aboutsummaryrefslogtreecommitdiff
path: root/src/slalib/sun67.htx/node111.html
blob: 6e7927c2a34451ee2064ee41f817c205b86aa6d9 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
<!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_GALEQ - Galactic to J2000 </TITLE>
<META NAME="description" CONTENT="SLA_GALEQ - Galactic to J2000 ">
<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="node112.html">
<LINK REL="previous" HREF="node110.html">
<LINK REL="up" HREF="node13.html">
<LINK REL="next" HREF="node112.html">
</HEAD>
<BODY >
<BR> <HR>
<A NAME="tex2html1536" HREF="node112.html">
<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next_motif.gif"></A> 
<A NAME="tex2html1534" HREF="node13.html">
<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_motif.gif"></A> 
<A NAME="tex2html1528" HREF="node110.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="tex2html1537" HREF="node112.html">SLA_GALSUP - Galactic to Supergalactic</A>
<BR>
<B>Up:</B> <A NAME="tex2html1535" HREF="node13.html">SUBPROGRAM SPECIFICATIONS</A>
<BR>
<B> Previous:</B> <A NAME="tex2html1529" HREF="node110.html">SLA_FLOTIN - Decode a Real Number</A>
<BR> <HR> <P>
<P><!--End of Navigation Panel-->
<H2><A NAME="SECTION000498000000000000000">&#160;</A><A NAME="xref_SLA_GALEQ">&#160;</A><A NAME="SLA_GALEQ">&#160;</A>
<BR>
SLA_GALEQ - Galactic to J2000 <IMG WIDTH="28" HEIGHT="27" ALIGN="MIDDLE" BORDER="0"
 SRC="img91.gif"
 ALT="$\alpha,\delta$"></H2>
       <DL>
<DT><STRONG>ACTION:</STRONG>
<DD>Transformation from IAU 1958 galactic coordinates
to J2000.0 FK5 equatorial coordinates.
<P>    <DT><STRONG>CALL:</STRONG>
<DD><TT>CALL sla_GALEQ (DL, DB, DR, DD)</TT>
<P>       </DL>
<P>     <DL>
<DT><STRONG>GIVEN:</STRONG>
<DD>
<BR>
<TABLE CELLPADDING=3>
<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>DL,DB</EM></TD>
<TH ALIGN="LEFT"><B>D</B></TH>
<TD ALIGN="LEFT" NOWRAP>galactic longitude and latitude <IMG WIDTH="59" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
 SRC="img98.gif"
 ALT="$[\,l^{I\!I},b^{I\!I}\,]$"></TD>
</TR>
</TABLE></DL>
<P>     <DL>
<DT><STRONG>RETURNED:</STRONG>
<DD>
<BR>
<TABLE CELLPADDING=3>
<TR VALIGN="TOP"><TD ALIGN="LEFT"><EM>DR,DD</EM></TD>
<TH ALIGN="LEFT"><B>D</B></TH>
<TD ALIGN="LEFT" NOWRAP>J2000.0 <IMG WIDTH="42" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
 SRC="img3.gif"
 ALT="$[\,\alpha,\delta\,]$"></TD>
</TR>
</TABLE></DL>
<P>      <DL>
<DT><STRONG>NOTES:</STRONG>
<DD><DL COMPACT>
<DT>1.
<DD>All arguments are in radians.
<DT>2.
<DD>The equatorial coordinates are J2000.0 FK5.  Use the routine
sla_GE50 if conversion to B1950.0 FK4 coordinates is
                           required.
 </DL></DL>
<BR> <HR>
<A NAME="tex2html1536" HREF="node112.html">
<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next_motif.gif"></A> 
<A NAME="tex2html1534" HREF="node13.html">
<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up_motif.gif"></A> 
<A NAME="tex2html1528" HREF="node110.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="tex2html1537" HREF="node112.html">SLA_GALSUP - Galactic to Supergalactic</A>
<BR>
<B>Up:</B> <A NAME="tex2html1535" HREF="node13.html">SUBPROGRAM SPECIFICATIONS</A>
<BR>
<B> Previous:</B> <A NAME="tex2html1529" HREF="node110.html">SLA_FLOTIN - Decode a Real Number</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>