slaNutc -

SYNOPSYS

PARAMETERS

double date

double *dpsi

double *deps

double *eps0

DESCRIPTION

  Nutation:  longitude & obliquity components and
             mean obliquity (IAU 1980 theory).

  (double precision)

References

     Final report of the IAU working group on nutation,
      chairman P.K.Seidelmann, 1980.
     Kaplan,G.H., 1981, USNO circular No. 163, pa3-6.

Given

     date        double    TDB (loosely ET) as Modified Julian Date
                                            (JD-2400000.5)

Returned

     *dpsi,*deps double    nutation in longitude,obliquity
     *eps0       double    mean obliquity

  Defined in slamac.h:  DAS2R

  P.T.Wallace   Starlink   31 October 1993

SEE ALSO

• slalib.3