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Title: Influence of restricted FOV and CCD binning in SH-WFS on the performance of NAOMI
Authors: Sochting, IK
Wilson, R
Myers, R
Longmore, A
Benn, C
Ostensen, Roy
Els, S
Goodsell, S
Gregory, T
Talbot, G #
Issue Date: 2004
Publisher: Spie-int soc optical engineering
Host Document: Advancements in adaptive optics, pts 1-3 vol:5490 pages:574-579
Series Title: PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE)
Conference: Conference on Advancements in Adaptive Optics Glasgow, SCOTLAND, JUN 21-25, 2004
Abstract: Using a unique combination of empirical data collected simultaneously by the science camera (INGRID) and the wave front sensor in NAOMI plus the same night profiles of the turbulent layers measured by SLODAR, we discuss the accuracy of the analytic approach to modelling of AO performance. The WFS frames recorded for different atmospheric conditions allow us to make a detailed investigation of the influence of a restricted field of view and sampling of the WFS on the accuracy of the centre of gravity and its propagation to the residual variance. The predictions of Strehl, FWHM and FWHE derived for NAOMI+INGRID using our analytic approach are compared with on-sky performance demonstrated during the commissioning and science observations with NAOMI.
ISBN: 0-8194-5422-2
ISSN: 0277-786X
Publication status: published
KU Leuven publication type: IC
Appears in Collections:Institute of Astronomy
# (joint) last author

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