Control interface concepts for CHARA 6-telescope fringe tracking with CHAMP+MIRC

Stefan Kraus, John Monnier, Fabien Baron, Xiao Che, Rafael Millan-Gabet, Nathalie Thureau, Ettore Pedretti

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

1 Citation (Scopus)

Abstract

Cophasing six telescopes from the CHARA array, the CHARA-Michigan Phasetracker (CHAMP) and Michigan Infrared Combiner (MIRC) are pushing the frontiers of infrared long-baseline interferometric imaging in key scientific areas such as star- and planet-formation. Here we review our concepts and recent improvements on the CHAMP and MIRC control interfaces, which establish the communication to the real-time data recording & fringe tracking code, provide essential performance diagnostics, and assist the observer in the alignment and flux optimization procedure. For fringe detection and tracking with MIRC, we have developed a novel matrix approach, which provides predictions for the fringe positions based on cross-fringe information.
Original languageEnglish
Title of host publicationOptical and Infrared Interferometry III
Subtitle of host publicationProceedings of SPIE
PublisherSPIE
Volume8445
ISBN (Print)9780819491466
Publication statusPublished - 1 Jul 2012

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