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Shift-and-dd-Type Algorithms and their Application to Capella

Published online by Cambridge University Press:  12 April 2016

William G. Bagnuolo Jr.
William G. Bagnuolo Jr.*
Affiliation:
The Aerospace Corp., Los Angeles, CA90009

Extract

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Bates and Cady (1980) proposed a method for astronomical image reconstruction that involves superimposing regions about the brightest pixels of each frame produced by speckle interferometric techniques. Unlike the method of Lynds, Worden, and Harvey (1976), no attempt is made to center apparent speckle images before superposition. This method is hereafter referred to as “shift-and-add” (SAA). The simplicity of this method makes it highly suitable for analysis and simulation.

This paper summarizes the application of extensions of SAA to the problem of determining reliable double star intensity ratios. Theoretical and simulation results presented in a previous paper (hereafter called “paper I”) by Bagnuolo (1982) will be summarized. In addition, the results of the application of SAA-type algorithms to Capella will be presented.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 62: Current Techniques in Double and Multiple Star Research , May 1983 , pp. 180 - 184
Copyright
Copyright © Lowell Observatory 1983

References

Bagnuolo, W.G., 1982, M.N.R.A.S. 200, 1113.Google Scholar
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