Fringe tracking at VLTI: status report

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

doi:10.1117/12.788414

28 July 2008 Fringe tracking at VLTI: status report

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

Author Affiliations +

Proceedings Volume 7013, Optical and Infrared Interferometry; 701318 (2008) https://doi.org/10.1117/12.788414
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

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, and Stefan Wehner "Fringe tracking at VLTI: status report", Proc. SPIE 7013, Optical and Infrared Interferometry, 701318 (28 July 2008); https://doi.org/10.1117/12.788414

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