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Benoît Tabone

As seen in: Nature, Royal Society of Chemistry, The Astronomical Journal
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Articles by Benoît Tabone

Formation of the Methyl Cation by Photochemistry in a Protoplanetary Disk - Nature

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By Olivier Berné, Marie-Aline Martin-Drumel, Ugo Jacovella, Emmanuel Dartois, Laurent Coudert, Edwin A. Bergin, Jan Cami, John Black, Oskar Asvany, Els A. Peeters, Christine Joblin, Stephan Schlemmer, José Cernicharo, Asunción Fuente, Yoko Okada, Takashi Onaka, Benoît Tabone, Ilane Schroetter, Javier R. Goicoechea, Brenger Gans, Evelyne Roueff, Amelie Canin, Boris Trahin, Jeronimo Bernard-Salas, Christiaan Boersma, Sara Cuadrado, Daniel Dicken, Meriem Elyajouri, Romane Le Gal, Marc W. Pound, Markus Röllig, Bethany Schefter, Sílvia Vicente
| Nature Verified
Abstract Forty years ago it was proposed that gas phase organic chemistry in the interstellar medium can be initiated by the methyl cation CH3+ (1–3), but hitherto it has not been observed outside the Solar System (4, 5). Alternative routes involving processes on grain surfaces have been invoked (6, 7). Here we report JWST observations of {{\rm{CH}}}_{3}^{+} in a protoplanetary disk in the Orion star forming region. We find that gas-phase organic chemistry is activated by UV irradiation.
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The diverse chemistry of protoplanetary disks as revealed by JWST

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By Sierra L. Grant, Benoît Tabone, Ewine van Dishoeck, Martijn van Gelder
| Royal Society of Chemistry Verified
The diverse chemistry of protoplanetary disks as revealed by JWST Ewine van Dishoeck, Sierra Grant, Benoit Tabone, Martijn van Gelder, Logan Francis, Lukasz Tychoniec, Giulio Bettoni, Aditya M Arabhavi, Danny Gasman, Patrick Kavanagh, Pooneh Nazari, Marissa Vlasblom, Valentin Christiaens, Pamela Klaassen, Henrik Beuther, Thomas Henning and Inga Kamp Abstract Early results from the JWST-MIRI guaranteed time programs on protostars (JOYS) and disks (MINDS) are presented.
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MINDS. The Detection of 13CO2 with JWST-MIRI Indicates Abundant CO2 in a Protoplanetary Disk

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By Sierra L. Grant, Benoît Tabone
| The Astronomical Journal Verified
The inner 10 au of protoplanetary disks are regions of active chemistry, with high temperatures and densities and with the snowlines of H2O and CO2 controlling the gas composition (e.g., Pontoppidan et al. 2014; Walsh et al. 2015; Bosman et al. 2022). The chemistry in this region is expected to impact the atmospheric compositions of any exoplanets, the bulk of which are expected to form in this region (Dawson & Johnson 2018; Öberg & Bergin 2021; Mollière et al.
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