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SHARK-NIR Channel: a high contrast imager with coronagraphic capabilities for the Large Binocular Telescope

  • Author(s): Farinato, Jacopo
  • Baffa, Carlo
  • Baruffolo, Andrea
  • Bergomi, Maria
  • Carbonaro, Luca
  • Carolo, Elena
  • Carlotti, Alexis
  • Centrone, Mauro
  • Close, Laird
  • De Pascale, Marco
  • Dima, Marco
  • Esposito, Simone
  • Fantinel, Daniela
  • Farisato, Giancarlo
  • Gaessler, Wolfgang
  • Giallongo, Emanuele
  • Greggio, Davide
  • Guyon, Olivier
  • Hinz, Philip
  • Lisi, Franco
  • Magrin, Demetrio
  • Marafatto, Luca
  • Pedichini, Fernando
  • Pinna, Enrico
  • Puglisi, Alfio
  • Ragazzoni, Roberto
  • Salasnich, Bernardo
  • Stangalini, Marco
  • Vassallo, Daniele
  • Verinaud, Christophe
  • Viotto, Valentina
  • et al.
Abstract

A new coronagraphic instrument for the Large Binocular Telescope (LBT) has successfully passed the conceptual design phase. SHARK-NIR channel will be installed in one arm of the Large Binocular Telescope and it is designed to use different coronagraphic techniques, both to match as much as possible the different requirements of the different science cases and to explore the capabilities of such techniques for the next-generation of ELTs. By exploiting the combination with SHARK-VIS channel mounted at the other LBT arm, the instrument will offer simultaneous coronagraphic observations at different wavelengths, characterized by high contrast, even for relatively faint targets. This will be achievable thanks to the very efficient Adaptive Optics (AO) systems already operating at LBT (First Light AO, FLAO). Furthermore, the latter will be soon upgraded with new detectors, promising even better performance in terms of limiting magnitude. In this paper we present the status of the SHARK-NIR channel design.

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