PDRs4All VIII: Mid-IR emission line inventory of the Orion Bar

Dries van de Putte; Raphael Meshaka; Boris Trahin; Emilie Habart; Els Peeters; Olivier Berné; Felipe Alarcón; Amélie Canin; Ryan Chown; Ilane Schroetter; Ameek Sidhu; Christiaan Boersma; Emeric Bron; Emmanuel Dartois; Javier R Goicoechea; Karl D Gordon; Takashi Onaka; Alexander G.G.M Tielens; Laurent Verstraete; Mark G Wolfire; Alain Abergel; Edwin A Bergin; Jeronimo Bernard-Salas; Jan Cami; Sara Cuadrado; Daniel Dicken; Meriem Elyajouri; Asunción Fuente; Christine Joblin; Baria Khan; Ozan Lacinbala; David Languignon; Romane Le Gal; Alexandros Maragkoudakis; Yoko Okada; Sofia Pasquini; Marc W Pound; Massimo Robberto; Markus Röllig; Bethany Schefter; Thiébaut Schirmer; Benoit Tabone; Sílvia Vicente; Marion Zannese; Sean W.J Colgan; Jinhua He; Gaël Rouillé; Aditya Togi; Isabel Aleman; Rebecca Auchettl; Giuseppe Antonio Baratta; Salma Bejaoui; Partha P Bera; John H Black; Francois Boulanger; Jordy Bouwman; Bernhard Brandl; Philippe Brechignac; Sandra Brünken; Mridusmita Buragohain; Andrew Burkhardt; Alessandra Candian; Stéphanie Cazaux; Jose Cernicharo; Marin Chabot; Shubhadip Chakraborty; Jason Champion; Ilsa R Cooke; Audrey Coutens; Nick L.J Cox; Karine Demyk; Jennifer Donovan Meyer; Sacha Foschino; Pedro García-Lario; Maryvonne Gerin; Carl A Gottlieb; Pierre Guillard; Antoine Gusdorf; Patrick Hartigan; Eric Herbst; Liv Hornekaer; Lina Issa; Cornelia Jäger; Eduardo Janot-Pacheco; Olga Kannavou; Michael Kaufman; Francisca Kemper; Sarah Kendrew; Maria S Kirsanova; Pamela Klaassen; Sun Kwok; Álvaro Labiano; Thomas S.-Y Lai; Bertrand Le Floch; Franck Le Petit; Aigen Li; Hendrik Linz; Cameron J Mackie; Suzanne C Madden; Joëlle Mascetti; Brett A Mcguire; Pablo Merino; Elisabetta R Micelotta; Jon A Morse; Giacomo Mulas; Naslim Neelamkodan; Ryou Ohsawa; Alain Omont; Roberta Paladini; Maria Elisabetta Palumbo; Amit Pathak; Yvonne J Pendleton; Annemieke Petrignani; Thomas Pino; Elena Puga; Naseem Rangwala; Mathias Rapacioli; Jeonghee Rho; Alessandra Ricca; Julia Roman-Duval; Joseph Roser; Evelyne Roueff; Farid Salama; Dinalva A Sales; Karin Sandstrom; Peter Sarre; Ella Sciamma-O'Brien; Kris Sellgren; Sachindev S Shenoy; David Teyssier; Richard D Thomas; Adolf N Witt; Alwyn Wootten; Nathalie Ysard; Henning Zettergren; Yong Zhang; Ziwei E Zhang; Junfeng Zhen

doi:10.1051/0004-6361/202449295

Journal Articles Astronomy and Astrophysics - A&A Year : 2024

PDRs4All VIII: Mid-IR emission line inventory of the Orion Bar

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Dries van de Putte

Function : Author

Raphael Meshaka

Function : Author

Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique et Atmosphères = Laboratory for Studies of Radiation and Matter in Astrophysics and Atmospheres

Institut d'astrophysique spatiale

Boris Trahin

Function : Author

Institut d'astrophysique spatiale

Emilie Habart

Function : Author

Institut d'astrophysique spatiale

Els Peeters

Function : Author

Olivier Berné

Function : Author

Institut de recherche en astrophysique et planétologie

Felipe Alarcón

Function : Author

Amélie Canin

Function : Author

Institut de recherche en astrophysique et planétologie

Ryan Chown

Function : Author

Ilane Schroetter

Function : Author

Institut de recherche en astrophysique et planétologie

Ameek Sidhu

Function : Author

Christiaan Boersma

Function : Author

Emeric Bron

Function : Author

Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique et Atmosphères = Laboratory for Studies of Radiation and Matter in Astrophysics and Atmospheres

Emmanuel Dartois

Function : Author

Institut des Sciences Moléculaires d'Orsay

Javier R Goicoechea

Function : Author

Karl D Gordon

Function : Author

Takashi Onaka

Function : Author

Alexander G.G.M Tielens

Function : Author

Laurent Verstraete

Function : Author

Institut d'astrophysique spatiale

Mark G Wolfire

Function : Author

Alain Abergel

Function : Author

Institut d'astrophysique spatiale

Edwin A Bergin

Function : Author

Jeronimo Bernard-Salas

Function : Author

Département C.E.R.G.A

Jan Cami

Function : Author

Sara Cuadrado

Function : Author

Daniel Dicken

Function : Author

Meriem Elyajouri

Function : Author

Institut d'astrophysique spatiale

Asunción Fuente

Function : Author

Christine Joblin

Function : Author

Institut de recherche en astrophysique et planétologie

Baria Khan

Function : Author

Ozan Lacinbala

Function : Author

David Languignon

Function : Author

Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique et Atmosphères = Laboratory for Studies of Radiation and Matter in Astrophysics and Atmospheres

Romane Le Gal

Function : Author

Institut de Planétologie et d'Astrophysique de Grenoble

Institut de RadioAstronomie Millimétrique

Alexandros Maragkoudakis

Function : Author

Yoko Okada

Function : Author

Sofia Pasquini

Function : Author

Marc W Pound

Function : Author

Massimo Robberto

Function : Author

Markus Röllig

Function : Author

Bethany Schefter

Function : Author

Thiébaut Schirmer

Function : Author

Institut d'astrophysique spatiale

Benoit Tabone

Function : Author

Institut d'astrophysique spatiale

Sílvia Vicente

Function : Author

Marion Zannese

Function : Author
PersonId : 1414951
IdHAL : marion-zannese
ORCID : 0009-0002-6069-0907

Institut d'astrophysique spatiale

Sean W.J Colgan

Function : Author

Jinhua He

Function : Author

Gaël Rouillé

Function : Author

Aditya Togi

Function : Author

Isabel Aleman

Function : Author

Rebecca Auchettl

Function : Author

Giuseppe Antonio Baratta

Function : Author

Salma Bejaoui

Function : Author

Partha P Bera

Function : Author

John H Black

Function : Author

Francois Boulanger

Function : Author

Astrophysique

Jordy Bouwman

Function : Author

Bernhard Brandl

Function : Author

Philippe Brechignac

Function : Author

Institut des Sciences Moléculaires d'Orsay

Sandra Brünken

Function : Author

Mridusmita Buragohain

Function : Author

Andrew Burkhardt

Function : Author

Alessandra Candian

Function : Author

Stéphanie Cazaux

Function : Author

Jose Cernicharo

Function : Author

Marin Chabot

Function : Author

Laboratoire de Physique des 2 Infinis Irène Joliot-Curie

Shubhadip Chakraborty

Function : Author

Institut de Physique de Rennes

Jason Champion

Function : Author

Institut de recherche en astrophysique et planétologie

Ilsa R Cooke

Function : Author

Audrey Coutens

Function : Author
PersonId : 739468
IdHAL : audrey-coutens
ORCID : 0000-0003-1805-3920
IdRef : 167181491

Institut de recherche en astrophysique et planétologie

Nick L.J Cox

Function : Author

Département C.E.R.G.A

Karine Demyk

Function : Author

Institut de recherche en astrophysique et planétologie

Jennifer Donovan Meyer

Function : Author

Sacha Foschino

Function : Author

Institut de recherche en astrophysique et planétologie

Pedro García-Lario

Function : Author

Maryvonne Gerin

Function : Author

Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique et Atmosphères = Laboratory for Studies of Radiation and Matter in Astrophysics and Atmospheres

Carl A Gottlieb

Function : Author

Pierre Guillard

Function : Author

Institut d'Astrophysique de Paris

Institut universitaire de France

Antoine Gusdorf

Function : Author

Laboratoire de physique de l'ENS - ENS Paris

Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique et Atmosphères = Laboratory for Studies of Radiation and Matter in Astrophysics and Atmospheres

Patrick Hartigan

Function : Author

Eric Herbst

Function : Author

Liv Hornekaer

Function : Author

Lina Issa

Function : Author

Institut de recherche en astrophysique et planétologie

Cornelia Jäger

Function : Author

Eduardo Janot-Pacheco

Function : Author

Olga Kannavou

Function : Author

Institut d'astrophysique spatiale

Michael Kaufman

Function : Author

Francisca Kemper

Function : Author

Sarah Kendrew

Function : Author

Maria S Kirsanova

Function : Author

Pamela Klaassen

Function : Author

Sun Kwok

Function : Author

Álvaro Labiano

Function : Author

Thomas S.-Y Lai

Function : Author

Bertrand Le Floch

Function : Author

Laboratoire d'Astrophysique de Bordeaux [Pessac]

Franck Le Petit

Function : Author

Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique et Atmosphères = Laboratory for Studies of Radiation and Matter in Astrophysics and Atmospheres

Aigen Li

Function : Author

Hendrik Linz

Function : Author

Cameron J Mackie

Function : Author

Suzanne C Madden

Function : Author

Astrophysique Interprétation Modélisation

Joëlle Mascetti

Function : Author

Institut de Mathématiques de Bordeaux

Brett A Mcguire

Function : Author

Pablo Merino

Function : Author

Elisabetta R Micelotta

Function : Author

Jon A Morse

Function : Author

Giacomo Mulas

Function : Author

Institut de recherche en astrophysique et planétologie

Naslim Neelamkodan

Function : Author

Ryou Ohsawa

Function : Author

Alain Omont

Function : Author

Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique et Atmosphères = Laboratory for Studies of Radiation and Matter in Astrophysics and Atmospheres

Roberta Paladini

Function : Author

Maria Elisabetta Palumbo

Function : Author

Amit Pathak

Function : Author

Yvonne J Pendleton

Function : Author

Annemieke Petrignani

Function : Author

Thomas Pino

Function : Author

Institut des Sciences Moléculaires d'Orsay

Elena Puga

Function : Author

Naseem Rangwala

Function : Author

Mathias Rapacioli

Function : Author
PersonId : 171955
IdHAL : mathias-rapacioli
ORCID : 0000-0003-2394-6694
IdRef : 103543368

Laboratoire de Chimie et Physique Quantiques

Modélisation, Agrégats, Dynamique (LCPQ)

Jeonghee Rho

Function : Author

Alessandra Ricca

Function : Author

Julia Roman-Duval

Function : Author

Joseph Roser

Function : Author

Evelyne Roueff

Function : Author

Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique et Atmosphères = Laboratory for Studies of Radiation and Matter in Astrophysics and Atmospheres

Farid Salama

Function : Author

Dinalva A Sales

Function : Author

Karin Sandstrom

Function : Author

Peter Sarre

Function : Author

Ella Sciamma-O'Brien

Function : Author

Kris Sellgren

Function : Author

Sachindev S Shenoy

Function : Author

David Teyssier

Function : Author

Richard D Thomas

Function : Author

Adolf N Witt

Function : Author

Alwyn Wootten

Function : Author

Nathalie Ysard

Function : Author

Institut d'astrophysique spatiale

Henning Zettergren

Function : Author

Yong Zhang

Function : Author

Ziwei E Zhang

Function : Author

Junfeng Zhen

Function : Author

Abstract

Mid-infrared emission features probe the properties of ionized gas, and hot or warm molecular gas. The Orion Bar is a frequently studied photodissociation region (PDR) containing large amounts of gas under these conditions, and was observed with the MIRI IFU aboard JWST as part of the "PDRs4All" program. The resulting IR spectroscopic images of high angular resolution (0.2") reveal a rich observational inventory of mid-IR emission lines, and spatially resolve the substructure of the PDR, with a mosaic cutting perpendicularly across the ionization front and three dissociation fronts. We extracted five spectra that represent the ionized, atomic, and molecular gas layers, and measured the most prominent gas emission lines. An initial analysis summarizes the physical conditions of the gas and the potential of these data. We identified around 100 lines, report an additional 18 lines that remain unidentified, and measured the line intensities and central wavelengths. The H I recombination lines originating from the ionized gas layer bordering the PDR, have intensity ratios that are well matched by emissivity coefficients from H recombination theory, but deviate up to 10% due contamination by He I lines. We report the observed emission lines of various ionization stages of Ne, P, S, Cl, Ar, Fe, and Ni, and show how certain line ratios vary between the five regions. We observe the pure-rotational H$_2$ lines in the vibrational ground state from 0-0 S(1) to 0-0 S(8), and in the first vibrationally excited state from 1-1 S(5) to 1-1 S(9). We derive H$_2$ excitation diagrams, and approximate the excitation with one thermal (~700 K) component representative of an average gas temperature, and one non-thermal component (~2700 K) probing the effect of UV pumping. We compare these results to an existing model for the Orion Bar PDR and highlight the differences with the observations.

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Astrophysics [astro-ph]

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Submitted on : Friday, August 23, 2024-5:16:16 PM

Last modification on : Tuesday, October 8, 2024-6:40:39 PM

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hal-04537811 , version 1 (23-08-2024)

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HAL Id : hal-04537811 , version 1
ARXIV : 2404.03111
DOI : 10.1051/0004-6361/202449295
INSPIRE : 2774216

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Dries van de Putte, Raphael Meshaka, Boris Trahin, Emilie Habart, Els Peeters, et al.. PDRs4All VIII: Mid-IR emission line inventory of the Orion Bar. Astronomy and Astrophysics - A&A, 2024, 687, pp.A86. ⟨10.1051/0004-6361/202449295⟩. ⟨hal-04537811⟩

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PDRs4All VIII: Mid-IR emission line inventory of the Orion Bar

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