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MERTIS seeing the Moon in the TIR: results from first BepiColombo

Maturilli, Alessandro and Helbert, Jörn and Hiesinger, H. and Alemanno, Giulia and Schwinger, Sabrina and D'Amore, M. and Neumaier, A. (2020) MERTIS seeing the Moon in the TIR: results from first BepiColombo. European Lunar Symposium (ELS), Padua, Italy.

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The Mercury Radiometer and Thermal Infrared Spectrometer (MERTIS) is part of the ESA BepiColombo Mercury Planetary Orbiter (MPO) payload and consists of a push-broom IR-spectrometer (-TIS) and a radiometer (-TIR) [1]. MERTIS-TIS and -TIR make use of the same optics, electronics, and inflight calibration components [2, 3]. MERTIS-TIS operates at wavelengths of 7-14 µm, has 78 spectral channels, and a spectral resolution of λ/∆λ=78-156. The radiometer operates between 7 and 40 µm with 2 spectral channels. Depending on surface characteristics, MERTIS spectral resolution is adapted to optimize the S/R ratio. Thus, the instrument is capable of resolving weak spectral bands with less than 1% contrast. During the long cruise to Mercury, and before its arrival on December 5th 2025, BepiColombo will perform 9 flybys: among them, the Earth/Moon flyby on April 10 th 2020. Due to the flight configuration, not all the instruments onboard BepiColombo are able to operate during cruise and flybys. Among the instruments that can operate is MERTIS. The MERTIS imaging spectrometer will provide the first hyperspectral observation of the Moon in the thermal infrared (TIR) wavelength range from space. At the Planetary Spectroscopy Laboratory (PSL) of DLR in Berlin, a spectral library for lunar analog rocks in the TIR spectral range, measured under simulated Moon surface conditions, has been built to help the interpretation of MERTIS’ Moon spectra.

Item URL in elib:https://elib.dlr.de/138454/
Document Type:Conference or Workshop Item (Speech)
Title:MERTIS seeing the Moon in the TIR: results from first BepiColombo
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Maturilli, AlessandroAlessandro.Maturilli (at) dlr.dehttps://orcid.org/0000-0003-4613-9799
Helbert, JörnJoern.Helbert (at) dlr.dehttps://orcid.org/0000-0001-5346-9505
Hiesinger, H.Westfälische Wilhelms-Universität MünsterUNSPECIFIED
Alemanno, GiuliaGiulia.Alemanno (at) dlr.deUNSPECIFIED
Schwinger, SabrinaSabrina.Schwinger (at) dlr.deUNSPECIFIED
D'Amore, M.mario.damore (at) dlr.deUNSPECIFIED
Date:May 2020
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:MERTIS, BepiColombo, Moon
Event Title:European Lunar Symposium (ELS)
Event Location:Padua, Italy
Event Type:international Conference
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Project BepiColombo - MERTIS and BELA
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Laboratories
Institute of Planetary Research > Planetary Physics
Deposited By: Maturilli, Dr. Alessandro
Deposited On:27 Nov 2020 09:31
Last Modified:27 Nov 2020 09:31

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