Giorgio Viavattene,1,2 Fernando Pedichini,1,3 Fausto Cortecchiahttps://orcid.org/0000-0001-5072-7791,4 Raffaele Gratton,5,3 Simone Antoniucci,1,3 Valentina D'Orazi,5,3 Laura Schreiber,6 Manuele Gangi,1,3 Fabrizio Vitali,1 Andrea Biancohttps://orcid.org/0000-0002-7691-404X,7,3 Michele Frangiamorehttps://orcid.org/0009-0006-8424-1494,7,3 Emiliano Diolaiti,6 Matteo Lombini,6 Roberto Piazzesi,1,3 Gianluca Li Causi,8,9,3 Vincenzo Testa,1,3 Alessandro Terreri,1,3 Sebastiaan Haffert,10 Christoph Keller11
1INAF - Osservatorio Astronomico di Roma (Italy) 2 INAF - ADONI (Italy) 3INAF - ADONI (Italy) 4INAF - Osservatorio di Astrofisica e Scienza dello Spazio di Bologona (Italy) 5INAF - Osservatorio Astronomico di Padova (Italy) 6INAF - Osservatorio di Astrofisica e Scienza dello Spazio di Bologna (Italy) 7INAF - Osservatorio Astronomico di Brera (Italy) 8INAF - Istituto di Astrofisica e Planetologia Spaziali (Italy) 9INAF - Osservatori Astronomico di Roma (Italy) 10Univ. of Arizona, Steward Observatory (United States) 11Lowell Observatory (United States)
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The Exoplanets at LBT with a Visible IFS for SHARK-VIS (ELVIS) is an add-on imaging spectrograph to be integrated in the new LBT high-contrast high-resolution AO-assisted imager SHARK-VIS. ELVIS is optimized for a medium/high spectral resolution of 10-20k with a limited bandwidth around the Hα, and it is planned fed by a small core (10-20 ⊘ µm) multi mode fiber bundle providing about 140 spaxels on a field of view around 300×300 sqmas. This instrument has a very compact design based on a VPH dispersing element to allow its installation within a standard 19” rack mount. As shown in the literature, young accreting sub-stellar and planetary companions are better detected and analyzed by these instruments allowing to reach contrast at least ten times fainter (in their Hα emission) with respect to standard imagers.
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Giorgio Viavattene, Fernando Pedichini, Fausto Cortecchia, Raffaele Gratton, Simone Antoniucci, Valentina D'Orazi, Laura Schreiber, Manuele Gangi, Fabrizio Vitali, Andrea Bianco, Michele Frangiamore, Emiliano Diolaiti, Matteo Lombini, Roberto Piazzesi, Gianluca Li Causi, Vincenzo Testa, Alessandro Terreri, Sebastiaan Haffert, Christoph Keller, "ELVIS: the exoplanets at LBT with a visible IFS for SHARK-VIS," Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 121843U (29 August 2022); https://doi.org/10.1117/12.2629400