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The role of pre-Gaia positional data in determining binary orbits with Gaia data

Published online by Cambridge University Press:  01 October 2007

S. L. Ren
Affiliation:
Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, 210008, China email: rensl@pmo.ac.cn or fyn@pmo.ac.cn
Y. N. Fu
Affiliation:
Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, 210008, China email: rensl@pmo.ac.cn or fyn@pmo.ac.cn
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Abstract

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Simulations show that incorporating the pre-Gaia positional data into the Gaia astrometric data can significantly improve the efficiency of determining binary orbits, especially for those binaries with periods from 8 to 25 years.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2008

References

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