aboutsummaryrefslogtreecommitdiff
path: root/math/slalib/doc/nutc.hlp
diff options
context:
space:
mode:
authorJoseph Hunkeler <jhunkeler@gmail.com>2015-07-08 20:46:52 -0400
committerJoseph Hunkeler <jhunkeler@gmail.com>2015-07-08 20:46:52 -0400
commitfa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 (patch)
treebdda434976bc09c864f2e4fa6f16ba1952b1e555 /math/slalib/doc/nutc.hlp
downloadiraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz
Initial commit
Diffstat (limited to 'math/slalib/doc/nutc.hlp')
-rw-r--r--math/slalib/doc/nutc.hlp33
1 files changed, 33 insertions, 0 deletions
diff --git a/math/slalib/doc/nutc.hlp b/math/slalib/doc/nutc.hlp
new file mode 100644
index 00000000..b028219d
--- /dev/null
+++ b/math/slalib/doc/nutc.hlp
@@ -0,0 +1,33 @@
+.help nutc Jun99 "Slalib Package"
+.nf
+
+ SUBROUTINE slNUTC (DATE, DPSI, DEPS, EPS0)
+
+ - - - - -
+ N U T C
+ - - - - -
+
+ Nutation: longitude & obliquity components and mean
+ obliquity - IAU 1980 theory (double precision)
+
+ Given:
+
+ DATE dp TDB (loosely ET) as Modified Julian Date
+ (JD-2400000.5)
+ Returned:
+
+ DPSI,DEPS dp nutation in longitude,obliquity
+ EPS0 dp mean obliquity
+
+ References:
+ Final report of the IAU Working Group on Nutation,
+ chairman P.K.Seidelmann, 1980.
+ Kaplan,G.H., 1981, USNO circular no. 163, pA3-6.
+
+ P.T.Wallace Starlink 23 August 1996
+
+ Copyright (C) 1996 Rutherford Appleton Laboratory
+ Copyright (C) 1995 Association of Universities for Research in Astronomy Inc.
+
+.fi
+.endhelp