Back-propagating the light of field stars to probe telescope mirrors aberrations

Ferréol Soulez; Frédéric Courbin; Michael Unser

doi:10.1117/12.2232702

Back-propagating the light of field stars to probe telescope mirrors aberrations

Ferréol Soulez ^{1, 2} Frédéric Courbin ³ Michael Unser ²

1 CRAL - Centre de Recherche Astrophysique de Lyon

2 Biomedical Imaging Group [Lausanne]

3 Laboratoire d'Astrophysique, Ecole Polytechnique Fédérale de Lausanne (EPFL)

Abstract : We propose a wavefront-based method to estimate the PSF over the whole field of view. This method estimate the aberrations of all the mirrors of the telescope using only field stars. In this proof of concept paper, we described the method and present some qualitative results.

Document type :

Conference papers

Domain :

Computer Science [cs] / Signal and Image Processing

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Back-propagating the light of field stars to probe telescope mirrors aberrations

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