.help eqgal Jun99 "Slalib Package" .nf SUBROUTINE slEQGA (DR, DD, DL, DB) - - - - - - E Q G A - - - - - - Transformation from J2000.0 equatorial coordinates to IAU 1958 galactic coordinates (double precision) Given: DR,DD dp J2000.0 RA,Dec Returned: DL,DB dp galactic longitude and latitude L2,B2 (all arguments are radians) Called: slDS2C, slDMXV, slDC2S, slDA2P, slDA1P Note: The equatorial coordinates are J2000.0. Use the routine slEG50 if conversion from B1950.0 'FK4' coordinates is required. Reference: Blaauw et al, Mon.Not.R.Astron.Soc.,121,123 (1960) P.T.Wallace Starlink 21 September 1998 Copyright (C) 1998 Rutherford Appleton Laboratory Copyright (C) 1995 Association of Universities for Research in Astronomy Inc. .fi .endhelp