The wind-driven halo in high-contrast images I: analysis from the focal plane images of SPHERE

@article{Cantalloube2020TheWH,
  title={The wind-driven halo in high-contrast images I: analysis from the focal plane images of SPHERE},
  author={Faustine Cantalloube and O. J. D. Farley and Julien Milli and Nazim Ali Bharmal and Wolfgang Brandner and Carlos M. Correia and Kjetil Dohlen and Th. Henning and James Osborn and Emiel H. Por and Marcos Su{\'a}rez Valles and Arthur Vigan},
  journal={Astronomy and Astrophysics},
  year={2020}
}
  • Faustine Cantalloube, O. J. D. Farley, +9 authors Arthur Vigan
  • Published 2020
  • Physics
  • Astronomy and Astrophysics
  • Context. The wind driven halo is a feature observed within the images delivered by the latest generation of ground-based instruments equipped with an extreme adaptive optics system and a coronagraphic device, such as SPHERE at the VLT. This signature appears when the atmospheric turbulence conditions are varying faster than the adaptive optics loop can correct. The wind driven halo shows as a radial extension of the point spread function along a distinct direction (sometimes referred to as the… CONTINUE READING

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