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Astrometry from mutual event and small-separation CCD imaging†

Published online by Cambridge University Press:  01 October 2007

Q. Y. Peng ,
N. V. Emelyanov ,
L. Zhou  and
W. R. Gu
Q. Y. Peng
Affiliation:
Department of Computer Science, Jinan University, Guangzhou 510632, China email: [email protected] Joint Laboratory for optical astronomy, CAS, Kunming 650011, China
N. V. Emelyanov
Affiliation:
Sternberg Astronomical Institute, 13, Universitetskij prospect, 119992 Moscow, Russia email: [email protected]
L. Zhou
Affiliation:
Department of Computer Science, Jinan University, Guangzhou 510632, China email: [email protected]
W. R. Gu
Affiliation:
Department of Computer Science, Jinan University, Guangzhou 510632, China email: [email protected]
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Abstract

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In order to determine precisely positions of the Galilean satellites of Jupiter, it is useful that shortly before and/or after photometric observations of a mutual event, normal CCD imaging observation is also performed for the two small-separation satellites. Experimental observations showed that the two observational types, on the whole, could derive mean (O-C) s with very good internal and external agreement (about 15–20 mas).

Keywords

planets and satellites: generalastrometryeclipsesoccultations
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. 114 - 115
Copyright
Copyright © International Astronomical Union 2008

References

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