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Thermal infrared imaging of Mercury - MERTIS - a new remote sensing technology

Arnold, Gabriele and Hiesinger, Harald and Helbert, Jörn and Paproth, Carsten and Säuberlich, Thomas and Peter, Gisbert and Walter, Ingo (2009) Thermal infrared imaging of Mercury - MERTIS - a new remote sensing technology. In: Infrared Remote Sensing and Instrumentation XVII, 7453. SPIE. Infrared Spaceborne Remote Sensing and Instrumentation XVII, 02.-06. Aug. 2009, San Diego, CA, USA.

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Official URL: http://spiedigitallibrary.org/proceedings/resource/2/psisdg/7453/1/745305_1?isAuthorized=no


MERTIS (MERcury Thermal infrared Imaging Spectrometer) is an advanced infrared remote sensing instrument that is part of the ESA mission BepiColombo to the planet Mercury. The scientific goals of MERTIS science are surface composition analyses, identification of rock-forming minerals, mapping of the surface mineralogy, and studies of surface temperature variations. MERTIS combines a push-broom IR grating spectrometer (TIS) with a radiometer (TIR), which operate in the wavelength region of 7-14 μm (TIS) and 7-40 μm (TIR), respectively. The instrument represents a modular concept of the sensor head, electronic units and power/calibration systems. The integrated instrument approach allows the subsystems TIS and TIR to share the same optics, instrument electronics and in-fight calibration components. The instrument is designed to achieve a signal-to-noise ratio above 100 in the 7-14 μm wavelength range with a spectral channel width of 90 nm. The TIS optical design combines a three mirror anastigmat (TMA) with a modified Offner spectrometer. The spatial resolution will be about 500 m globally and better than 500 m for 5-10% of the Mercury's surface. With an uncooled microbolometer detector, the instrument can be operated in the hot environment of Mercury without the need for a cryogenic cooling system. We are reporting on the measurement requirements, the status of the instrument development, and ongoing qualification efforts.

Item URL in elib:https://elib.dlr.de/68626/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Thermal infrared imaging of Mercury - MERTIS - a new remote sensing technology
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Arnold, GabrieleGabriele.Arnold (at) dlr.deUNSPECIFIED
Hiesinger, HaraldWestfälische Wilhelms-Universität MünsterUNSPECIFIED
Helbert, Jörnjoern.helbert (at) dlr.deUNSPECIFIED
Paproth, Carstencarsten.paproth (at) dlr.deUNSPECIFIED
Säuberlich, Thomasthomas.saeuberlich (at) dlr.deUNSPECIFIED
Peter, Gisbertgisbert.peter (at) dlr.deUNSPECIFIED
Walter, Ingoingo.walter (at) dlr.deUNSPECIFIED
Date:5 August 2009
Journal or Publication Title:Infrared Remote Sensing and Instrumentation XVII
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Strojnik, MarijaUNSPECIFIED
Series Name:Proceedings of SPIE
Keywords:Infrared spectroscopy, infrared space observatory, remote sensing, imaging systems, emission, optical systems
Event Title:Infrared Spaceborne Remote Sensing and Instrumentation XVII
Event Location:San Diego, CA, USA
Event Type:international Conference
Event Dates:02.-06. Aug. 2009
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben BepiColombo (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Physics
Optical Information Systems
Deposited By: Kappel, David
Deposited On:24 Jan 2011 07:36
Last Modified:24 Jan 2011 07:36

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