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Formation of the methyl cation by photochemistry in a protoplanetary disk

Author

Listed:
  • Olivier Berné

    (Université de Toulouse, CNRS, CNES, UPS)

  • Marie-Aline Martin-Drumel

    (Université Paris-Saclay, CNRS)

  • Ilane Schroetter

    (Université de Toulouse, CNRS, CNES, UPS)

  • Javier R. Goicoechea

    (Instituto de Física Fundamental (CSIC))

  • Ugo Jacovella

    (Université Paris-Saclay, CNRS)

  • Bérenger Gans

    (Université Paris-Saclay, CNRS)

  • Emmanuel Dartois

    (Université Paris-Saclay, CNRS)

  • Laurent H. Coudert

    (Université Paris-Saclay, CNRS)

  • Edwin Bergin

    (University of Michigan)

  • Felipe Alarcon

    (University of Michigan)

  • Jan Cami

    (The University of Western Ontario
    The University of Western Ontario
    Carl Sagan Center, SETI Institute)

  • Evelyne Roueff

    (PSL University, Sorbonne Université, CNRS)

  • John H. Black

    (Chalmers University of Technology, Onsala Space Observatory)

  • Oskar Asvany

    (Universität zu Köln)

  • Emilie Habart

    (Université Paris-Saclay CNRS)

  • Els Peeters

    (The University of Western Ontario
    The University of Western Ontario
    Carl Sagan Center, SETI Institute)

  • Amelie Canin

    (Université de Toulouse, CNRS, CNES, UPS)

  • Boris Trahin

    (Université Paris-Saclay CNRS)

  • Christine Joblin

    (Université de Toulouse, CNRS, CNES, UPS)

  • Stephan Schlemmer

    (Universität zu Köln)

  • Sven Thorwirth

    (Universität zu Köln)

  • Jose Cernicharo

    (Instituto de Física Fundamental (CSIC))

  • Maryvonne Gerin

    (PSL University, Sorbonne Université, CNRS)

  • Alexander Tielens

    (Leiden University
    University of Maryland)

  • Marion Zannese

    (Université Paris-Saclay CNRS)

  • Alain Abergel

    (Université Paris-Saclay CNRS)

  • Jeronimo Bernard-Salas

    (ACRI-ST, Centre dEtudes et de Recherche de Grasse (CERGA)
    INCLASS Common Laboratory)

  • Christiaan Boersma

    (NASA Ames Research Center)

  • Emeric Bron

    (PSL University, Sorbonne Université, CNRS)

  • Ryan Chown

    (The University of Western Ontario
    The University of Western Ontario)

  • Sara Cuadrado

    (Instituto de Física Fundamental (CSIC))

  • Daniel Dicken

    (Université Paris-Saclay CNRS)

  • Meriem Elyajouri

    (Université Paris-Saclay CNRS)

  • Asunción Fuente

    (Observatorio Astronómico Nacional (OAN,IGN))

  • Karl D. Gordon

    (Space Telescope Science Institute)

  • Lina Issa

    (Université de Toulouse, CNRS, CNES, UPS)

  • Olga Kannavou

    (Université Paris-Saclay CNRS)

  • Baria Khan

    (The University of Western Ontario)

  • Ozan Lacinbala

    (KU Leuven Quantum Solid State Physics (QSP))

  • David Languignon

    (PSL University, Sorbonne Université, CNRS)

  • Romane Gal

    (Université Grenoble Alpes, CNRS
    Institut de Radioastronomie Millimétrique (IRAM))

  • Alexandros Maragkoudakis

    (NASA Ames Research Center)

  • Raphael Meshaka

    (PSL University, Sorbonne Université, CNRS)

  • Yoko Okada

    (Universität zu Köln)

  • Takashi Onaka

    (Meisei University
    The University of Tokyo)

  • Sofia Pasquini

    (The University of Western Ontario)

  • Marc W. Pound

    (University of Maryland)

  • Massimo Robberto

    (Space Telescope Science Institute)

  • Markus Röllig

    (Physikalischer Verein-Gesellschaft für Bildung und Wissenschaft
    Goethe-Universität)

  • Bethany Schefter

    (The University of Western Ontario)

  • Thiébaut Schirmer

    (Chalmers University of Technology, Onsala Space Observatory
    Université Paris-Saclay CNRS)

  • Ameek Sidhu

    (The University of Western Ontario
    The University of Western Ontario)

  • Benoit Tabone

    (Université Paris-Saclay CNRS)

  • Dries Putte

    (Space Telescope Science Institute)

  • Sílvia Vicente

    (Instituto de Astrofísica e Ciências do Espaço)

  • Mark G. Wolfire

    (University of Maryland)

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.

Suggested Citation

  • Olivier Berné & Marie-Aline Martin-Drumel & Ilane Schroetter & Javier R. Goicoechea & Ugo Jacovella & Bérenger Gans & Emmanuel Dartois & Laurent H. Coudert & Edwin Bergin & Felipe Alarcon & Jan Cami &, 2023. "Formation of the methyl cation by photochemistry in a protoplanetary disk," Nature, Nature, vol. 621(7977), pages 56-59, September.
    • Handle: RePEc:nat:nature:v:621:y:2023:i:7977:d:10.1038_s41586-023-06307-x
    DOI: 10.1038/s41586-023-06307-x
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    Cited by:

    1. Vinicius Silva de Oliveira & Isak Silander & Lucile Rutkowski & Grzegorz Soboń & Ove Axner & Kevin K. Lehmann & Aleksandra Foltynowicz, 2024. "Sub-Doppler optical-optical double-resonance spectroscopy using a cavity-enhanced frequency comb probe," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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