Astrophysics and Space Science

, Volume 142, Issue 1–2, pp 161–165 | Cite as

Astrometric parameters of visual double stars derived from simulated hipparcos measurements

  • H. -H. Bernstein
  • R. Hering
  • H. G. Walter
Fourth Session Observations of Wide Pairs and Their Results

Summary

In the course of the reduction ofHipparcos data the astrometric parameter determination of visual binaries is reduced to the parameter determination of single stars. This approach assumes that the off-set of the binary components with respect to the conventional light point directly measured by the Hipparcos telescope are known on the individual scanning circles. The computer algorithms are outlined, preliminary results based on simulated measurements are discussed.

Keywords

Position Angle Primary Component Proper Motion Secondary Component Adjustment Strategy 

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References

  1. Falin, J. L., Froeschlé, M., and Mignard, F.: 1986, ‘Simulation des données pour la tâche “Astrometric Parameter Determination”’,Hipparcos Note Technique, No. 13, Version 3.Google Scholar
  2. Walter, H. G.: 1987, in P. L. Bernacca and J. Kovalevsky (eds.), ‘Astrometric Treatment of Double Star Abscissae’,Processing of Scientific Data from the ESA Astrometry Satellite Hipparcos, Proceedings of the Third Thinkshop of the FAST Consortium held at Bari, 3 to 6 November 1986, ERGA, Grasse, p. 223.Google Scholar
  3. Walter, H. G., Hering, R., Bastian, U., and Bernstein, H. H.: 1985, in J. Kovalevsky (ed.), ‘Astrometric Parameter Determination: Methods, Algorithms, and Program Implementation’,Processing of Scientific Data from the ESA Astrometry Satellite Hipparcos, Proceedings of the Second Thinkshop of the FAST Consortium held at Marseille, 21 to 25 January 1985, CERGA, Grasse, p. 281.Google Scholar

Copyright information

© Kluwer Academic Publishers 1988

Authors and Affiliations

  • H. -H. Bernstein
    • 1
  • R. Hering
    • 1
  • H. G. Walter
    • 1
  1. 1.Astronomisches Rechen-Institut HeidelbergFRG

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