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