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The mercury radiometer and thermal infrared imaging spectrometer (MERTIS) onboard Bepi Colombo: first inflight calibration results

D'Amore, Mario and Helbert, Jörn and Maturilli, Alessandro and Varatharajan, Indhu and Ulmer, Bernd and Säuberlich, Thomas and Berlin, Rainer and Peter, Gisbert and Hiesinger, Harald and Arnold, Gabriele (2019) The mercury radiometer and thermal infrared imaging spectrometer (MERTIS) onboard Bepi Colombo: first inflight calibration results. In: Infrared Remote Sensing and Instrumentation XXVII, 11128, 111280U. SPIE Optical Engineering + Applications, 2019, 13 - 15 August 2019, San Diego, USA. DOI: 10.1117/12.2529089

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Abstract

The MErcury Radiometer and Thermal Infrared Spectrometer (MERTIS) is an instrument to study the mineralogy and temperature distribution of Mercury’s surface in unprecedented detail. MERTIS was proposed in 2003 as payload of the Mercury Planetary Orbiter spacecraft of ESA-JAXA BepiColombo mission and will reach Mercury in 2025. MERTIS will map the whole surface at 500 m scale, combining a push-broom IR grating spectrometer (TIS) with a radiometer (TIR) sharing the same optics, instrument electronics and in-flight calibration components for the whole wavelength range of 7- 14um (TIS) and 7-40um (TIR). MERTIS successfully completed its planned tests of the Near-Earth Commissioning Phase (NECP) between 13 and 14 November, collecting thousands of measurements of its internal calibration bodies and deep space. The data collected during NECP, are being used to verify the operational performances of onboard sub-modules, in particular the spectrometer and radiometer sensor sensitivity. A preliminary look at calibrated data shows a performance comparable with ground-based measurements and no appreciable performance loss or misalignment. The next important dates for MERTIS are the Earth/Moon flyby on 6 April 2020 and the first Venus flyby on 12 October 2020. Both those encounters will be important both for further instrument calibration refinement and for possible unprecedented measurement in the thermal infrared of the Moon and Venus.

Item URL in elib:https://elib.dlr.de/131689/
Document Type:Conference or Workshop Item (Poster)
Title:The mercury radiometer and thermal infrared imaging spectrometer (MERTIS) onboard Bepi Colombo: first inflight calibration results
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
D'Amore, MarioMario.DAmore (at) dlr.dehttps://orcid.org/0000-0001-9325-6889
Helbert, JörnJoern.Helbert (at) dlr.dehttps://orcid.org/0000-0001-5346-9505
Maturilli, AlessandroAlessandro.Maturilli (at) dlr.deUNSPECIFIED
Varatharajan, IndhuIndhu.Varatharajan (at) dlr.deUNSPECIFIED
Ulmer, BerndIng.-büro UlmerUNSPECIFIED
Säuberlich, Thomasthomas.saeuberlich (at) dlr.deUNSPECIFIED
Berlin, RainerDLR Institut für Robotik und MechatronikUNSPECIFIED
Peter, Gisbertgisbert.peter (at) dlr.dehttps://orcid.org/0000-0001-6101-2513
Hiesinger, HaraldInstitut für Planetologie, Westfälische Wilhelms-Universität Münster, Wilhelm-Klemm-Str. 10, 48149 Muenster, GermanyUNSPECIFIED
Arnold, GabrieleGabriele.Arnold (at) dlr.deUNSPECIFIED
Date:2019
Journal or Publication Title:Infrared Remote Sensing and Instrumentation XXVII
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:11128
DOI :10.1117/12.2529089
Page Range:111280U
Series Name:Proceedings of SPIE - The International Society for Optical Engineering
Status:Published
Keywords:mercury, radiometer, thermal infrared, imaging, spectrometer , MERTIS, Bepi Colombo , inflight , calibration
Event Title:SPIE Optical Engineering + Applications, 2019
Event Location:San Diego, USA
Event Type:international Conference
Event Dates:13 - 15 August 2019
Organizer:Society of Photo-Optical Instrumentation Engineers (SPIE)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):Projekt BepiColombo MERTIS und BELA
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Leitungsbereich PF
Institute of Optical Sensor Systems > Space Instruments
Deposited By: Amore, Dr. Mario
Deposited On:03 Dec 2019 08:11
Last Modified:03 Dec 2019 08:11

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