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作 者:廖德春[1] 金文敬[1] 须同祺[1] 陆佩珍[1]
机构地区:[1]中国科学院上海天文台,200030
出 处:《测绘学报》1994年第3期204-209,共6页Acta Geodaetica et Cartographica Sinica
摘 要:本文讨论1953~1964年期间以IAU1976岁差、IAU1980章动和FK5星表系统为参考的标准时刻的化算,其中包括光行差常数从20.47″至20.496″,章动模式从1896年序列和Woolard序列至Wahr序列以及星表从FK3和FK4至FK5的化算,分别给出各项化算的结果。:In reference to the IAU precession constant, the IAU 1980 nutation seriesand the FK5 system,corrections for the STANDARD TIME during 1953-1964are discussed and calculated in this paper.FK3/FK3R and FK4 cataloques were used in data reduction of the STAN-DARD TIME system during 1953-1961 and 1962-1964 respectively. The nu-tation series adopted by the Paris Conference in 1896 and Woolard's serieswere used during 1953-1959 and 1960-1964. And the aberration constant k =20.47' was used for the whole period of 1953-1964.corrections for the changes of star cataloques from FK3/FK3R and FK4 toFK5, of aberration constant from 20. 47' to 20. 49552', and of nutation modelsfrom 1896's and Woolard's to IAU 1980 series are discussed and calculated inChapter 2. 1, 2.2, and 2.3 and the results are shown in Fig.1 (a) 、(b)and(c)inthis paper respectively.A discussion is made at the end of this paper. All corrections describedabove appear to be annual terms. They might be absorbed to some extent in groupcorrections of the observations and in annual systematic corrections for the in-strumental-personal errors. Owing to lack of the data concerned, the effect oftwo corrections on our results mentioned above has not been analysed in thispaper.
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