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On-ground flat-field calibration of the Metis coronagraph onboard the Solar Orbiter ESA mission

  • C. Casini
  • , V. da Deppo
  • , P. Zuppella
  • , P. Chioetto
  • , A. Slemer
  • , F. Frassetto
  • , M. Romoli
  • , F. Landini
  • , M. Pancrazzi
  • , V. Andretta
  • , Y. de Leo
  • , A. Bemporad
  • , M. Fabi
  • , S. Fineschi
  • , F. Frassati
  • , C. Grimani
  • , G. Jerse
  • , K. Heerlein
  • , A. Liberatore
  • , E. Magli
  • G. Naletto, G. Nicolini, M. G. Pelizzo, P. Romano, C. Sasso, D. Spadaro, M. Stangalini, T. Straus, R. Susino, L. Teriaca, M. Uslenghi, M. Casti, P. Heinzel, A. Volpicelli
  • CNR - IFN
  • University of Padova
  • University of Florence
  • Istituto di Astrofisica e Planetologia Spaziali (IAPS)
  • INAFOsservatorio Astronomico di Capodimonte
  • Università degli Studi di Catania
  • Max-Planck-Institut für Sonnensystemforschung
  • University of Urbino Carlo Bo
  • INAF-Trieste
  • INAF Osservatorio Astrofisico di Catania
  • Science and Research Directorate
  • INAF Istituto di Astrofisica Spaziale e Fisica Cosmica, Milan
  • Catholic University of America
  • Astronomical Institute, Academy of Sciences of the Czech Republic v.v.i.

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)

Abstract

Solar Orbiter, launched on February 9th 2020, is an ESA/NASA mission conceived to study the Sun. This work presents the embedded Metis coronagraph and its on-ground calibration in the 580-640 nm wavelength range using a flat field panel. It provides a uniform illumination to evaluate the response of each pixel of the detector; and to characterize the Field of View (FoV) of the coronagraph. Different images with different exposure times were acquired during the on-ground calibration campaign. They were analyzed to verify the linearity response of the instrument and the requirements for the FoV: the maximum area of the sky that Metis can acquire.

Original languageEnglish
Article number118525B
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume11852
DOIs
Publication statusPublished - 1 Jan 2021
Externally publishedYes
Event2020 International Conference on Space Optics, ICSO 2020 - Virtual, Online
Duration: 30 Mar 20212 Apr 2021

Keywords

  • Coronagraph
  • Flat Field
  • Metis
  • Solar Orbiter
  • Space Instrumentation

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