SLA_DAV2M - Rotation Matrix from Axial Vector</A> +<BR> +<B>Up:</B> <A NAME="tex2html865" HREF="node13.html">SUBPROGRAM SPECIFICATIONS</A> +<BR> +<B> Previous:</B> <A NAME="tex2html859" HREF="node43.html">SLA_DAFIN - Sexagesimal character string to angle</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> |