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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 |