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CCD astrometric observations of faint satellites and update of their orbits†

Published online by Cambridge University Press:  01 October 2007

K. X. Shen ,
Z. H. Tang ,
R. C. Qiao ,
S. H. Wang ,
Y. R. Yan  and
X. Cheng
K. X. Shen
Affiliation:
National Time Service Center (NTSC), The Chinese Academy of Science, P. O. Box 18, Lintong, Shaanxi 710600, China. email: shenkx@ntsc.ac.cn
Z. H. Tang
Affiliation:
Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China
R. C. Qiao
Affiliation:
National Time Service Center (NTSC), The Chinese Academy of Science, P. O. Box 18, Lintong, Shaanxi 710600, China. email: shenkx@ntsc.ac.cn
S. H. Wang
Affiliation:
Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China
Y. R. Yan
Affiliation:
Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China
X. Cheng
Affiliation:
National Time Service Center (NTSC), The Chinese Academy of Science, P. O. Box 18, Lintong, Shaanxi 710600, China. email: shenkx@ntsc.ac.cn Graduate School of the Chinese Academy of Sciences, Beijing 100039, China
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Abstract

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This paper reports on our observing campaign of faint satellites performed at the National Time Service Center and Sheshan station of SHAO from 1994 up to today. In the past few years due to benefit from using a large size CCD and the publication of the modern catalogues (UCAC2), a series of observations of faint satellites were obtained by us. Moreover the work of improving the orbit of Phoebe via numerical fit to the observations over a century is also presented.

Keywords

astrometrysolar system: generalplanets and satellites: generalephemerides
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S248: A Giant Step: from Milli- to Micro-arcsecond Astrometry , October 2007 , pp. 93 - 95
Copyright
Copyright © International Astronomical Union 2008

References

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