Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002psao...25..131p&link_type=abstract
Publications of the Shaanxi Astronomical Observatory (ISSN 1001-1544), Vol. 25, No. 2, p. 131 - 140 (2002)
Astronomy and Astrophysics
Astronomy
Reference System, Reference Frame, Relativity
Scientific paper
The reference systems (frames) and the related main historical advances are demonstrated briefly. The definition, realization and characteristics of the updated conventional reference systems (frames), such as the barycentric celestial reference system, the geocentric celestial reference system, the international celestial reference system (frame), the international terrestrial reference system (frame) and the dynamical reference system (frame), are analysed. Besides, the definitions of some new conceptions and the adoption of some updated models, including the celestial intermediate pole, the celestial ephemeris origin, the terrestrial ephemeris origin, the earth rotation angle and the new precession-nutation model, to be implemented beginning on 1 January 2003, are discussed.
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