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The Berlin Emissivity Database (BED): a collection of planetary analogues

Maturilli, A. and Helbert, J. (2007) The Berlin Emissivity Database (BED): a collection of planetary analogues. In: 2nd European Planetary Science Congress, EPSC2007-A-00281. European Planetary Science Congress (EPSC), 2007-08-20 - 2007-08-24, Potsdam (Germany).

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Abstract

Mineralogical composition study of planetary surfaces is mostly performed by means of remote sensing infrared spectroscopy. The interpretation of measured spectra should take advantage of laboratory measurements of analogue minerals. The Berlin Emissivity Database (BED) is focused on relatively fine-grained size separates to provide a realistic basis for the interpretation of remote sensing thermal emission spectra of planetary regoliths. The Berlin Emissivity Database (BED) currently contains emissivity spectra of plagioclase and potassium feldspars, low Ca and high Ca pyroxenes, olivine, elemental sulphur, Martian analogue minerals, and volcanic soils measured in the wavelength range from 7 to 22 μm as a function of particle size. For each sample we measured the spectra of four particle size separates ranging from smaller than 25 to 250 μm. The emissivity device is built at DLR (Berlin) and is coupled to a Fourier transform infrared spectrometer (Bruker IFS 88), purged with dry air and equipped with a cooled MTC detector. All spectra were acquired with a spectral resolution of 4 cm<sup>-1</sup>. We are currently working to upgrade our emissivity facility: a new spectrometer (Bruker VERTEX 80v) and new detectors will allow us to measure the emissivity of samples in the wavelength range from 1 to 50 μm, even in a vacuum environment.

Document Type:Conference or Workshop Item (Speech)
Title:The Berlin Emissivity Database (BED): a collection of planetary analogues
Authors:
AuthorsInstitution or Email of Authors
Maturilli, A.UNSPECIFIED
Helbert, J.UNSPECIFIED
Date:August 2007
Journal or Publication Title:2nd European Planetary Science Congress
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:EPSC2007-A-00281
Status:Published
Keywords:emissivity
Event Title:European Planetary Science Congress (EPSC)
Event Location:Potsdam (Germany)
Event Type:international Conference
Event Dates:2007-08-20 - 2007-08-24
Organizer:Europlanet (European Planetology Network)
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 Vergleichende Planetologie (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Physics
Deposited By: Stefanie Musiol
Deposited On:30 Aug 2007
Last Modified:27 Apr 2009 14:19

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