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Formation of the methyl cation by photochemistry in a protoplanetary disk.
Berné, Olivier; Martin-Drumel, Marie-Aline; Schroetter, Ilane; Goicoechea, Javier R; Jacovella, Ugo; Gans, Bérenger; Dartois, Emmanuel; Coudert, Laurent H; Bergin, Edwin; Alarcon, Felipe; Cami, Jan; Roueff, Evelyne; Black, John H; Asvany, Oskar; Habart, Emilie; Peeters, Els; Canin, Amelie; Trahin, Boris; Joblin, Christine; Schlemmer, Stephan; Thorwirth, Sven; Cernicharo, Jose; Gerin, Maryvonne; Tielens, Alexander; Zannese, Marion; Abergel, Alain; Bernard-Salas, Jeronimo; Boersma, Christiaan; Bron, Emeric; Chown, Ryan; Cuadrado, Sara; Dicken, Daniel; Elyajouri, Meriem; Fuente, Asunción; Gordon, Karl D; Issa, Lina; Kannavou, Olga; Khan, Baria; Lacinbala, Ozan; Languignon, David; Le Gal, Romane; Maragkoudakis, Alexandros; Meshaka, Raphael; Okada, Yoko; Onaka, Takashi; Pasquini, Sofia; Pound, Marc W; Robberto, Massimo; Röllig, Markus; Schefter, Bethany.
Affiliation
  • Berné O; Institut de Recherche en Astrophysique et Planétologie, Université de Toulouse, CNRS, CNES, UPS, Toulouse, France. olivier.berne@irap.omp.eu.
  • Martin-Drumel MA; Institut des Sciences Moléculaires d'Orsay, Université Paris-Saclay, CNRS, Orsay, France.
  • Schroetter I; Institut de Recherche en Astrophysique et Planétologie, Université de Toulouse, CNRS, CNES, UPS, Toulouse, France.
  • Goicoechea JR; Instituto de Física Fundamental (CSIC), Madrid, Spain.
  • Jacovella U; Institut des Sciences Moléculaires d'Orsay, Université Paris-Saclay, CNRS, Orsay, France.
  • Gans B; Institut des Sciences Moléculaires d'Orsay, Université Paris-Saclay, CNRS, Orsay, France.
  • Dartois E; Institut des Sciences Moléculaires d'Orsay, Université Paris-Saclay, CNRS, Orsay, France.
  • Coudert LH; Institut des Sciences Moléculaires d'Orsay, Université Paris-Saclay, CNRS, Orsay, France.
  • Bergin E; Department of Astronomy, University of Michigan, Ann Arbor, MI, USA.
  • Alarcon F; Department of Astronomy, University of Michigan, Ann Arbor, MI, USA.
  • Cami J; Department of Physics and Astronomy, The University of Western Ontario, London, Ontario, Canada.
  • Roueff E; Institute for Earth and Space Exploration, The University of Western Ontario, London, Ontario, Canada.
  • Black JH; Carl Sagan Center, SETI Institute, Mountain View, CA, USA.
  • Asvany O; LERMA, Observatoire de Paris, PSL University, Sorbonne Université, CNRS, Meudon, France.
  • Habart E; Department of Space, Earth, and Environment, Chalmers University of Technology, Onsala Space Observatory, Onsala, Sweden.
  • Peeters E; I. Physikalisches Institut, Universität zu Köln, Cologne, Germany.
  • Canin A; Institut d'Astrophysique Spatiale, Université Paris-Saclay CNRS, Orsay, France.
  • Trahin B; Department of Physics and Astronomy, The University of Western Ontario, London, Ontario, Canada.
  • Joblin C; Institute for Earth and Space Exploration, The University of Western Ontario, London, Ontario, Canada.
  • Schlemmer S; Carl Sagan Center, SETI Institute, Mountain View, CA, USA.
  • Thorwirth S; Institut de Recherche en Astrophysique et Planétologie, Université de Toulouse, CNRS, CNES, UPS, Toulouse, France.
  • Cernicharo J; Institut d'Astrophysique Spatiale, Université Paris-Saclay CNRS, Orsay, France.
  • Gerin M; Institut de Recherche en Astrophysique et Planétologie, Université de Toulouse, CNRS, CNES, UPS, Toulouse, France.
  • Tielens A; I. Physikalisches Institut, Universität zu Köln, Cologne, Germany.
  • Zannese M; I. Physikalisches Institut, Universität zu Köln, Cologne, Germany.
  • Abergel A; Instituto de Física Fundamental (CSIC), Madrid, Spain.
  • Bernard-Salas J; LERMA, Observatoire de Paris, PSL University, Sorbonne Université, CNRS, Meudon, France.
  • Boersma C; Leiden Observatory, Leiden University, Leiden, the Netherlands.
  • Bron E; Astronomy Department, University of Maryland, College Park, MD, USA.
  • Chown R; Institut d'Astrophysique Spatiale, Université Paris-Saclay CNRS, Orsay, France.
  • Cuadrado S; Institut d'Astrophysique Spatiale, Université Paris-Saclay CNRS, Orsay, France.
  • Dicken D; ACRI-ST, Centre dEtudes et de Recherche de Grasse (CERGA), Grasse, France.
  • Elyajouri M; INCLASS Common Laboratory, Grasse, France.
  • Fuente A; NASA Ames Research Center, Moffett Field, CA, USA.
  • Gordon KD; LERMA, Observatoire de Paris, PSL University, Sorbonne Université, CNRS, Meudon, France.
  • Issa L; Department of Physics and Astronomy, The University of Western Ontario, London, Ontario, Canada.
  • Kannavou O; Institute for Earth and Space Exploration, The University of Western Ontario, London, Ontario, Canada.
  • Khan B; Instituto de Física Fundamental (CSIC), Madrid, Spain.
  • Lacinbala O; Institut d'Astrophysique Spatiale, Université Paris-Saclay CNRS, Orsay, France.
  • Languignon D; Institut d'Astrophysique Spatiale, Université Paris-Saclay CNRS, Orsay, France.
  • Le Gal R; Observatorio Astronómico Nacional (OAN,IGN), Madrid, Spain.
  • Maragkoudakis A; Space Telescope Science Institute, Baltimore, MD, USA.
  • Meshaka R; Institut de Recherche en Astrophysique et Planétologie, Université de Toulouse, CNRS, CNES, UPS, Toulouse, France.
  • Okada Y; Institut d'Astrophysique Spatiale, Université Paris-Saclay CNRS, Orsay, France.
  • Onaka T; Department of Physics and Astronomy, The University of Western Ontario, London, Ontario, Canada.
  • Pasquini S; KU Leuven Quantum Solid State Physics (QSP), Leuven, Belgium.
  • Pound MW; LERMA, Observatoire de Paris, PSL University, Sorbonne Université, CNRS, Meudon, France.
  • Robberto M; Institut de Planétologie et d'Astrophysique de Grenoble, Université Grenoble Alpes, CNRS, Grenoble, France.
  • Röllig M; Institut de Radioastronomie Millimétrique (IRAM), Saint-Martin d'Hères, France.
  • Schefter B; NASA Ames Research Center, Moffett Field, CA, USA.
Nature ; 621(7977): 56-59, 2023 Sep.
Article in En | MEDLINE | ID: mdl-37364766
ABSTRACT
Forty years ago, it was proposed that gas-phase organic chemistry in the interstellar medium can be initiated by the methyl cation CH3+ (refs. 1-3), but so far it has not been observed outside the Solar System4,5. Alternative routes involving processes on grain surfaces have been invoked6,7. Here we report James Webb Space Telescope observations of CH3+ in a protoplanetary disk in the Orion star-forming region. We find that gas-phase organic chemistry is activated by ultraviolet irradiation.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Nature Year: 2023 Document type: Article Affiliation country: France
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Nature Year: 2023 Document type: Article Affiliation country: France