Fringe tracking at the IOTA interferometer

Ettore Pedretti; Nathalie D. Thureau; Edward Wilson; Wesley Arthur Traub; John D. Monnier; Sam Ragland; Nathaniel P. Carleton; Rafael Millan-Gabet; F. Peter Schloerb; Michael K. Brewer; Jean-Philippe Berger; Marc G. Lacasse

doi:10.1117/12.551625

20 October 2004 Fringe tracking at the IOTA interferometer

Ettore Pedretti, Nathalie D. Thureau, Edward Wilson, Wesley Arthur Traub, John D. Monnier, Sam Ragland, Nathaniel P. Carleton, Rafael Millan-Gabet, F. Peter Schloerb, Michael K. Brewer, Jean-Philippe Berger, Marc G. Lacasse

Author Affiliations +

Proceedings Volume 5491, New Frontiers in Stellar Interferometry; (2004) https://doi.org/10.1117/12.551625
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

We describe the fringe-packet tracking software installed at the infrared optical telescope array (IOTA). Three independently developed fringe-packet tracking algorithms can be used to equalise the optical path lengths at the interferometer. We compare the performance of these three algorithms and show results obtained tracking fringes for three independent baselines on the sky.

Citation Download Citation

Ettore Pedretti, Nathalie D. Thureau, Edward Wilson, Wesley Arthur Traub, John D. Monnier, Sam Ragland, Nathaniel P. Carleton, Rafael Millan-Gabet, F. Peter Schloerb, Michael K. Brewer, Jean-Philippe Berger, and Marc G. Lacasse "Fringe tracking at the IOTA interferometer", Proc. SPIE 5491, New Frontiers in Stellar Interferometry, (20 October 2004); https://doi.org/10.1117/12.551625

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