The MicrOmega Investigation Onboard ExoMars

被引：94

作者：

Bibring, Jean-Pierre ^{[1
]}

Hamm, Vincent ^{[1
]}

Pilorget, Cedric ^{[1
]}

Vago, Jorge L. ^{[2
]}

机构：

[1] Inst Astrophys Spatiale, F-ORSAY Orsay, France

[2] Estec, ESA, Noordwijk, Netherlands

来源：

ASTROBIOLOGY | 2017年 / 17卷 / 6-7期

关键词：

Spectroscopy; Microscopy; Composition; Organics; Mineralogy; REFLECTANCE SPECTROSCOPY; MINERALS;

D O I：

10.1089/ast.2016.1642

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

MicrOmega is a visible near-infrared hyperspectral microscope that is designed to characterize the texture and composition of martian samples presented to the instrument within the ExoMars rover's analytical laboratory drawer. The spectral range (0.5-3.65 mm) and the spectral sampling (20 cm(-1) from 0.95 to 3.65 mu m) of MicrOmega have been chosen to allow the identification of most constituent minerals, ices/frosts, and organics with astrobiological relevance within each 20 x 20 mm 2 pixel over a 5 x 5mm 2 field of view. Such an unprecedented characterization will enable (1) identification of most major and minor phases, including the potential organics; (2) ascription of their mineralogical context, as a critical set of clues with which to decipher their formation process; and (3) location of specific grains or regions of interest in the samples, which will be further analyzed by Raman Laser Spectrometer and/or Mars Organic Molecule Analyzer.

引用

页码：621 / 626

页数：6

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