Titlebook: Nutation and the Earth’s Rotation; E. P. Fedorov,M. L. Smith,P. L. Bender Book 1980 International Astronomical Union 1980 Variation.earth.

Gustatory

Nutation and the Oppolzer’s Termse directions to stars and/or extragalactic sources, and the terrestrial coordinate system xyz attached in “a prescribed way” to several points (observatories) on the surface of the Earth or to the pencil of unit vectors drawn from an arbitrary origin parallel to the local verticals at these points.

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Short-Period Nutation from Observation with the Pulkovo Polar Tube photographs of a circumpolar zone of 60’ radius (Bakhrakh, 1971). An analysis of measured polar distances of the same 30 stars on each plate gives corrections to the adopted values of the constants of aberration and precession and of the coefficients of nutation. At present the determination of the

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发炎

Spectrum of Latitude Variations in the Frequency Range 1.4–2.2 cpy and a Search for Nearly Diurnal Flar motion with close frequencies (Yatskiv et al. 1975). The latter would manifest itself as a latitude variation with a period of about 204 mean days (m.d.) and with a phase depending on the double longitude of station.

熔岩

Corrections to Some Terms of Nutation Deduced from the Paris Astrolabe Observationstude and time observations and consequently gives an error in the results of these observations. This may be due to an error in the classical terms of nutation or to the neglected nutation in space produced by the theoretically predicted nearly-diurnal wobble (Hough, 1895; Poincaré, 1910; Jeffreys,

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G. A. Wilkinsoronoi diagram of circles. Voronoi diagrams allow one to answer proximity queries after locating a query point in the Voronoi zone it belongs to. The dual graph of the Voronoi diagram is called the Delaunay graph. In this paper, we first show a necessary and sufficient condition of connectivity of t

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