MAJIS, Moons and Jupiter Imaging Spectrometer, is one of the scientific payloads aboard European Space Agency’s Jupiter Icy Moons Explorer mission. This instrument underwent a comprehensive characterization and calibration campaign before integration on the spacecraft. In this work, we report on the measurements of the instrumental spatial responses, including the slit and pixel functions, the knife edge function, the ensquared energy, and the keystone aberration. The measurements were repeated in several positions of the field of view and within the range of MAJIS temperatures during science observations. The goal was to characterize the instrument’s response under a wide set of conditions and at different visible-infrared wavelengths. The experimental setups employed to perform calibrations are described in detail, and the methodology applied to derive the instrumental spatial responses is discussed. After launch, minor changes in the instrument response and the coalignment between the two spectral channels were identified by comparing on-ground data with the first in-flight data returned by MAJIS.
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April 2024
Research Article|
April 23 2024
Calibration of MAJIS (Moons And Jupiter Imaging Spectrometer). II. Spatial calibration
Gianrico Filacchione
;
Gianrico Filacchione
a)
(Conceptualization, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing)
1
INAF-IAPS, Istituto di Astrofisica e Planetologia Spaziali
, via del Fosso del Cavaliere, 100, 00133 Rome, Italy
a)Author to whom correspondence should be addressed: [email protected]
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Paolo Haffoud
;
Paolo Haffoud
(Formal analysis, Investigation, Methodology, Writing – original draft)
2
Institut d’Astrophysique Spatial, CNRS-Université Paris-Saclay
, Orsay 91400, France
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Francois Poulet
;
Francois Poulet
(Conceptualization, Data curation, Funding acquisition, Methodology, Project administration, Supervision, Writing – original draft)
2
Institut d’Astrophysique Spatial, CNRS-Université Paris-Saclay
, Orsay 91400, France
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Giuseppe Piccioni
;
Giuseppe Piccioni
(Conceptualization, Funding acquisition, Supervision)
1
INAF-IAPS, Istituto di Astrofisica e Planetologia Spaziali
, via del Fosso del Cavaliere, 100, 00133 Rome, Italy
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Yves Langevin
;
Yves Langevin
(Conceptualization, Formal analysis, Funding acquisition, Methodology, Supervision)
2
Institut d’Astrophysique Spatial, CNRS-Université Paris-Saclay
, Orsay 91400, France
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Leonardo Tommasi;
Leonardo Tommasi
(Conceptualization, Investigation, Resources, Supervision)
3
Leonardo Company
, via delle Officine Galileo, 1, Campi Bisenzio, Florence 50013, Italy
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Alessandra Barbis;
Alessandra Barbis
(Formal analysis, Investigation, Resources)
3
Leonardo Company
, via delle Officine Galileo, 1, Campi Bisenzio, Florence 50013, Italy
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John Carter
;
John Carter
(Conceptualization, Funding acquisition, Investigation, Resources)
2
Institut d’Astrophysique Spatial, CNRS-Université Paris-Saclay
, Orsay 91400, France
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Irene Guerri;
Irene Guerri
(Conceptualization, Investigation)
3
Leonardo Company
, via delle Officine Galileo, 1, Campi Bisenzio, Florence 50013, Italy
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Cydalise Dumesnil
;
Cydalise Dumesnil
(Data curation, Project administration, Resources)
2
Institut d’Astrophysique Spatial, CNRS-Université Paris-Saclay
, Orsay 91400, France
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Simone De Angelis
;
Simone De Angelis
(Conceptualization)
1
INAF-IAPS, Istituto di Astrofisica e Planetologia Spaziali
, via del Fosso del Cavaliere, 100, 00133 Rome, Italy
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Mathieu Vincendon
;
Mathieu Vincendon
(Conceptualization, Data curation, Methodology, Project administration, Supervision)
2
Institut d’Astrophysique Spatial, CNRS-Université Paris-Saclay
, Orsay 91400, France
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Stefania Stefani
;
Stefania Stefani
(Conceptualization, Resources)
1
INAF-IAPS, Istituto di Astrofisica e Planetologia Spaziali
, via del Fosso del Cavaliere, 100, 00133 Rome, Italy
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Cedric Pilorget
;
Cedric Pilorget
(Conceptualization, Investigation, Resources)
4
Institut d’Astrophysique Spatiale, CNRS-Universite Paris-Saclay
, Orsay 91400, France
and Institut Universitaire de France
, Paris, France
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Federico Tosi
;
Federico Tosi
(Conceptualization)
1
INAF-IAPS, Istituto di Astrofisica e Planetologia Spaziali
, via del Fosso del Cavaliere, 100, 00133 Rome, Italy
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Sebastien Rodriguez
Sebastien Rodriguez
(Investigation, Methodology)
5
Institut de Physique du Globe de Paris, CNRS-Université Paris-Cité
, Paris 75005, France
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a)Author to whom correspondence should be addressed: [email protected]
Rev. Sci. Instrum. 95, 041301 (2024)
Article history
Received:
February 17 2024
Accepted:
April 05 2024
Citation
Gianrico Filacchione, Paolo Haffoud, Francois Poulet, Giuseppe Piccioni, Yves Langevin, Leonardo Tommasi, Alessandra Barbis, John Carter, Irene Guerri, Cydalise Dumesnil, Simone De Angelis, Mathieu Vincendon, Stefania Stefani, Cedric Pilorget, Federico Tosi, Sebastien Rodriguez; Calibration of MAJIS (Moons And Jupiter Imaging Spectrometer). II. Spatial calibration. Rev. Sci. Instrum. 1 April 2024; 95 (4): 041301. https://doi.org/10.1063/5.0203872
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