PSF Reconstruction for NAOS-CONICA

Y. Clénet; M. Kasper; E. Gendron; T. Fusco; G. Rousset; Damien Gratadour; C. Lidman; O. Marco; N. Ageorges; S. Egner

PSF Reconstruction for NAOS-CONICA

Y. Clénet, M. Kasper, E. Gendron, T. Fusco, G. Rousset, Damien Gratadour, C. Lidman, O. Marco, N. Ageorges, S. Egner

Research School of Astronomy & Astrophysics

Research output: Contribution to conference › Paper

Abstract

In the framework of PSF reconstruction for NACO, we first introduce 2 new algorithms that prevent the use of the so-called "U_ij functions" and hence (1) avoid the storage of a large amount of data, (2) shorten the PSF reconstruction computation time, (3) can provide an estimation of the PSF variability. We then identify and explain issues in the exploitation of real-time Shack-Hartmann data for PSF reconstruction, emphasising the large impact of thresholding in the accuracy of the phase residual estimation. Finally, we present the PSF reconstruction algorithms we are developing for NAOS and the NAOS data used for this purpose (the data presently available as well as two NAOS software modifications that would provide new data to increase the accuracy of the PSF reconstruction).

Original language	English
Publication status	Published - 1 Jun 2006

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https://ui.adsabs.harvard.edu/abs/2006sf2a.conf...69C

Cite this

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title = "PSF Reconstruction for NAOS-CONICA",

abstract = "In the framework of PSF reconstruction for NACO, we first introduce 2 new algorithms that prevent the use of the so-called {"}Uij functions{"} and hence (1) avoid the storage of a large amount of data, (2) shorten the PSF reconstruction computation time, (3) can provide an estimation of the PSF variability. We then identify and explain issues in the exploitation of real-time Shack-Hartmann data for PSF reconstruction, emphasising the large impact of thresholding in the accuracy of the phase residual estimation. Finally, we present the PSF reconstruction algorithms we are developing for NAOS and the NAOS data used for this purpose (the data presently available as well as two NAOS software modifications that would provide new data to increase the accuracy of the PSF reconstruction).",

author = "Y. Cl{\'e}net and M. Kasper and E. Gendron and T. Fusco and G. Rousset and Damien Gratadour and C. Lidman and O. Marco and N. Ageorges and S. Egner",

year = "2006",

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day = "1",

language = "English",

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TY - CONF

T1 - PSF Reconstruction for NAOS-CONICA

AU - Clénet, Y.

AU - Kasper, M.

AU - Gendron, E.

AU - Fusco, T.

AU - Rousset, G.

AU - Gratadour, Damien

AU - Lidman, C.

AU - Marco, O.

AU - Ageorges, N.

AU - Egner, S.

PY - 2006/6/1

Y1 - 2006/6/1

N2 - In the framework of PSF reconstruction for NACO, we first introduce 2 new algorithms that prevent the use of the so-called "Uij functions" and hence (1) avoid the storage of a large amount of data, (2) shorten the PSF reconstruction computation time, (3) can provide an estimation of the PSF variability. We then identify and explain issues in the exploitation of real-time Shack-Hartmann data for PSF reconstruction, emphasising the large impact of thresholding in the accuracy of the phase residual estimation. Finally, we present the PSF reconstruction algorithms we are developing for NAOS and the NAOS data used for this purpose (the data presently available as well as two NAOS software modifications that would provide new data to increase the accuracy of the PSF reconstruction).

AB - In the framework of PSF reconstruction for NACO, we first introduce 2 new algorithms that prevent the use of the so-called "Uij functions" and hence (1) avoid the storage of a large amount of data, (2) shorten the PSF reconstruction computation time, (3) can provide an estimation of the PSF variability. We then identify and explain issues in the exploitation of real-time Shack-Hartmann data for PSF reconstruction, emphasising the large impact of thresholding in the accuracy of the phase residual estimation. Finally, we present the PSF reconstruction algorithms we are developing for NAOS and the NAOS data used for this purpose (the data presently available as well as two NAOS software modifications that would provide new data to increase the accuracy of the PSF reconstruction).

M3 - Paper

ER -

PSF Reconstruction for NAOS-CONICA

Abstract

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