28 July 2008 Fringe tracking at VLTI: status report
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Abstract
FINITO (the VLTI three beam fringe-tracker) has been offered in September 2007 to the astronomical community for observations with the scientific instruments AMBER and MIDI. In this paper, we describe the last improvements of the fringe-tracking loop and its actual performance when operating with the 1.8m Auxiliary Telescopes. We demonstrate the gain provided to the scientific observations. Finally, we discuss how FINITO real-time data could be used in post-processing to enhance the scientific return of the facility.
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Jean-Baptiste Le Bouquin, Roberto Abuter, Bertrand Bauvir, Henri Bonnet, Pierre Haguenauer, Nicola di Lieto, Serge Menardi, Sébastien Morel, Fredrik Rantakyrö, Markus Schoeller, Anders Wallander, Stefan Wehner, "Fringe tracking at VLTI: status report", Proc. SPIE 7013, Optical and Infrared Interferometry, 701318 (28 July 2008); doi: 10.1117/12.788414; https://doi.org/10.1117/12.788414
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