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Subaru Seminars are
usually held in Room 104 of the Hilo Base Facility, adjacent
to the main lobby. Everyone is welcome to attend. If you would like to
give a seminar, please contact Subaru seminar organizers
(Rusu Cristian Eduard, Tae-Soo Pyo, Nagayoshi Ohashi)
by email : sseminar_at_subaru.naoj.org (please change"_at" to @).
October 17, Wednesday, 3pm in 104A
" The Adaptive Optics Facility at ESO's Paranal VLT Observatory"
Johann Kolb (VLT)
The Paranal Observatory in Chile hosts a high density of Adaptive Optics (AO) systems. The latest addition, not a small one, is the Adaptive Optics Facility (AOF) which transformed the Yepun telescope into an adaptive one thanks to the combined works of 4 Laser Guide Stars (LGS), a Deformable Secondary Mirror (DSM), and two Wavefront Sensor (WFS) modules GRAAL and GALACSI feeding the instruments already in place with an improved image quality: the HAWK-I wide field IR imager and the MUSE visible Integral Field Spectrograph. After years of design and assembly, it took two years of lab testing and two more years of commissioning to deliver this complex yet robust and easily operable system to the Science community. During this seminar I will provide an overview of the system, highlight challenges and successes of the commissioning and go through some showcase results obtained.