diff options
| 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/prenut.hlp | |
| download | iraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz | |
Repatch (from linux) of OSX IRAF
Diffstat (limited to 'math/slalib/doc/prenut.hlp')
| -rw-r--r-- | math/slalib/doc/prenut.hlp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/math/slalib/doc/prenut.hlp b/math/slalib/doc/prenut.hlp new file mode 100644 index 00000000..bbe3ceff --- /dev/null +++ b/math/slalib/doc/prenut.hlp @@ -0,0 +1,35 @@ +.help prenut Jun99 "Slalib Package" +.nf + + SUBROUTINE slPRNU (EPOCH, DATE, RMATPN) + + - - - - - - - + P R N U + - - - - - - - + + Form the matrix of precession and nutation (IAU1976/FK5) + (double precision) + + Given: + EPOCH dp Julian Epoch for mean coordinates + DATE dp Modified Julian Date (JD-2400000.5) + for true coordinates + + Returned: + RMATPN dp(3,3) combined precession/nutation matrix + + Called: slPREC, slEPJ, slNUT, slDMXM + + Notes: + + 1) The epoch and date are TDB (loosely ET). + + 2) The matrix is in the sense V(true) = RMATPN * V(mean) + + P.T.Wallace Starlink April 1987 + + Copyright (C) 1995 Rutherford Appleton Laboratory + Copyright (C) 1995 Association of Universities for Research in Astronomy Inc. + +.fi +.endhelp |