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11 June 2021 Challenges during Metis-Solar Orbiter commissioning phase
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Proceedings Volume 11852, International Conference on Space Optics — ICSO 2020; 118525A (2021) https://doi.org/10.1117/12.2599944
Event: International Conference on Space Optics — ICSO 2021, 2021, Online Only
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Abstract
Metis is the visible light and UV light imaging coronagraph on board the ESA-NASA mission Solar Orbiter that has been launched February 10th, 2020, from Cape Canaveral. Scope of the mission is to study the Sun up close, taking high-resolution images of the Sun’s poles for the first time, and understanding the Sun-Earth connection. Metis coronagraph will image the solar corona in the linearly polarized broadband visible radiation and in the UV HI Ly-α line from 1.6 to 3 solar radii when at Solar Orbiter perihelion, providing a diagnostics, with unprecedented temporal coverage and spatial resolution, of the structures and dynamics of the full corona. Solar Orbiter commissioning phase big challenge was Covid-19 social distancing phase that affected the way commissioning of a spacecraft and its payload is typically done. Metis coronagraph on-board Solar Orbiter had its additional challenges: to wake up and check the performance of the optical, electrical and thermal subsystems, most of them unchecked since Metis delivery to spacecraft prime, Airbus, in May 2017. The roadmap to the fully commissioned coronagraph is here described throughout the steps from the software functional test, the switch on of the detectors of the two channels, UV and visible, to the optimization of the occulting system and the characterization of the instrumental stray light, one of the most challenging features in a coronagraph.
Conference Presentation
© (2021) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Marco Romoli, Vincenzo Andretta, Alessandro Bemporad, Marta Casti, Vania Da Deppo, Yara De Leo, Michele Fabi, Silvano Fineschi, Fabio Frassetto, Catia Grimani, Klaus Heerlein, Petr Heinzel, Giovanna Jerse, Federico Landini, Alessandro Liberatore, Enrico Magli, Giampiero Naletto, Gianalfredo Nicolini, Maurizio Pancrazzi, Maria Guglielmina Pelizzo, Paolo Romano, Clementina Sasso, Udo Schühle, Alessandra Slemer, Daniele Spadaro, Thomas Straus, Roberto Susino, Luca Teriaca, Michela Uslenghi, Cosimo Antonio Volpicelli, and Paola Zupella "Challenges during Metis-Solar Orbiter commissioning phase", Proc. SPIE 11852, International Conference on Space Optics — ICSO 2020, 118525A (11 June 2021); https://doi.org/10.1117/12.2599944
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