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Speckle Interferometry in Astrometry

Published online by Cambridge University Press:  04 August 2017

Harold A. McAlister
Harold A. McAlister*
Affiliation:
Department of Physics and Astronomy, Georgia State University

Abstract

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Speckle interferometry, which is characterised by diffraction limited resolution and enhanced accuracy, offers a wide range of possibilities for astrometry. Speckle applications are limited by the constraint of isoplanicity with the result that only differential rather than absolute astrometry can be carried out with the technique. Nevertheless, potentially important applications exist in solar system and stellar astrometry, but speckle interferometry has so far made significant contributions only in binary star astrometry.

Type
IV. Interferometry
Information
Symposium - International Astronomical Union , Volume 109: Astrometric Techniques , 1986 , pp. 293 - 300
Copyright
Copyright © Reidel 1986 

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