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| author | Joe Hunkeler <jhunkeler@gmail.com> | 2015-08-11 16:51:37 -0400 |
|---|---|---|
| committer | Joe Hunkeler <jhunkeler@gmail.com> | 2015-08-11 16:51:37 -0400 |
| commit | 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 (patch) | |
| tree | 4464880c571602d54f6ae114729bf62a89518057 /math/slalib/doc/eqeqx.hlp | |
| download | iraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz | |
Repatch (from linux) of OSX IRAF
Diffstat (limited to 'math/slalib/doc/eqeqx.hlp')
| -rw-r--r-- | math/slalib/doc/eqeqx.hlp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/math/slalib/doc/eqeqx.hlp b/math/slalib/doc/eqeqx.hlp new file mode 100644 index 00000000..35da9ab4 --- /dev/null +++ b/math/slalib/doc/eqeqx.hlp @@ -0,0 +1,33 @@ +.help eqeqx Jun99 "Slalib Package" +.nf + + DOUBLE PRECISION FUNCTION slEQEX (DATE) + + - - - - - - + E Q E X + - - - - - - + + Equation of the equinoxes (IAU 1994, double precision) + + Given: + DATE dp TDB (loosely ET) as Modified Julian Date + (JD-2400000.5) + + The result is the equation of the equinoxes (double precision) + in radians: + + Greenwich apparent ST = GMST + slEQEX + + References: IAU Resolution C7, Recommendation 3 (1994) + Capitaine, N. & Gontier, A.-M., Astron. Astrophys., + 275, 645-650 (1993) + + Called: slNUTC + + Patrick Wallace Starlink 23 August 1996 + + Copyright (C) 1996 Rutherford Appleton Laboratory + Copyright (C) 1995 Association of Universities for Research in Astronomy Inc. + +.fi +.endhelp |