ANDES, the high resolution spectrograph for the ELT: system architecture design of Phase-B-one

A. Zanutta; A. Manuel; M. Aliverti; A. Balestra; O. Bellido-Tirado; A. Brucalassi; L. Cabona; A. Cabral; B. Chazelas; I. Coretti; P. Di Marcantonio; M. Ebert; W. Gaessler; X. Gao; V. Geers; E. Giro; O. Gonzalez; P. Huke; M. Landoni; W. Laun; D. Lee; M. Lehmitz; D. Lunney; M. MacIntosh; A. Marconi; M. Monteiro; D. Montgomery; E. Oliva; L. Origlia; G. Pariani; E. Pinna; E. M. A. Redaelli; M, Riva; R.-R. Rohloff; P. Santos Diaz; M. Scalera; W. Seifert; C. Selmi; A. Tozzi; C. Waring; M. Weber; B. Wehbe; J. Weingrill; M. Xompero; W. Xu

doi:10.1117/12.3014700

18 July 2024 ANDES, the high resolution spectrograph for the ELT: system architecture design of Phase-B-one

A. Zanutta, A. Manuel, M. Aliverti, A. Balestra, O. Bellido-Tirado, A. Brucalassi, L. Cabona, A. Cabral, B. Chazelas, I. Coretti, P. Di Marcantonio, M. Ebert, W. Gaessler, X. Gao, V. Geers, E. Giro, O. Gonzalez, P. Huke, M. Landoni, W. Laun, D. Lee, M. Lehmitz, D. Lunney, M. MacIntosh, A. Marconi, M. Monteiro, D. Montgomery, E. Oliva, L. Origlia, G. Pariani, E. Pinna, E. M. A. Redaelli, M, Riva, R.-R. Rohloff, P. Santos Diaz, M. Scalera, W. Seifert, C. Selmi, A. Tozzi, C. Waring, M. Weber, B. Wehbe, J. Weingrill, M. Xompero, W. Xu

Author Affiliations +

Proceedings Volume 13096, Ground-based and Airborne Instrumentation for Astronomy X; 130964D (2024) https://doi.org/10.1117/12.3014700
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

We describe the instrument’s design and architecture, emphasizing its unique features. The design is driven by requirements on resolving power, slit area, spectral coverage and stability. The instrument can operate in seeinglimited or SCAO modes, with options for sky and/or calibration measurements. In SCAO mode, it can use a small Integral Field Unit (IFU) with different spaxel scales. The light from the telescope reaches the Front-End on the Nasmyth platform, which has four insertable modules: two seeing-limited arms, one SCAO arm and one IFU arm. They are connected by fibres or fibre bundles to the Spectrographs in different locations: the Nasmyth Platform and the Coud´e room. The wavelength splitting depends on the fibre transparency. The subsystems are placed at different distances from the telescope. In Phase-B-one, we performed analyses to define the best trade-off for the budgets and architecture. We extended the spectrographs toward the goal ranges as much as possible. ANDES is complex, but its sophisticated and modular design will enable next-generation astronomy research.

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

Citation Download Citation

A. Zanutta, A. Manuel, M. Aliverti, A. Balestra, O. Bellido-Tirado, A. Brucalassi, L. Cabona, A. Cabral, B. Chazelas, I. Coretti, P. Di Marcantonio, M. Ebert, W. Gaessler, X. Gao, V. Geers, E. Giro, O. Gonzalez, P. Huke, M. Landoni, W. Laun, D. Lee, M. Lehmitz, D. Lunney, M. MacIntosh, A. Marconi, M. Monteiro, D. Montgomery, E. Oliva, L. Origlia, G. Pariani, E. Pinna, E. M. A. Redaelli, M, Riva, R.-R. Rohloff, P. Santos Diaz, M. Scalera, W. Seifert, C. Selmi, A. Tozzi, C. Waring, M. Weber, B. Wehbe, J. Weingrill, M. Xompero, and W. Xu "ANDES, the high resolution spectrograph for the ELT: system architecture design of Phase-B-one", Proc. SPIE 13096, Ground-based and Airborne Instrumentation for Astronomy X, 130964D (18 July 2024); https://doi.org/10.1117/12.3014700

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