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Study of centering CCD image of faint satellites near a bright primary object†

Published online by Cambridge University Press:  01 October 2007

Z. H. Tang ,
Y. Li ,
Y. R. Yan ,
S. H. Wang ,
R. C. Qiao  and
K. X. Shen
Z. H. Tang
Affiliation:
Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China.
Y. Li
Affiliation:
Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China
Y. R. Yan
Affiliation:
Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China
S. H. Wang
Affiliation:
Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China.
R. C. Qiao
Affiliation:
National Time Service Center (NTSC), Chinese Academy of Science, Shaanxi 710600, China.
K. X. Shen
Affiliation:
National Time Service Center (NTSC), Chinese Academy of Science, Shaanxi 710600, China.
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Abstract

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The polynomial-fit method is applied to remove the uneven background of a satellite when it is near a bright primary object. Detailed analysis of this method is given. Some useful conclusions are drawn from the results of simulated data.

Keywords

astrometrysolar system: generaltechniques: image processingplanets and satellites: general

References

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