Robustness of prediction for extreme adaptive optics systems under various observing conditions: An analysis using VLT/SPHERE adaptive optics data

23 Mar 2020 van Kooten M. A. M. Doelman Niek Kenworthy Matthew

For high-contrast imaging (HCI) systems, such as VLT/SPHERE, the performance of the system at small angular separations is contaminated by the wind-driven halo in the science image. This halo is a result of the servo-lag error in the adaptive optics (AO) system due to the finite time between measuring the wavefront phase and applying the phase correction... (read more)

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  • INSTRUMENTATION AND METHODS FOR ASTROPHYSICS