Estimate of the environment impact of the ELT instrument MOSAIC

Annemieke Janssen; Kacem El Hadi; Nazim Ali Bharmal; François Wildi; Cyril Pannetier; Gavin Dalton; Franck Ducret; Marisa Garcia Vargas; Jeff Lynn; Roser Pello; Eric Prieto; Mathieu Puech; Myriam Rodrigues; Ruben Sanchez-Janssen

doi:10.1117/12.3018865

23 August 2024 Estimate of the environment impact of the ELT instrument MOSAIC

Annemieke Janssen, Kacem El Hadi, Nazim Ali Bharmal, François Wildi, Cyril Pannetier, Gavin Dalton, Franck Ducret, Marisa Garcia Vargas, Jeff Lynn, Roser Pello, Eric Prieto, Mathieu Puech, Myriam Rodrigues, Ruben Sanchez-Janssen

Author Affiliations +

Proceedings Volume 13099, Modeling, Systems Engineering, and Project Management for Astronomy XI; 130990P (2024) https://doi.org/10.1117/12.3018865
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Abstract

MOSAIC is an instrument for the Extremely Large Telescope (ELT). The instrument has started phase B, and apart from technical and financial requirements, MOSAIC has the additional requirement to investigate and minimise its environmental impact. The first step is to estimate the carbon footprint (and other effects) in a ‘Life Cycle Analysis’, for the instrument development up to Provisional Acceptance in Chile. This paper presents a preliminary analysis, aimed at identifying potential contributors to environmental impact. Investigated contributors are: materials, Full-Time-Equivalents, travel, and transport of the instrument. Not yet investigated (due to lack of information or certainty) are: electronics, test facilities and prototyping. Uncertainty in input data and conversion factors leads to error bars of a factor 2 or larger. Therefore, the outcome of the analysis can be used for internal comparison of contributors only, and it should not be used for comparison to other instruments or disciplines.

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Annemieke Janssen, Kacem El Hadi, Nazim Ali Bharmal, François Wildi, Cyril Pannetier, Gavin Dalton, Franck Ducret, Marisa Garcia Vargas, Jeff Lynn, Roser Pello, Eric Prieto, Mathieu Puech, Myriam Rodrigues, and Ruben Sanchez-Janssen "Estimate of the environment impact of the ELT instrument MOSAIC", Proc. SPIE 13099, Modeling, Systems Engineering, and Project Management for Astronomy XI, 130990P (23 August 2024); https://doi.org/10.1117/12.3018865

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