Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj.....99.1024z&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 99, March 1990, p. 1024-1044.
Astronomy and Astrophysics
Astronomy
26
Earth (Planet), Nutation, Error Analysis, Satellite Orbits, Spectrum Analysis, Time Dependence, Very Long Base Interferometry
Scientific paper
The errors in the IAU nutation series detected by VLBI are examined. A new, consistent nutation series is derived for application in real data analysis. A model is proposed in which Wahr's (1981) normal mode expansion is retained and Wahr's numerical coefficients are revised, based on various geophysical mechanisms and in accordance with VLBI observations. This revised model is used to derive the whole new nutation series for the deformable earth from the nutation series for the rigid earth derived by Zhu et al. (1989). Tables of the final series are presented, including 130 terms when amplitudes less than 0.05 marcsec are neglected.
Groten Erwin
Reigber Ch.
Zhu Shi-Yao
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