Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997arbei..30..106j&link_type=abstract
Astrophysics Reports, Publications of the Beijing Astronomical Observatory, No. 30, p. 106 - 109
Astronomy and Astrophysics
Astrophysics
Data Bases
Scientific paper
The structure of the astrometric database of WDC-D is described. The database consists of photographic observations from 1901 - present, global optical observations from 1962 - present, satellite laser ranging of the Chinese network and the Chinese joint system of EOP. Relative data such as atmospheric angular momentum, earthquake, radio and optical catalogues are also included.
Jin Wenjing
Li Zhengxin
Qian Changxia
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