.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