Precession-nutation procedures (IAU 2006) (Wallace+, 2006)

Details Precession-nutation procedures (IAU 2006) (Wallace+, 2006) Precession-nutation procedures (IAU 2006) (Wallace+, 2006)

Nov 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ycat..34590981w&link_type=abstract

VizieR On-line Data Catalog: J/A+A/459/981. Originally published in: 2006A&A...459..981W

Physics

Positional Data, Ephemerides, Earth

Scientific paper

The three tables contain the coefficients of the series developments for generating the coordinates of the celestial intermediate pole and the quantity s+XY/2 (and hence s) for the P03 precession model (Capitaine et al., 2003A&A...412..567C) with the IAU 2000A nutation. Each table contains the coefficients in microarcseconds (uas) of the series developments (i.e. Fourier and Poisson terms) as functions of (terrestrial) time t (expressed in centuries since J2000.0) for the quantities X, Y and s+XY/2, respectively, retaining all terms where the sum of the absolute values of the two amplitude coefficients is at least 0.1uas.
The general formula for a quantity V is:
V = Sumi)j=0,5 [(S{j})i*tj*sin(ARG) + C{j})_i*cos(ARG)]*tj]
where, for X and Y:
ARG = nl*l + nl'*l' + nF*F + nD*D + nOm*Om +nLMe*LMe + nLV*LV + nLE*LE + nLMa*LMa + nLJ*LJ + nLS*LS + nLU*LU + nLN*LN +npa*pa
and, for s+XY/2:
ARG = nl*l + nl'*l' + nF*F + nD*D + nOm*Om + nLV*LV + nLE*LE +npa*pa
l, l', F, D, Om, LMe, LV, LE, LMa, LJ, LS, LU, LN, pa being the fundamental lunisolar and planetary arguments of the nutation theory.
(3 data files).

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