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Operational forecast of the PSF figures of merit

Journal
Date Issued
2020
Author(s)
•
•
•
Beltramo-Martin, O.
•
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Sauvage, J. F.
•
Fusco, T.
•
Neichel, B.
•
Milli, J.
DOI
Abstract
The optimization and scheduling of scientific observations done with instrumentation supported by adaptive optics could greatly benefit from the forecast of PSF figures of merit (FWHM, Strehl Ratio, Encircle Energy and contrast), that depend on the AO instrument, the scientific target and turbulence conditions during the observing night. In this contribution we explore the the possibility to forecast a few among the most useful PSF figures of merit (SR and FWHM). To achieve this goal, we use the optical turbulence forecasted by the mesoscale atmospheric model Astro-Meso-NH on a short timescale as an input for PSF simulation software developed and tailored for specific AO instruments. A preliminary validation will be performed by comparing the results with on-sky measured PSF figures of merit obtained on specific targets using the SCAO systems SOUL (FLAO upgrade) feeding the camera LUCI at LBT and SAXO, the extreme SCAO system feeding the high resolution SPHERE instrument at VLT. This study will pave the way to the implementation of an operational forecasts of such a figure of merits on the base of existing operational forecast system of the atmosphere (turbulence and atmospheric parameters). In this contribution we focus our attention on the forecast of the PSF on-axis.
Funding(s)
Coverage
Adaptive Optics Systems VII
All editors
Schreiber, Laura; Schmidt, Dirk; Vernet, Elise
Volume
11448
Start page
341
Conferenece
Adaptive Optics Systems VII
Conferenece place
California, United States
Conferenece date
14-18 December, 2020
Uri
Url
Issn Identifier
0277-786X
Ads BibCode
2020SPIE11448E..3VT
Rights
open.access
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