Preliminary characterization and verification of 4MOST in Europe

Genoveva Micheva; Olga Bellido-Tirado; Joar Brynnel; Steffen Frey; Andreas Kelz; Roelof S. de Jong; Allar Saviauk; Roland Winkler; Florence Laurent; Walter Seifert; Ingo Stilz; Florian Rothmaier; Alexander Pramskiy; Michael Lehmitz; Wolfgang Gaessler; Ioannis Politopoulos; Jonathan Irwin; Michael J. Irwin; Jens-Kristian Krogager; Gérard Zins; Andreas Quirrenbach; Wenli Xu

doi:10.1117/12.3019870

18 July 2024 Preliminary characterization and verification of 4MOST in Europe

Genoveva Micheva, Olga Bellido-Tirado, Joar Brynnel, Steffen Frey, Andreas Kelz, Roelof S. de Jong, Allar Saviauk, Roland Winkler, Florence Laurent, Walter Seifert, Ingo Stilz, Florian Rothmaier, Alexander Pramskiy, Michael Lehmitz, Wolfgang Gaessler, Ioannis Politopoulos, Jonathan Irwin, Michael J. Irwin, Jens-Kristian Krogager, Gérard Zins, Andreas Quirrenbach, Wenli Xu

Author Affiliations +

Proceedings Volume 13096, Ground-based and Airborne Instrumentation for Astronomy X; 1309623 (2024) https://doi.org/10.1117/12.3019870
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

4MOST is a versatile spectroscopic facility soon to be installed on the ESO VISTA Telescope at Paranal. Prior to shipment to Chile, our team is conducting a comprehensive characterization of the instrument in a controlled laboratory setting. This preparatory phase is crucial for ensuring the fulfilment of both technical specifications and some key user requirements. The goal of this verification campaign is to obtain characterization data which will benchmark the performance of the spectrographs and the calibration unit against established metrics. The data primarily tests the spectral performance of the three spectrographs, the stability of the system, including the calibration unit, as well as the fiber throughput, which are pivotal for the success of 4MOST’s ambitious science goals. Additionally, the verification contains a selection of user requirements, ensuring the instrument’s readiness for the diverse scientific objectives it aims to enable. The results from these tests inform the observational strategy for future normal science operations. In this paper we outline the undertaken preparatory work, the applied testing procedures, and the anticipated implications of these tests, and their results, in the context of the final verification at the telescope, commissioning and normal science operations. This initial test phase marks a critical juncture in the 4MOST project timeline, setting the stage for a successful commissioning.

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

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Genoveva Micheva, Olga Bellido-Tirado, Joar Brynnel, Steffen Frey, Andreas Kelz, Roelof S. de Jong, Allar Saviauk, Roland Winkler, Florence Laurent, Walter Seifert, Ingo Stilz, Florian Rothmaier, Alexander Pramskiy, Michael Lehmitz, Wolfgang Gaessler, Ioannis Politopoulos, Jonathan Irwin, Michael J. Irwin, Jens-Kristian Krogager, Gérard Zins, Andreas Quirrenbach, and Wenli Xu "Preliminary characterization and verification of 4MOST in Europe", Proc. SPIE 13096, Ground-based and Airborne Instrumentation for Astronomy X, 1309623 (18 July 2024); https://doi.org/10.1117/12.3019870

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