Výsledky vyhledávání - "Isabelle Couturier-Tamburelli"

Photochemistry of benzene (C6H6) hydrogen cyanide (HCN) co-condensed ices part 1: A source of solid-state production of volatile nitrile compounds in Titan's stratosphere

Autor: Thierry Chiavassa, J. Mouzay, Nathalie Piétri, K. Henry, Isabelle Couturier-Tamburelli, Grégoire Danger

Publikováno v: Icarus
Icarus, 2021, 368, pp.114595. ⟨10.1016/j.icarus.2021.114595⟩
Icarus, Elsevier, 2021, 368, pp.114595. ⟨10.1016/j.icarus.2021.114595⟩

Since 2015, during northern spring, a massive “noxious” stratospheric cloud has been detected at 250 km of altitude at the south pole of Titan, which persisted until the last targeted Cassini's flybys in July 2016. Its chemical composition seems

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::923d3a5e8683161700a364e9e75688b2
https://hal.science/hal-03330139

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UV irradiation of benzene in N2 matrix: A relevant study for titan's chemistry

Autor: Thierry Chiavassa, Isabelle Couturier-Tamburelli, J. Mouzay, Nathalie Piétri

Publikováno v: Journal of Molecular Structure
Journal of Molecular Structure, 2021, 1237, pp.130296. ⟨10.1016/j.molstruc.2021.130296⟩

International audience; We report in this contribution the first photochemical study of benzene trapped in solid nitrogen at low temperature (16 K) and irradiated with a mercury lamp (λ > 230 nm). We identify three benzene isomers (fulvene, Dewar be

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee76eb5d5cf14610e6befabd3f6b157e
https://hal-amu.archives-ouvertes.fr/hal-03662567

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New possible route of HC3N formation in Titan’s atmosphere

Autor: Nathalie Piétri, Thierry Chiavassa, Isabelle Couturier-Tamburelli, J. Mouzay, C. Assadourian

Publikováno v: Low Temperature Physics. 45:598-605

The structures of the C2N2/C2H2 complex in solid argon matrices have been investigated using FTIR spectroscopy and ab initio calculations, at the aug-cc-pVTZ level of theory. Predicted frequency shifts for the linear structure, characterized by a str

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::be9b6ae2e8337d8b805fbf643f64ef07
https://doi.org/10.1063/1.5103251

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Experimental Simulation of Titan's Stratospheric Photochemistry: Benzene (C 6 H 6 ) Ices

Autor: J. Mouzay, Nathalie Piétri, Isabelle Couturier-Tamburelli, Thierry Chiavassa

Publikováno v: Journal of Geophysical Research. Planets
Journal of Geophysical Research. Planets, 2021, 126 (2), ⟨10.1029/2020JE006566⟩

International audience; We performed laboratory experiments to study the photochemical evolution induced by long-UV irradiation of benzene ices in Titan's atmosphere. The aim of this study was to investigate whether photo-processed benzene ices could

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bfbcda5e828c8d7eb24135c783929c70
https://hal-amu.archives-ouvertes.fr/hal-03662563/document

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Experimental Simulation of the Volatile Hydrocarbons Generated by the Long-UV Photoprocessing of (C 6 H 6 ) Ices with Relevance to Titan's Southern Stratospheric Ice Clouds

Autor: Alexander Ruf, Isabelle Couturier-Tamburelli, J. Mouzay, K. Henry, Thierry Chiavassa, Nathalie Piétri, Grégoire Danger

Publikováno v: The Planetary Science Journal
The Planetary Science Journal, IOP Science, 2021, 2 (1), pp.37. ⟨10.3847/PSJ/abdd3e⟩
The Planetary Science Journal, 2021, 2 (1), pp.37. ⟨10.3847/PSJ/abdd3e⟩

Ice clouds containing benzene (C6H6) have recently been detected in the stratosphere at the south pole of Titan. Their subsequent aging process induced by long-UV solar photons could lead to a photoreactivity that may release some volatile organic co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d179808b813a9c819745aa055467d54
https://hal.archives-ouvertes.fr/hal-03330148

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Science goals and new mission concepts for future exploration of Titan's atmosphere geology and habitability: Titan POlar Scout/orbitEr and In situ lake lander and DrONe explorer (POSEIDON)

Autor: Sébastien Rodriguez, Sandrine Vinatier, Daniel Cordier, Gabriel Tobie, Richard K. Achterberg, Carrie M. Anderson, Sarah V. Badman, Jason W. Barnes, Erika L. Barth, Bruno Bézard, Nathalie Carrasco, Benjamin Charnay, Roger N. Clark, Patrice Coll, Thomas Cornet, Athena Coustenis, Isabelle Couturier-Tamburelli, Michel Dobrijevic, F. Michael Flasar, Remco de Kok, Caroline Freissinet, Marina Galand, Thomas Gautier, Wolf D. Geppert, Caitlin A. Griffith, Murthy S. Gudipati, Lina Z. Hadid, Alexander G. Hayes, Amanda R. Hendrix, Ralf Jaumann, Donald E. Jennings, Antoine Jolly, Klara Kalousova, Tommi T. Koskinen, Panayotis Lavvas, Sébastien Lebonnois, Jean-Pierre Lebreton, Alice Le Gall, Emmanuel Lellouch, Stéphane Le Mouélic, Rosaly M. C. Lopes, Juan M. Lora, Ralph D. Lorenz, Antoine Lucas, Shannon MacKenzie, Michael J. Malaska, Kathleen Mandt, Marco Mastrogiuseppe, Claire E. Newman, Conor A. Nixon, Jani Radebaugh, Scot C. Rafkin, Pascal Rannou, Ella M. Sciamma-O’Brien, Jason M. Soderblom, Anezina Solomonidou, Christophe Sotin, Katrin Stephan, Darrell Strobel, Cyril Szopa, Nicholas A. Teanby, Elizabeth P. Turtle, Véronique Vuitton, Robert A. West

Publikováno v: Rodriguez, S, Teanby, N A & al, E 2022, ' Science goals and new mission concepts for future exploration of Titan’s atmosphere, geology and habitability : titan POlar scout/orbitEr and in situ lake lander and DrONe explorer (POSEIDON) ', Experimental Astronomy, vol. (2022) . https://doi.org/10.1007/s10686-021-09815-8
Experimental Astronomy
Experimental Astronomy, 2022, ⟨10.1007/s10686-021-09815-8⟩
Experimental Astronomy, springer Link, 2021, (in press)
Experimental Astronomy 2022(January), nestránkováno. (2022)
Experimental Astronomy, 2022, 54, pp.911-973. ⟨10.1007/s10686-021-09815-8⟩
Experimental Astronomy, Springer Link, In press, ⟨10.1007/s10686-021-09815-8⟩
Experimental Astronomy, 2022, (in press). ⟨10.1007/s10686-021-09815-8⟩

In response to ESA Voyage 2050 announcement of opportunity, we propose an ambitious L-class mission to explore one of the most exciting bodies in the Solar System, Saturn largest moon Titan. Titan, a "world with two oceans", is an organic-rich body w

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Laboratory experiments in support of the Dragonfly space mission : Simulation of the photochemical aging process of benzene-containing clouds in Titan's stratosphere

Autor: Grégoire Danger, Thierry Chiavassa, Nathalie Piétri, J. Mouzay, Isabelle Couturier-Tamburelli

Context: After more than thirteen years of exploration, Cassini-Huygens space mission provided a large amount of data about the atmosphere of Saturn’s largest moon, Titan. It is the only satellite in the solar system to house such a diversified che

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::40ef1f6eaa673f5b595c18050feb44e2
https://doi.org/10.5194/egusphere-egu2020-10500

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Ultraviolet and vacuum ultraviolet photo-processing of protonated benzonitrile (C6H5CNH+)

Autor: Ugo Jacovella, Jennifer A. Noble, Alexandre Guliani, Christopher S. Hansen, Adam J. Trevitt, Julie Mouzay, Isabelle Couturier-Tamburelli, Nathalie Pietri, Laurent Nahon

Publikováno v: Astronomy & Astrophysics. 657:A85

Context. The recent detection in pre-stellar sources of cyano-substituted and pure hydrocarbon cycles has emphasized the importance of aromatic chemistry in the earliest stages of star formation. Ultraviolet (UV) and vacuum-UV (VUV) radiation is ubiq

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e3427f110867e461932b464c4fc492fe
https://doi.org/10.1051/0004-6361/202142206

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Behaviour of solid phase ethyl cyanide in simulated conditions of Titan

Autor: Isabelle Couturier-Tamburelli, Nathalie Piétri, A. Toumi, Thierry Chiavassa

Publikováno v: Icarus. 300:477-485

In order to simulate different altitudes in the atmosphere of Titan, we investigated using infrared spectrometry and mass spectrometry the photochemistry of ethyl cyanide (CH3CH2CN) ices at different temperatures. Heating experiments of the solid pha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::54c42ef12d95b340a88efe2fe74bd115
https://doi.org/10.1016/j.icarus.2017.09.029

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Isomerization of cyanopropyne in solid argon

Autor: Urszula Szczepaniak, Michał Turowski, Thomas Custer, Jean-Claude Guillemin, Isabelle Couturier-Tamburelli, Nathalie Piétri, Marcin Gronowski, Robert Kołos

Publikováno v: Physical Chemistry Chemical Physics
Physical Chemistry Chemical Physics, 2019, 21 (25), pp.13668-13678. ⟨10.1039/c8cp06739b⟩
Physical Chemistry Chemical Physics, Royal Society of Chemistry, 2019, 21 (25), pp.13668-13678. ⟨10.1039/c8cp06739b⟩

International audience; Cyanopropyne, CH3-C[triple bond, length as m-dash]C-CN, is a simple molecule whose photochemistry is still unexplored. Here we investigate the UV photolysis of this astrophysically significant nitrile trapped in solid argon. T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2375fa2d1a36097c5eba9a18db01e668
https://univ-rennes.hal.science/hal-02278409/document

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