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arxiv: 2406.18317 · v1 · pith:ZSIUPBEOnew · submitted 2024-06-26 · 🌌 astro-ph.IM

ANDES, the high-resolution spectrograph for the ELT: RIZ Spectrograph preliminary design

Bruno Chazelas , Yevgeniy Ivanisenko , Audrey Lanotte , Pablo Santos Diaz , Ludovic Genolet , Michael Sordet , Ian Hughes , Christophe Lovis
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Tobias M. Schmidt Manuel Amate Jos\'e Pe\~nate Castro Afrodisio Vega Moreno Fabio Tenegi Roberto Simoes Jonay I. Gonz\'alez Hern\'andez Mar\'ia Rosa Zapatero Osorio Javier Piqueras Tom\'as Belenguer D\'avila Roc\'io Calvo Ortega Roberto Varas Gonz\'alez Luis Miguel Gonz\'alez Fern\'andez Pedro J. Amado Jonathan Kern Frank Dionies Svend-Marian Bauer Hakan \"Onel Arto J\"arvinen Joar Brynnel Christine F\"u{\ss}lein Olga Bellido J\"org Weingrill Domenico Giannone Wolfgang Gaessler Michael lehmitz Adrian Kaminski Ingo Stilz Michael Sigwarth Alessandro Marconi Paolo Di Marcantonio Ernesto Oliva Igor Coretti Matteo Aliverti Giorgio Pariani Lorenzo Cabona Edouardo Maria Alberto Radaelli Marcello Scalera Andrea Balestera
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classification 🌌 astro-ph.IM
keywords designspectrographpreliminaryandesfiber-fedhigh-resolutioninstrumentspectrographs
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We present here the preliminary design of the RIZ module, one of the visible spectrographs of the ANDES instrument 1. It is a fiber-fed high-resolution, high-stability spectrograph. Its design follows the guidelines of successful predecessors such as HARPS and ESPRESSO. In this paper we present the status of the spectrograph at the preliminary design stage. The spectrograph will be a warm, vacuum-operated, thermally controlled and fiber-fed echelle spectrograph. Following the phase A design, the huge etendue of the telescope will be reformed in the instrument with a long slit made of smaller fibers. We discuss the system design of the spectrographs system.

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