Výsledky vyhledávání - "Alexander, Trokhimovskiy"

High-resolution solar spectrum obtained from TGO orbiting Mars reveals new solar lines in the 0.7-1.7 µm range

Autor: Abdanour Irbah, Jean-Loup Bertaux, Franck Montmessin, Alexander Trokhimovskiy, Oleg Korablev, Anna Fedorova

The ACS-NIR spectrometer on board the Trace Gas Orbiter (TGO) is currently used to probe the atmosphere of Mars. It is, however, capable of measuring the near-infrared solar spectrum in the 0.7-1.7 µm domain with high spectral resolution when pointe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::67cf30b790148f81cb86561f3d650f8e
https://doi.org/10.5194/egusphere-egu23-9484

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The chlorine cycle on Mars: What do we know after three Mars years of observation with ACS on TGO?

Autor: Kevin S. Olsen, Alexander Trokhimovskiy, Anna A. Fedorova, Armin Kleinbohl, Franck Lefèvre, Franck Montmessin, Oleg I. Korablev, Juan Alday, Lucio Baggio, Denis A. Belyaev, Andrey S. Patrakeev, Alexey Shakun, Manish Patel

The Atmospheric Chemistry Suite (ACS) on the ExoMars Trace Gas Orbiter (TGO) took its first science observation in April 2018, right before the onset of the Mars Year (MY) 34 global dust storm. One of the main objectives of the TGO mission is to sear

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b6e3877d2538f0d4fd9fbb53a7926be0
https://doi.org/10.5194/egusphere-egu23-16154

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Photochemistry on Mars reduces the abundance of heavy isotopes in atmospheric CO and their escape efficiency to space

Autor: Juan Alday, Alexander Trokhimovskiy, Manish Patel, Anna Fedorova, Franck Lefèvre, Franck Montmessin, James Holmes, Kylash Rajendran, Jon Mason, Kevin Olsen, Denis Belyaev, Oleg Korablev, Lucio Baggio, Andrey Patrakeev, Alexey Shakun

The atmosphere of Mars is enriched in heavy isotopes with respect to Earth as a result of the escape of the atmosphere to space over billions of years. Estimating the enrichment in heavy isotopes due to atmospheric escape requires a rigorous understa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c3ab40e001308a24561acc4a872d681f
https://doi.org/10.21203/rs.3.rs-2370988/v1

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Martian Atmospheric Chemistry of HCl: Implications for the Lifetime of Atmospheric Methane

Autor: Benjamin M. Taysum, Paul I. Palmer, Mikhail Luginin, Nikolay Ignatiev, Alexander Trokhimovskiy, Alexey Shakun, Alexey Grigoriev, Franck Montmessin, Oleg Korablev, Kevin Olsen

We develop a 1-D atmospheric photochemistry model for Mars to interpret hydrogen chloride (HCl) profile measurements collected by the ACS MIR spectrometer aboard the ExoMars Trace Gas Orbiter (TGO) in Mars Year (MY) 34. We include a gas-phase chlorin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::367b21c5a7092122462901a66c891ba4
https://elib.dlr.de/195748/

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Climatology of the CO vertical distribution on Mars based on ACS TGO measurements

Autor: Anna Fedorova, Alexander Trokhimovskiy, Franck Lefèvre, Kevin S. Olsen, Oleg Korablev, Franck Montmessin, Nikolay Ignatiev, Alexander Lomakin, Francois Forget, Denis Belyaev, Juan Alday, Mikhail Luginin, Michael Smith, Andrey Patrakeev, Alexey Shakun, Alexey Grigoriev

Carbon monoxide is a non-condensable gas in the Martian atmosphere produced by the photolysis of CO2. Its abundance responds to the condensation and sublimation of CO2 from the polar caps, resulting in seasonal variations of the CO mixing ratio. ACS

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::799c48efea828320e1140172816ef706
https://doi.org/10.1029/2022je007195

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Particulate atmospheric endmembers retrieval from ExoMars Thermal Infrared (TIRVIM) spectral data

Autor: Giulia Alemanno, Mario D'Amore, Alessandro Maturilli, Jörn Helbert, Gabriele Arnold, Oleg Korablev, Nikolay Ignatiev, Alexey Grigoriev, Alexey Shakun, Alexander Trokhimovskiy

1. Introduction Thermal infrared datasets from planetary bodies have the potential to provide key insights for the understanding of a planet's climate evolution and history: valuable information about composition, temperature and state of the atmosph

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad1a785fc0323023f549ae036741dbaa
https://doi.org/10.5194/epsc2022-862

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Modeling the Martian HDO cycle with a Global Climate Model during the 'dusty' season

Autor: Margaux Vals, Franck Montmessin, Loïc Rossi, Ashwin Braude, Franck Lefèvre, Francisco Gonzalez-Galindo, Jean-Yves Chaufray, Anna Fedorova, Juan Alday, François Forget, Ehouarn Millour, Oleg Korablev, Alexander Trokhimovskiy, Alexey Shakun

The D/H ratio measured in the Martian atmosphere gives an estimation of the planet’s water escape rate. We present here a global circulation model including the water isotope HDO and the main physical processes of fractionation. Modeling the D/H cy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::be9704a77ced78ea33650a86d15f346e
https://doi.org/10.5194/epsc2022-451

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A Four-Year Search of Methane on Mars with ACS onboard ExoMars TGO

Autor: Franck Montmessin, Oleg Korablev, Alexander Trokhimovskiy, Kevin Olsen, Franck Lefèvre, Lucio Baggio, Ashwin Braude, Anna Fedorova, Elise Knutsen, Abdanour Irbah, Gaétan Lacombe, Andrey Patrakeev, Alexey Shakun

Summary The mid-infrared channel of the Atmospheric Chemistry Suite (ACS) [1] onboard ESA’s Trace Gas Orbiter (TGO) has performed a sensitive search of methane in the Martian atmosphere using the solar occultation technique for more than two Mars y

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::30c6c26339966d9ae22e0be3a80bb0c4
https://doi.org/10.5194/epsc2022-409

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