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MERTIS - Exploring Mercury in the Thermal Infrared

Helbert, Jörn and D'Amore, Mario and Maturilli, Alessandro and Ferrari, Sabrina and Hiesinger, H. (2015) MERTIS - Exploring Mercury in the Thermal Infrared. AOGS 2015, 2 to 7 Aug, 2015, Singapore.

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Official URL: http://www.meetmatt-svr3.net/aogs/aogs2015/mars2/pubViewAbs.asp?sMode=session&sId=2&submit=Browse+Abstracts

Abstract

The Mercury Radiometer and Thermal infrared Imaging Spectrometer (MERTIS) is part of the payload of the Mercury Planetary Orbiter spacecraft of the ESA-JAXA BepiColombo mission. MERTIS’s scientific goals are to infer rock-forming minerals, to map surface composition, and to study surface temperature variations on Mercury. To achieve these science goals MERTIS combines a imaging spectrometer covering the wavelength range from 7-14 microns with a radiometer covering the wavelength range from 7-40 microns. MERTIS will map the whole surface of Mercury with a spatial resolution of 500m for the spectrometer channel and 2km for the radiometer channel. The MERTIS instrument had been proposed long before the NASA MESSENGER mission provided us with new insights into the innermost of the terrestrial planets. The discoveries of the MESSENGER fundamentally changed our view of Mercury. It revealed a surface that has been reshaped by volcanism over large parts of geological history. Volatile elements like sulfur have been detected with unexpectedly high abundances of up to 4%. MESSENGER imagined structures that are most likely formed by pyroclastic eruptions in recent geologic history. Among the most exciting discoveries of MESSENGER are hollows – bright irregularly shaped depressions that show sign of ongoing loss of material. Despite all this new results the MERTIS dataset remains unique and is now more important than ever. None of the instruments on the NASA MESSENGER mission covers the same spectral range or provides a measurement of the surface temperature. The MERTIS will complement the results of MESSENGER. MERTIS will for example be able to provide spatially resolved compositional information on the hollows and pyroclastic deposits – both among the most exciting discoveries by the MESSENGER mission for which the NASA mission can not provide compositional information.

Item URL in elib:https://elib.dlr.de/101766/
Document Type:Conference or Workshop Item (Speech)
Title:MERTIS - Exploring Mercury in the Thermal Infrared
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Helbert, JörnJoern.Helbert (at) dlr.dehttps://orcid.org/0000-0001-5346-9505
D'Amore, MarioMario.DAmore (at) dlr.dehttps://orcid.org/0000-0001-9325-6889
Maturilli, AlessandroAlessandro.Maturilli (at) dlr.deUNSPECIFIED
Ferrari, Sabrinasabrina.ferrari (at) dlr.deUNSPECIFIED
Hiesinger, H.Westfälische Wilhelms-Universität MünsterUNSPECIFIED
Date:August 2015
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:mertis, mercury, emissivity, pel
Event Title:AOGS 2015
Event Location:Singapore
Event Type:international Conference
Event Dates:2 to 7 Aug, 2015
Organizer:AOGS
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):R - Vorhaben BepiColombo (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Experimentelle Planetenphysik
Deposited By: Maturilli, Alessandro
Deposited On:06 Jan 2016 15:28
Last Modified:01 Dec 2018 19:51

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