Modified astronomical speckle interferometry 'speckle masking'

Details Modified astronomical speckle interferometry 'speckle masking' Modified astronomical speckle interferometry 'speckle masking'

Apr 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977optco..21...55w&link_type=abstract

Optics Communications, vol. 21, Apr. 1977, p. 55-59.

Physics

Optics

215

Astronomical Photography, Binary Stars, Interferometry, Masking, Optical Correction Procedure, Speckle Patterns, Reconstruction, Reference Stars, Signal Processing, Stellar Spectrophotometry

Scientific paper

A speckle masking technique for the reconstruction of real images from astronomical speckle photographs is described, which is easy to implement and can be applied to a restricted class of objects including double stars. Each speckle photograph is preprocessed by a nonlinear process that yields the instantaneous point spread function F(x, y) of each speckle photograph, thereby automatically providing a synthetic reference star. The technique can be applied to double stars and two-part objects with one part unresolvable and the other part resolvable but small. Some experimental results illustrating the method are discussed.

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