A determination of the errors in the 1980 IAU principal nutation constants

Details A determination of the errors in the 1980 IAU principal nutation constants A determination of the errors in the 1980 IAU principal nutation constants

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989acasn..30...39l&link_type=abstract

(Acta Astronomica Sinica, vol. 30, no. 1, 1989, p. 39-44) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 13, Sept. 19

Astronomy and Astrophysics

Astrophysics

1

Astrometry, Earth Orientation, Error Analysis, Nutation, Accuracy, Earth Rotation

Scientific paper

A determination of the errors in the principal nutation terms of the 1980 IAU Theory of Nutation is made using the improved BIH astrometric data of the years 1962-82. The present results have an accuracy of 1 mas. Comparison with the results from other techniques shows evidence that the 1980 principal nutation terms may need to be corrected by a few units in mas.

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