Speckle interferometer of the 6 m telescope

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Title:		Speckle interferometer of the 6 m telescope
Authors:		Maximov, A. F.; Balega, Yu. Yu.; Beckmann, U.; Weigelt, G.; Pluzhnik, E. A.
Journal:		Bulletin of the Special Astrophysical Observatory. Russian Academy of Sciences, Saint-Petersburg. (Izvestiya Spetsial'noi Astrofizicheskoi Observatorii) (ISSN 0320-9318), Vol. 56, p. 102 - 114 (2003)
Publication Date:		00/2003
Origin:		ARI
Keywords:		Instrumentation: Interferometers, Techniques: High Angular Resolution, Techniques: Image Processing
Abstract Copyright:		Vertex International
Bibliographic Code:		2003BSAO...56..102M

Abstract

A description of the 6 m telescope speckle interferometer is presented. Principles of operation and function of basic units are briefly considered. Information on the processes of observations and primary data reduction is given. Methods of measuring binary star parameters and evaluation of the power spectrum and image restoration are presented. It is shown that the use of the new device gives us an opportunity to reach acquisition rate up to 6 frames per second, and to observe objects up to 14^m with a diffraction telescope resolution of 0."0.2.

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