A homogeneous z-term series of astrometric latitude observations (January 5, 1962-December 31, 1981)

Details A homogeneous z-term series of astrometric latitude observations (January 5, 1962-December 31, 1981) A homogeneous z-term series of astrometric latitude observations (January 5, 1962-December 31, 1981)

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26as...75..151l&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 75, no. 1, Oct. 1988, p. 151-156.

Astronomy and Astrophysics

Astrophysics

1

Celestial Geodesy, Earth Rotation, Latitude, Optical Measurement, Accuracy, Astrometry, Data Reduction, Tables (Data)

Scientific paper

Optical astrometric data for 1962-1982 has been reduced in order to redetermine the earth rotation parameters. A homogeneous series of z-terms of latitude observations has also been obtained. A total of 1461 z-terms at five-day intervals in the 20 years are given in this paper. The typical precisions of the z-terms are of the order of + or - 0.014 arcsec for the first five years and from + or - 0.008 arecsec to + or - 0.005 arcsec for the following years.

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