Sideral time in Gamma50 (Veis) frame
[gmst,[gmstp]] = CL_mod_sidTimeG50(cjd_ut1])
Computes the sideral time relative to Gamma50 Veis reference frame.
It also optionally computes the first derivative of the sideral time : gmstp, which is a constant value.
Modified (1950.0) julian day in UT1 time scale (1xN)
Gamma50 Veis sideral time [rad] (1xN)
Gamma50 Veis sideral time first derivative [rad/s] (1xN)
1) CNES - MSLIB FORTRAN 90, Volume R (mr_tsid_veis)
CNES - DCT/SB