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Image reconstruction by the speckle-masking method.

Authors
Type
Published Article
Journal
Optics Letters
0146-9592
Publisher
The Optical Society
Publication Date
Volume
8
Issue
7
Pages
389–391
Identifiers
PMID: 19718124
Source
Medline

Abstract

Speckle masking is a method for reconstructing high-resolution images of general astronomical objects from stellar speckle interferograms. In speckle masking no unresolvable star is required within the isoplanatic patch of the object. We present digital applications of speckle masking to close spectroscopic double stars. The speckle interferograms were recorded with the European Southern Observatory's 3.6-m telescope. Diffraction-limited resolution (0.03 arc see) was achieved, which is about 30 times higher than the resolution of conventional astrophotography.

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