From d54fe7c1f704a63824c5bfa0ece65245572e9b27 Mon Sep 17 00:00:00 2001 From: Joseph Hunkeler Date: Wed, 4 Mar 2015 21:21:30 -0500 Subject: Initial commit --- src/slalib/sun67.htx/node87.html | 97 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 src/slalib/sun67.htx/node87.html (limited to 'src/slalib/sun67.htx/node87.html') diff --git a/src/slalib/sun67.htx/node87.html b/src/slalib/sun67.htx/node87.html new file mode 100644 index 0000000..5935487 --- /dev/null +++ b/src/slalib/sun67.htx/node87.html @@ -0,0 +1,97 @@ + + + + +SLA_ECLEQ - Ecliptic to Equatorial + + + + + + + + + + + + +
+ +next + +up + +previous +
+ Next: SLA_ECMAT - Form Matrix +
+Up: SUBPROGRAM SPECIFICATIONS +
+ Previous: SLA_EARTH - Approx Earth Pos/Vel +

+

+

SLA_ECLEQ - Ecliptic to Equatorial +   +

+
+
ACTION: +
Transformation from ecliptic longitude and latitude to +J2000.0 $[\,\alpha,\delta\,]$.

CALL: +
CALL sla_ECLEQ (DL, DB, DATE, DR, DD) +

+

+
GIVEN: +
+
+ + + + + + + + + +
DL,DBDecliptic longitude and latitude +(mean of date, IAU 1980 theory, radians)
DATEDTDB (formerly ET) as Modified Julian Date +(JD-2400000.5)
+

+
RETURNED: +
+
+ + + + + +
DR,DDDJ2000.0 mean $[\,\alpha,\delta\,]$ (radians)
+
+ +next + +up + +previous +
+ Next: SLA_ECMAT - Form Matrix +
+Up: SUBPROGRAM SPECIFICATIONS +
+ Previous: SLA_EARTH - Approx Earth Pos/Vel +

+

+

+SLALIB --- Positional Astronomy Library
Starlink User Note 67
P. T. Wallace
12 October 1999
E-mail:ptw@star.rl.ac.uk +
+ + -- cgit