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Surface Composition of Mercury from NIR (0.7-4.2 μm) Ground-Based IRTF/SpeX Spectroscopy

Varatharajan, Indhu and Tsang, Constantine and Wohlfarth, Kay and Wöhler, Christian and Izenberg, N. R. and Helbert, Jörn (2019) Surface Composition of Mercury from NIR (0.7-4.2 μm) Ground-Based IRTF/SpeX Spectroscopy. EPSC-DPS Joint Meeting 2019, Geneva.

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On December 16-18, 2018,we obtained global disk-resolved NIR spectroscopic data of Mercury at the Infrared Telescope Facility (IRTF) on Mauna Kea, HI, using the SpeX 0.7-5.3 µm Medium-Resolution Spectrograph and Imager. During the observation, Mercury was ~63-70% illuminated. We observed geochemical terrains including high-Mg regions (HMR) where the largest abundances of Ca and S are found (HMR-CaS), northern volcanic plains (NVP), and intermediate terrain (IT) in the spectral region spanning 0.6–4.2 µm. These observations will not only yield new information of the surface mineralogy of Mercury for different geochemical terrains but will also help improve our preparations and planning for BepiColombo data acquisition and science for both spectroscopy and thermal inertia studies.

Item URL in elib:https://elib.dlr.de/131674/
Document Type:Conference or Workshop Item (Speech)
Title:Surface Composition of Mercury from NIR (0.7-4.2 μm) Ground-Based IRTF/SpeX Spectroscopy
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Varatharajan, IndhuIndhu.Varatharajan (at) dlr.deUNSPECIFIED
Tsang, ConstantineSouthwest Research Institute, Boulder, USAUNSPECIFIED
Wohlfarth, KayTU Dortmund University,Dortmund, GermanyUNSPECIFIED
Wöhler, ChristianTU Dortmund University,Dortmund, GermanyUNSPECIFIED
Izenberg, N. R.Johns Hopkins University Applied Physics Laboratory, USAUNSPECIFIED
Helbert, JörnJoern.Helbert (at) dlr.dehttps://orcid.org/0000-0001-5346-9505
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Page Range:EPSC-DPS2019-1331-2
Series Name:EPSC Abstracts
Keywords:Mercury, telescope, spectroscopy
Event Title:EPSC-DPS Joint Meeting 2019
Event Location:Geneva
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
Deposited By: Varatharajan, Indhu
Deposited On:01 Dec 2020 10:35
Last Modified:01 Dec 2020 10:35

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