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Refining the Orbit of Visual Double Stars

Published online by Cambridge University Press:  12 April 2016

Edgar Soulie
Edgar Soulie*
Affiliation:
“Les Dryades”, 19, av. Salengro, F-92290 Chatenay-Malabry, France

Abstract

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An iterative method of refining the orbital parameters of visual double stars was described. The sum of the least-square differences is minimized by the Levenberg-Marquardt method. The application to two examples was described, including one highly inclined orbit, ADS 8862 = Hussey 664 (i = 94.3 degrees).

Type
Part II Observational Methods
Information
International Astronomical Union Colloquium , Volume 98: Stargazers: The Contribution of Amateurs to Astronomy , 1988 , pp. 133
Copyright
Copyright © Springer-Verlag 1988

References

Marquardt, D.W.: “An algorithm for least-squares estimation of non-linear parameters”, J. Soc. Industr. Appl. Math., 11 (2) 431-41, 1963 JuneCrossRefGoogle Scholar
Soulié, E.J.: “L’amélioration de l’orbite d’une étoil double visuelle”, Astron. Astrophys., 164, 408-14, 1986 Google Scholar
Soulié, E.J.: Special Issue “Double Stars”, l’Astronomie, 1988, in pressGoogle Scholar