VLTI status update: tapping into a powerful second-generation instrumentation

Xavier Haubois,Roberto Abuter, Emmanuel Aller-Carpentier,Jaime Alonso,J. Beltran,Jean-Philippe Berger, Pierre Bourget, Paul Bristow, Luis Caniguante,Bruno Chazelas, Claudia Cid, Ralf Conzelmann,Angela Cortes, Pascaline Darré, A. Delboulbe, F. Delplancke-Ströbele, Diego Del Valle, Roderick Dembet, Reinaldo Donoso,Christophe Dupuy, Sebastien Egner,Frank Eisenhauer, Lorena Faundez, Eloy Fuenteseca, R. Frahm, Daniel Gaytan,Juan Pablo Gil, Andreas Glindemann,Frédéric Gonté, Jaime Gonzales, P. Guajardo, Thibaut Guerlet, S. Guieu,Pablo Gutierrez,Pierre Haguenauer,Pierre van der Heyden,Stefan Huber, Norbert Hubin,Christian A. Hummel, Lieselotte Jochum,Laurent Jocou, J. P. Kirchbauer,Johann Kolb, Johan Kosmalski, Peter Krempl,Sylvestre Lacour,Jean-Baptiste Le Bouquin, Julien Leclercq, Jean Louis Lizon,Bruno Lopez, Yves Magnard, Anthony Meilland,Alexander Meister,Antoine Mérand, Steffen Mieske,Thibaut Moulin,Juan Osorio,Jürgen Ott,Claudia Paladini, Laurent Pallanca, Marcus Pavez,Luca Pasquini,Célia Pelluet,Isabelle Percheron, Lorenzo Pettazzi,Andres Pino, Sébastien Poupar,A. Ramirez,Javier Reyes, M. Riquelme,Thomas Rivinius, S. Rochat,Fernando Salgado,Markus Schöller, Nicolas Schuhler, Pavel Shchekaturov,Christian Stephan,Marcos Suarez, Alain Smette, Richard Tamblay,Mario Tapia,Konrad R. W. Tristram, Guillermo Valdes,Christophe Verinaud,Markus Wittkowski,Julien Woillez,Gérard Zins

Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series(2020)

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摘要
Following the arrival of MATISSE, the second-generation of VLTI instrumentation is now complete and was simultaneously enhanced by a major facility upgrade including the NAOMI Adaptive Optics on the Auxiliary Telescopes. On the Unit Telescopes, significant efforts were also made to improve the injection stability into VLTI instruments. On top of GRAVITY's own evolution, its fringe tracker is now being used to allow coherent integrations on MATISSE (the so-called GRA4MAT project). Meanwhile, operations also evolved to be more flexible and make the most of an extended observing parameter space. In this context, we present an overview of the current VLTI performances. Finally, we will report on on-going improvements such as the extension of the longest baselines.
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关键词
Very Large Telescope Interferometer, Stellar Interferometry, Optical Interferometry, Facility, Science Operations Statistics, Adaptive Optics, Fringe Tracking, Performance
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