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Analysis of the Residuals between Theoretical Nutations and VLBI Observations

Published online by Cambridge University Press:  30 March 2016

V. Dehant ,
M. Feissel ,
O. de Viron ,
M. Yseboodt  and
Ch. Bizouard
V. Dehant
Affiliation:
Royal Observatory of Belgium
M. Feissel
Affiliation:
Observatoire de Paris, France Institut Geographique National, France
O. de Viron
Affiliation:
Jet Propulsion Laboratory, USA
M. Yseboodt
Affiliation:
Royal Observatory of Belgium
Ch. Bizouard
Affiliation:
Observatoire de Paris, France

Extract

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The recent theoretical developments have provided accurate series of nutations, which are close to the Very Long Baseline Interferometry (VLBI) data. At the milliarcsecond (mas) level, three series are available: MHB2000 (Mathews et al. 2000), FG2000 (Getino and Ferrándiz 2000), and SF2000 (Shirai and Fukushima 2000a,b) (see Dehant 2000, and in this volume, for more information and for a short description of these models).

In the first part of our work we have compared these models with the (VLBI) observations (Ma et al. 2000) by computing rms of the residuals for several time intervals of measurements. We have concluded that these series have comparable precision.

Type
II. Joint Discussions
Information
Highlights of Astronomy , Volume 12: Highlights of Astronomy. As presented at the XXIVth General Assembly of the IAU, 2000 , 2002 , pp. 124 - 125
Copyright
Copyright © Astronomical Society of Pacific 2002

References

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Ma, C. et al. 2000, Submission to the 1999 IERS Annual ReportGoogle Scholar
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