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On the Effect of the Scale Value on the Principal Nutation Terms Derived from the ILS Data

Published online by Cambridge University Press:  14 August 2015

E. A. Yablokov
E. A. Yablokov*
Affiliation:
Latitude Station, Gorky University, Gorky, 603062, USSR

Extract

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The scale values used in the work of the International Latitude Service are known to be in some cases evidently erroneous. After trying various methods to improve these values, E. P. Fedorov (1963) decided on the one based on the computation of the mean latitudes obtained from observations of the pairs with zenith distances of opposite sign.

Type
Session II
Information
Symposium - International Astronomical Union , Volume 78: Nutation and the Earth's Rotation , 1980 , pp. 33 - 34
Copyright
Copyright © Reidel 1980 

References

Fedorov, E.P.: 1963, Nutation and Forced Motion of the Earth's Pole from the Data of Latitude Observations, New York, Pergamon Press.Google Scholar
Fedorov, E.P.: 1965, Some recent studies of nutation in the USSR, Bulletin Astronomique 25, 115–118.Google Scholar
Melchior, P. and Dejaffe, R.: 1971, Catalogue of ILS and IPMS stars, in Extra Collection of Papers Contributed to the IAU Symposium No. 48, “Rotation of the Earth,” Mizusawa, 47.Google Scholar