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

Michael Weber; Manfred Woche; Daniel Sablowski; Klaus G. Strassmeier; Katja Poppenhäger; Julián David Alvarado-Gómez; Svend-Marian Bauer; Olga Bellido-Tirado; Joar Brynnel; Frank Dionies; Christine Füßlein; Domenico Giannone; Arto Järvinen; Silva Järvinen; Jonathan Kern; Hakan Önel; Christian Schwab; Jörg Weingrill; Markus Roth; Michael Sigwarth; Bruno Chazelas; Audrey Lanotte; Pablo Santos Diaz; Ludovic Genolet; Michael Sordet; Ian Hughes; Christophe Lovis; Manuel Amate; José Peñate Castro; Afrodisio Vega-Moreno; Roberto M. Luís Simoes; Jonay I. González-Hernández; María R. Zapatero Osorio; Pedro J. Amado; Rocío Calvo-Ortega; Roberto Varas González; Wolfgang Gaessler; Michael Lehmitz; Adrian Kaminski; Ingo Stilz; A. Zanutta; P. Di Marcantonio; A. Marconi; M. Scalera; M. Aliverti; L. Cabona; G. Pariani; E. Olivia; I. Coretti; E. M. A. Redaelli

doi:10.1117/12.3020025

18 July 2024 ANDES, the high-resolution spectrograph for the ELT: UBV spectrograph preliminary design

Michael Weber, Manfred Woche, Daniel Sablowski, Klaus G. Strassmeier, Katja Poppenhäger, Julián David Alvarado-Gómez, Svend-Marian Bauer, Olga Bellido-Tirado, Joar Brynnel, Frank Dionies, Christine Füßlein, Domenico Giannone, Arto Järvinen, Silva Järvinen, Jonathan Kern, Hakan Önel, Christian Schwab, Jörg Weingrill, Markus Roth, Michael Sigwarth, Bruno Chazelas, Audrey Lanotte, Pablo Santos Diaz, Ludovic Genolet, Michael Sordet, Ian Hughes, Christophe Lovis, Manuel Amate, José Peñate Castro, Afrodisio Vega-Moreno, Roberto M. Luís Simoes, Jonay I. González-Hernández, María R. Zapatero Osorio, Pedro J. Amado, Rocío Calvo-Ortega, Roberto Varas González, Wolfgang Gaessler, Michael Lehmitz, Adrian Kaminski, Ingo Stilz, A. Zanutta, P. Di Marcantonio, A. Marconi, M. Scalera, M. Aliverti, L. Cabona, G. Pariani, E. Olivia, I. Coretti, E. M. A. Redaelli

Author Affiliations +

Proceedings Volume 13096, Ground-based and Airborne Instrumentation for Astronomy X; 130964A (2024) https://doi.org/10.1117/12.3020025
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

We present the design of the ANDES UBV module, the bluest spectrograph of the ANDES instrument. It is a fiber-fed high resolution, high stability spectrograph, which will be installed on the ELT-Nasmyth platform to minimize blue fibre losses from the focal plane to the spectrograph. In this paper we present the status of development of the spectrograph, its optical design, and auxiliary devices like exposure meter and leveling system, at the preliminary design stage. As stability is the prime design driver, a thermal enclosure is provided to keep temperature of the optical train stable at ambient conditions, and the pressure is kept constant at high vacuum level. The science, sky background and simultaneous calibration light is fed to the spectrographs via fiber bundles of 66 fibres, which are arranged in a straight row forming the spectrograph slit.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Michael Weber, Manfred Woche, Daniel Sablowski, Klaus G. Strassmeier, Katja Poppenhäger, Julián David Alvarado-Gómez, Svend-Marian Bauer, Olga Bellido-Tirado, Joar Brynnel, Frank Dionies, Christine Füßlein, Domenico Giannone, Arto Järvinen, Silva Järvinen, Jonathan Kern, Hakan Önel, Christian Schwab, Jörg Weingrill, Markus Roth, Michael Sigwarth, Bruno Chazelas, Audrey Lanotte, Pablo Santos Diaz, Ludovic Genolet, Michael Sordet, Ian Hughes, Christophe Lovis, Manuel Amate, José Peñate Castro, Afrodisio Vega-Moreno, Roberto M. Luís Simoes, Jonay I. González-Hernández, María R. Zapatero Osorio, Pedro J. Amado, Rocío Calvo-Ortega, Roberto Varas González, Wolfgang Gaessler, Michael Lehmitz, Adrian Kaminski, Ingo Stilz, A. Zanutta, P. Di Marcantonio, A. Marconi, M. Scalera, M. Aliverti, L. Cabona, G. Pariani, E. Olivia, I. Coretti, and E. M. A. Redaelli "ANDES, the high-resolution spectrograph for the ELT: UBV spectrograph preliminary design", Proc. SPIE 13096, Ground-based and Airborne Instrumentation for Astronomy X, 130964A (18 July 2024); https://doi.org/10.1117/12.3020025

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