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arxiv: 2403.00160 · v1 · pith:M2VGSMDEnew · submitted 2024-02-29 · 🌌 astro-ph.GA

A far-ultraviolet-driven photoevaporation flow observed in a protoplanetary disk

Olivier Bern\'e , Emilie Habart , Els Peeters , Ilane Schroetter , Am\'elie Canin , Ameek Sidhu , Ryan Chown , Emeric Bron
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Thomas J. Haworth Pamela Klaassen Boris Trahin Dries Van De Putte Felipe Alarc\'on Marion Zannese Alain Abergel Edwin A. Bergin Jeronimo Bernard-Salas Christiaan Boersma Jan Cami Sara Cuadrado Emmanuel Dartois Daniel Dicken Meriem Elyajouri Asunci\'on Fuente Javier R. Goicoechea Karl D. Gordon Lina Issa Christine Joblin Olga Kannavou Baria Khan Ozan Lacinbala David Languignon Romane Le Gal Alexandros Maragkoudakis Raphael Meshaka Yoko Okada Takashi Onaka Sofia Pasquini Marc W. Pound Massimo Robberto Markus R\"ollig Bethany Schefter Thi\'ebaut Schirmer Thomas Simmer Benoit Tabone Alexander G. G. M. Tielens S\'ilvia Vicente Mark G. Wolfire Isabel Aleman Louis Allamandola Rebecca Auchettl Giuseppe Antonio Baratta Cl\'ement Baruteau Salma Bejaoui Partha P. Bera John H. Black Francois Boulanger Jordy Bouwman Bernhard Brandl Philippe Brechignac Sandra Br\"unken Mridusmita Buragohain Andrew Burkhardt Alessandra Candian St\'ephanie Cazaux Jose Cernicharo Marin Chabot Shubhadip Chakraborty Jason Champion Sean W.J. Colgan Ilsa R. Cooke Audrey Coutens Nick L.J. Cox Karine Demyk Jennifer Donovan Meyer C\'ecile Engrand Sacha Foschino Pedro Garc\'ia-Lario Lisseth Gavilan Maryvonne Gerin Marie Godard Carl A. Gottlieb Pierre Guillard Antoine Gusdorf Patrick Hartigan Jinhua He Eric Herbst Liv Hornekaer Cornelia J\"ager Eduardo Janot-Pacheco Michael Kaufman Francisca Kemper Sarah Kendrew Maria S. Kirsanova Collin Knight Sun Kwok \'Alvaro Labiano Thomas S.-Y. Lai Timothy J. Lee Bertrand Lefloch Franck Le Petit Aigen Li Hendrik Linz Cameron J. Mackie Suzanne C. Madden Jo\"elle Mascetti Brett A. McGuire Pablo Merino Elisabetta R. Micelotta Jon A. Morse Giacomo Mulas Naslim Neelamkodan Ryou Ohsawa Roberta Paladini Maria Elisabetta Palumbo Amit Pathak Yvonne J. Pendleton Annemieke Petrignani Thomas Pino Elena Puga Naseem Rangwala Mathias Rapacioli Alessandra Ricca Julia Roman-Duval Evelyne Roueff Ga\"el Rouill\'e Farid Salama Dinalva A. Sales Karin Sandstrom Peter Sarre Ella Sciamma-O'Brien Kris Sellgren Matthew J. Shannon Adrien Simonnin Sachindev S. Shenoy David Teyssier Richard D. Thomas Aditya Togi Laurent Verstraete Adolf N. Witt Alwyn Wootten Nathalie Ysard Henning Zettergren Yong Zhang Ziwei E. Zhang Junfeng Zhen
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keywords diskprotoplanetarystarsdisksformationlow-massplanetradiation
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Most low-mass stars form in stellar clusters that also contain massive stars, which are sources of far-ultraviolet (FUV) radiation. Theoretical models predict that this FUV radiation produces photo-dissociation regions (PDRs) on the surfaces of protoplanetary disks around low-mass stars, impacting planet formation within the disks. We report JWST and Atacama Large Millimetere Array observations of a FUV-irradiated protoplanetary disk in the Orion Nebula. Emission lines are detected from the PDR; modelling their kinematics and excitation allows us to constrain the physical conditions within the gas. We quantify the mass-loss rate induced by the FUV irradiation, finding it is sufficient to remove gas from the disk in less than a million years. This is rapid enough to affect giant planet formation in the disk.

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