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New Results of Radiation Study on Board TGO ExoMars in 2018–2023
Mitrofanov, I.; Golovin, D.; Kozyrev, A. +13 more
The article provides a brief description of the Liulin-MO dosimeter, which is part of the FREND (Fine Resolution Epithermal Neutron Detector) device installed on the TGO (Trace Gas Orbiter) spacecraft of the ExoMars-2016 mission. Since April 2018, TGO has been operating in orbit around Mars. Data are presented on the radiation environment in the o…
Thermal Sounding of the Martian Atmosphere Using the ACS TIRVIM FT-IR Spectrometer on Board ExoMars TGO: Method for Solving the Inverse Problem
Fedorova, A. A.; Grassi, D.; Shakun, A. V. +8 more
This paper presents a method for solving the inverse problem of thermal sounding using calibrated data from the ACS TIRVIM experiment on board the ExoMarsTrace Gas Orbiter. The 1.7-17 µm range TIRVIM Fourier spectrometer as part of the ACS instrument complex aboard the ExoMarsTGO operates in the nadir and solar occultation modes in orbit around Ma…
Simulation of Water Vapor Photodissociation during Dust Storm Season on Mars
Medvedev, A. S.; Rodin, A. V.; Shaposhnikov, D. S.
Within the framework of this work, using a three-dimensional numerical model of the general circulation of the Martian atmosphere MAOAM (Martian Atmosphere: Observation and Modeling), also known as MPI-MGCM (Max Planck Institute Martian General Circulation Model), we simulated the planet's hydrological cycle during the 28 and 34 Martian years (MY2…
Changes in the Martian atmosphere induced by auroral electron precipitation
Gérard, J. -C.; Hubert, B.; Shematovich, V. I. +1 more
Typical auroral events in the Martian atmosphere, such as discrete and diffuse auroral emissions detected by UV spectrometers onboard ESA Mars Express and NASA MAVEN, are investigated. Auroral electron kinetic energy distribution functions and energy spectra of the upward and downward electron fluxes are obtained by electron transport calculations…
How Particles in the Martian Atmosphere Influence the Thermal Protection Structure of the Descent Module EXOMARS-2
Golomazov, M. M.; Ivankov, A. A.
Methods for calculating heat and erosion impact caused by particles in the Martian atmosphere on the heat protection of the descent module EXOMARS-2 during descent in the atmosphere are presented. Atmosphere models corresponding to climatic conditions when landing on the Martian surface are investigated for the landing site Oxita Planum.
ESA ExoMars program: The next step in exploring Mars
Witasse, O.; Svedhem, H.; McCoy, D. +6 more
The ExoMars program is an ESA-Roscosmos cooperation with some NASA contributions. ExoMars consists of two missions, one in 2016 and one in 2018. The 2016 mission includes an orbiting satellite dedicated to the study of atmospheric trace gases to acquire information on possible on-going geological or biological processes, and a European entry, desc…
ACS experiment for atmospheric studies on "ExoMars-2016" Orbiter
Montmessin, F.; Fedorova, A. A.; Shakun, A. V. +6 more
ACS is a set of spectrometers for atmospheric studies (Atmospheric Chemistry Suite). It is one of the Russian instruments for the Trace Gas Orbiter (TGO) of the Russian-European "ExoMars" program. The purpose of the experiment is to study the Martian atmosphere by means of two observations regimes: sensitive trace gases measurements in solar occul…