A new perspective on Mercury's surface composition and temperatures: Mercury Radiometer and Thermal Infrared Spectrometer (MERTIS)

Gabriele E. Arnold; Jörn Helbert; Harald Hiesinger; Gisbert Peter

doi:10.1117/12.892894

16 September 2011 A new perspective on Mercury's surface composition and temperatures: Mercury Radiometer and Thermal Infrared Spectrometer (MERTIS)

Gabriele E. Arnold, Jörn Helbert, Harald Hiesinger, Gisbert Peter

Author Affiliations +

Proceedings Volume 8154, Infrared Remote Sensing and Instrumentation XIX; 81540X (2011) https://doi.org/10.1117/12.892894
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

MERTIS (MErcury Radiometer and Thermal Infrared Spectrometer), scheduled for launch on board the Bepi Colombo Mercury Orbiter, will be the first mid-infrared imaging spectrometer to explore the innermost planet of the Solar System from orbit. The instrument is an advanced IR technology designed to study the surface composition, and surface temperature variations of planet Mercury. High resolution and global mid-IR spectral and temperature data obtained by MERTIS will contribute to a better understanding of Mercury's genesis and evolution. MERTIS uses an uncooled microbolometer detector array. It combines a push-broom IR grating spectrometer (TIS) with a radiometer (TIR) sharing the same optics, instrument electronics, and in-fight calibration components for a wavelength range of 7-14 and 7-40 μm, respectively. The paper summarizes the scientific objectives, observational goals, comparative laboratory spectral studies of mineral analogues, and introduces the technical overview and actual instrument development status of the experiment.

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Gabriele E. Arnold, Jörn Helbert, Harald Hiesinger, and Gisbert Peter "A new perspective on Mercury's surface composition and temperatures: Mercury Radiometer and Thermal Infrared Spectrometer (MERTIS)", Proc. SPIE 8154, Infrared Remote Sensing and Instrumentation XIX, 81540X (16 September 2011); https://doi.org/10.1117/12.892894

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KEYWORDS

Mercury (planet)

Planets

Infrared spectroscopy

Spectroscopy

Mid-IR

Radiometry

Sensors

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