Fringe envelope tracking at COAST

Nathalie D. Thureau, Roger C. Boysen, David F. Buscher, Christopher A. Haniff, Ettore Pedretti, Peter J. Warner, John S. Young

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

Abstract

We report on a new fringe envelope tracking system installed at the Cambridge Optical Aperture Synthesis telescope (COAST). This currently uses the existing photon-counting avalanche photo diode (APD) detector system to allow real-time fringe tracking on up to 3 baselines simultaneously. This system has been recently tested on the sky and has proved to successfully track the fringe envelope on a 38m baseline. The algorithm based on an envelope method has also been implemented and tested at the Infrared-Optical Telescope Array (IOTA) interferometer.
Original languageEnglish
Title of host publicationInterferometry for Optical Astronomy II
EditorsWesley A. Traub
PublisherSPIE
Pages956-963
Number of pages8
ISBN (Print)0-8194-4617-3
DOIs
Publication statusPublished - 21 Feb 2003

Publication series

NameProceedings of SPIE
Volume4838
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

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