Fringe tracking at the IOTA interferometer

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

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7 Citations (Scopus)

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.

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    Pedretti, E., Thureau, N. D., Wilson, E., Traub, W. A., Monnier, J. D., Ragland, S., Carleton, N. P., Millan-Gabet, R., Schloerb, F. P., Brewer, M. K., Berger, J-P., & Lacasse, M. G. (2004). Fringe tracking at the IOTA interferometer. New Frontiers in Stellar Interferometry, Proceedings of SPIE Volume 5491. Edited by Wesley A. Traub. Bellingham, WA: The International Society for Optical Engineering, 2004., p.540, 5491, 540. http://adsabs.harvard.edu/abs/2004SPIE.5491..540P