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Instability of the celestial reference frame and effect on UT1

Published online by Cambridge University Press:  21 October 2010

Vladimir E. Zharov
Vladimir E. Zharov*
Affiliation:
Department of Physics, Moscow State University, Moscow, Russia email: [email protected]
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Abstract

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It was shown that the ICRF radio sources including the defining sources have significant apparent motion that leads to rotation of the ICRF. This rotation is transformed to secular variations of EOP that is decreased or removed if motion of sources is took into account.

Keywords

ICRFEarth orientation parameters
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Highlights H15: Highlights of Astronomy , November 2009 , pp. 209
Copyright
Copyright © International Astronomical Union 2010

References

Zharov, V. E., Sazhin, M. V., Sementsov, V. N., Kuimov, K. V., & Sazhina, O. S. 2009, Astr. Rep., 53, 579CrossRefGoogle Scholar
Zharov, V. E. 2009, submitted to Astr. Rep.Google Scholar
Ma, C., Arias, E. F., Eubanks, T. M., et al. , 1998, AJ, 116, 516CrossRefGoogle Scholar