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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 15224naa a2202041 4500 | |
| 001 | oai:research.chalmers.se:0d3de4aa-648e-4166-b4d3-64b855ce4ebb | |
| 003 | SwePub | |
| 008 | 240526s2024 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://research.chalmers.se/publication/5413022 URI |
| 024 | 7 | a https://doi.org/10.1051/0004-6361/2023467472 DOI |
| 040 | a (SwePub)cth | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a art2 swepub-publicationtype |
| 072 | 7 | a ref2 swepub-contenttype |
| 100 | 1 | a Habart, Emilieu Institut d'Astrophysique Spatiale4 aut |
| 245 | 1 0 | a PDRs4All II. JWST’s NIR and MIR imaging view of the Orion Nebula |
| 264 | 1 | c 2024 |
| 338 | a electronic2 rdacarrier | |
| 520 | a Context. The James Webb Space Telescope (JWST) has captured the most detailed and sharpest infrared (IR) images ever taken of the inner region of the Orion Nebula, the nearest massive star formation region, and a prototypical highly irradiated dense photo-dissociation region (PDR). Aims. We investigate the fundamental interaction of far-ultraviolet (FUV) photons with molecular clouds. The transitions across the ionization front (IF), dissociation front (DF), and the molecular cloud are studied at high-angular resolution. These transitions are relevant to understanding the effects of radiative feedback from massive stars and the dominant physical and chemical processes that lead to the IR emission that JWST will detect in many Galactic and extragalactic environments. Methods. We utilized NIRCam and MIRI to obtain sub-arcsecond images over ∼150′′ and 42′′ in key gas phase lines (e.g., Pa α, Br α, [FeII] 1.64 µm, H2 1–0 S(1) 2.12 µm, 0–0 S(9) 4.69 µm), aromatic and aliphatic infrared bands (aromatic infrared bands at 3.3–3.4 µm, 7.7, and 11.3 µm), dust emission, and scattered light. Their emission are powerful tracers of the IF and DF, FUV radiation field and density distribution. Using NIRSpec observations the fractional contributions of lines, AIBs, and continuum emission to our NIRCam images were estimated. A very good agreement is found for the distribution and intensity of lines and AIBs between the NIRCam and NIRSpec observations. Results. Due to the proximity of the Orion Nebula and the unprecedented angular resolution of JWST, these data reveal that the molecular cloud borders are hyper structured at small angular scales of ∼0.1–1′′ (∼0.0002–0.002 pc or ∼40–400 au at 414 pc). A diverse set of features are observed such as ridges, waves, globules and photoevaporated protoplanetary disks. At the PDR atomic to molecular transition, several bright features are detected that are associated with the highly irradiated surroundings of the dense molecular condensations and embedded young star. Toward the Orion Bar PDR, a highly sculpted interface is detected with sharp edges and density increases near the IF and DF. This was predicted by previous modeling studies, but the fronts were unresolved in most tracers. The spatial distribution of the AIBs reveals that the PDR edge is steep and is followed by an extensive warm atomic layer up to the DF with multiple ridges. A complex, structured, and folded H0/H2 DF surface was traced by the H2 lines. This dataset was used to revisit the commonly adopted 2D PDR structure of the Orion Bar as our observations show that a 3D “terraced” geometry is required to explain the JWST observations. JWST provides us with a complete view of the PDR, all the way from the PDR edge to the substructured dense region, and this allowed us to determine, in detail, where the emission of the atomic and molecular lines, aromatic bands, and dust originate. Conclusions. This study offers an unprecedented dataset to benchmark and transform PDR physico-chemical and dynamical models for the JWST era. A fundamental step forward in our understanding of the interaction of FUV photons with molecular clouds and the role of FUV irradiation along the star formation sequence is provided. | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Fysikx Atom- och molekylfysik och optik0 (SwePub)103022 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Atom and Molecular Physics and Optics0 (SwePub)103022 hsv//eng |
| 653 | a photon-dominated region (PDR) | |
| 653 | a ISM: clouds | |
| 653 | a infrared: ISM | |
| 700 | 1 | a Peeters, Elsu Western University4 aut |
| 700 | 1 | a Berné, O.u Institut de Recherche en Astrophysique et Planétologie (IRAP)4 aut |
| 700 | 1 | a Trahin, Borisu Institut d'Astrophysique Spatiale4 aut |
| 700 | 1 | a Canin, Amelieu Institut de Recherche en Astrophysique et Planétologie (IRAP)4 aut |
| 700 | 1 | a Chown, Ryanu Western University4 aut |
| 700 | 1 | a Sidhu, Ameeku Western University4 aut |
| 700 | 1 | a De Putte, Dries Vanu Space Telescope Science Institute (STScI)4 aut |
| 700 | 1 | a Alarcon, Felipeu University of Michigan4 aut |
| 700 | 1 | a Schroetter, Ilaneu Institut de Recherche en Astrophysique et Planétologie (IRAP)4 aut |
| 700 | 1 | a Dartois, E.u Université Paris-Saclay,University Paris-Saclay4 aut |
| 700 | 1 | a Vicente, S.u Instituto de Astrofísica e Ciências do Espaço (IA),Institute of Astrophysics and Space Sciences (IA)4 aut |
| 700 | 1 | a Abergel, Alainu Institut d'Astrophysique Spatiale4 aut |
| 700 | 1 | a Bergin, E. A.u University of Michigan4 aut |
| 700 | 1 | a Bernard-Salas, J.u Observatoire de la Cote d'Azur4 aut |
| 700 | 1 | a Boersma, Christiaanu NASA Ames Research Center4 aut |
| 700 | 1 | a Bron, E.u Observatoire de Paris,Paris Observatory4 aut |
| 700 | 1 | a Cami, Janu Western University4 aut |
| 700 | 1 | a Cuadrado, S.u CSIC - Instituto de Fisica Fundamental (IFF)4 aut |
| 700 | 1 | a Dicken, D.u Royal Observatory4 aut |
| 700 | 1 | a Elyajouri, Meriemu Institut d'Astrophysique Spatiale4 aut |
| 700 | 1 | a Fuente, A.u Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN)4 aut |
| 700 | 1 | a Goicoechea, J.R.u CSIC - Instituto de Fisica Fundamental (IFF)4 aut |
| 700 | 1 | a Gordon, K.u Space Telescope Science Institute (STScI)4 aut |
| 700 | 1 | a Issa, Linau Institut de Recherche en Astrophysique et Planétologie (IRAP)4 aut |
| 700 | 1 | a Joblin, C.u Institut de Recherche en Astrophysique et Planétologie (IRAP)4 aut |
| 700 | 1 | a Kannavou, Olgau Institut d'Astrophysique Spatiale4 aut |
| 700 | 1 | a Khan, Bariau Western University4 aut |
| 700 | 1 | a Lacinbala, Ozan4 aut |
| 700 | 1 | a Languignon, Davidu Observatoire de Paris,Paris Observatory4 aut |
| 700 | 1 | a Gal, R. Le4 aut |
| 700 | 1 | a Maragkoudakis, Alexandrosu NASA Ames Research Center4 aut |
| 700 | 1 | a Meshaka, Raphaelu Institut d'Astrophysique Spatiale4 aut |
| 700 | 1 | a Okada, Yokou Universität zu Köln,University of Cologne4 aut |
| 700 | 1 | a Onaka, Takashiu University of Tokyo, Japan4 aut |
| 700 | 1 | a Pasquini, Sofiau Western University4 aut |
| 700 | 1 | a Pound, Marc W.u University of Michigan4 aut |
| 700 | 1 | a Robberto, Massimou Space Telescope Science Institute (STScI)4 aut |
| 700 | 1 | a Rollig, M.4 aut |
| 700 | 1 | a Schefter, Bethanyu Western University4 aut |
| 700 | 1 | a Schirmer, Thiébautu Institut d'Astrophysique Spatiale4 aut |
| 700 | 1 | a Tabone, Benoîtu Institut d'Astrophysique Spatiale4 aut |
| 700 | 1 | a Tielens, A.G.G.M.u Universiteit Leiden (UL),Leiden University (UL)4 aut |
| 700 | 1 | a Wolfire, M.G.u University of Maryland4 aut |
| 700 | 1 | a Zannese, Marionu Institut d'Astrophysique Spatiale4 aut |
| 700 | 1 | a Ysard, Nathalieu Institut d'Astrophysique Spatiale4 aut |
| 700 | 1 | a Miville-Deschênes, Marc Antoineu Université Paris-Saclay,University Paris-Saclay4 aut |
| 700 | 1 | a Aleman, I.u Universidade Federal de Itajuba,Federal University of Itajubá4 aut |
| 700 | 1 | a Allamandola, Louisu NASA Ames Research Center4 aut |
| 700 | 1 | a Auchettl, Rebeccau Australian Synchrotron (ANSTO)4 aut |
| 700 | 1 | a Baratta, Giuseppe Antoniou Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Bejaoui, Salmau NASA Ames Research Center4 aut |
| 700 | 1 | a Bera, Partha P.u NASA Ames Research Center4 aut |
| 700 | 1 | a Black, John H,d 1949u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)jblack |
| 700 | 1 | a Boulanger, F.4 aut |
| 700 | 1 | a Bouwman, Jordyu University of Colorado at Boulder4 aut |
| 700 | 1 | a Brandl, B. R.u Universiteit Leiden (UL),Leiden University (UL)4 aut |
| 700 | 1 | a Brechignac, Philippeu Université Paris-Saclay,University Paris-Saclay4 aut |
| 700 | 1 | a Brünken, S.u Radboud Universiteit,Radboud University4 aut |
| 700 | 1 | a Buragohain, Mridusmitau University of Hyderabad4 aut |
| 700 | 1 | a Burkhardt, Andrew4 aut |
| 700 | 1 | a Candian, Alessandrau Anton Pannekoek Institute for Astronomy4 aut |
| 700 | 1 | a Cazaux, S.u Technische Universiteit Delft,Delft University of Technology (TU Delft)4 aut |
| 700 | 1 | a Cernicharo, Joseu CSIC - Instituto de Fisica Fundamental (IFF)4 aut |
| 700 | 1 | a Chabot, Marinu Université Paris-Saclay,University Paris-Saclay4 aut |
| 700 | 1 | a Chakraborty, Shubhadip4 aut |
| 700 | 1 | a Champion, Jasonu Institut de Recherche en Astrophysique et Planétologie (IRAP)4 aut |
| 700 | 1 | a Colgan, Sean W. J.u NASA Ames Research Center4 aut |
| 700 | 1 | a Cooke, Ilsa R.u University of British Columbia (UBC)4 aut |
| 700 | 1 | a Coutens, A.u Institut de Recherche en Astrophysique et Planétologie (IRAP)4 aut |
| 700 | 1 | a Cox, N. L. J.u Observatoire de la Cote d'Azur4 aut |
| 700 | 1 | a Demyk, K.u Institut de Recherche en Astrophysique et Planétologie (IRAP)4 aut |
| 700 | 1 | a Meyer, Jennifer Donovanu National Radio Astronomy Observatory4 aut |
| 700 | 1 | a Foschino, Sachau Institut de Recherche en Astrophysique et Planétologie (IRAP)4 aut |
| 700 | 1 | a Garcia-Lario, P.u European Space Astronomy Centre (ESAC)4 aut |
| 700 | 1 | a Gavilan, Lissethu NASA Ames Research Center4 aut |
| 700 | 1 | a Gerin, M.u Observatoire de Paris,Paris Observatory4 aut |
| 700 | 1 | a Gottlieb, C. A.u Harvard-Smithsonian Center for Astrophysics4 aut |
| 700 | 1 | a Guillard, P.u Institut d 'Astrophysique de Paris4 aut |
| 700 | 1 | a Gusdorf, Antoine4 aut |
| 700 | 1 | a Hartigan, Patricku Rice University4 aut |
| 700 | 1 | a He, J. H.u Yunnan Observatories4 aut |
| 700 | 1 | a Herbst, Eu University of Virginia4 aut |
| 700 | 1 | a Hornekaer, Livu Århus Universitet,Aarhus University4 aut |
| 700 | 1 | a Jäger, Corneliau Friedrich-Schiller-Universität Jena,Friedrich Schiller University Jena4 aut |
| 700 | 1 | a Janot-Pacheco, Eduardou Universidade de Sao Paulo (USP),University of Sao Paulo (USP)4 aut |
| 700 | 1 | a Kaufman, M.u San Jose State University4 aut |
| 700 | 1 | a Kemper, F.u Institut de Ciències de l'Espai (ICE) - CSIC,Institute of Space Sciences (ICE) - CSIC4 aut |
| 700 | 1 | a Kendrew, S.u European Space Agency (ESA)4 aut |
| 700 | 1 | a Kirsanova, M. S.u Russian Academy of Sciences4 aut |
| 700 | 1 | a Klaassen, Pamelau Royal Observatory4 aut |
| 700 | 1 | a Kwok, Sunu University of British Columbia (UBC)4 aut |
| 700 | 1 | a Labiano, A.u European Space Astronomy Centre (ESAC)4 aut |
| 700 | 1 | a Lai, Thomasu California Institute of Technology (Caltech)4 aut |
| 700 | 1 | a Lee, Timothy J.u NASA Ames Research Center4 aut |
| 700 | 1 | a Lefloch, B.u Université de Bordeaux,University of Bordeaux4 aut |
| 700 | 1 | a Le Petit, Franck,d 1975u Observatoire de Paris,Paris Observatory4 aut |
| 700 | 1 | a Li, Aigenu University of Missouri4 aut |
| 700 | 1 | a Linz, H.u Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)4 aut |
| 700 | 1 | a MacKie, Cameron J.u Lawrence Berkeley National Laboratory4 aut |
| 700 | 1 | a Madden, S. C.u Universiteit Leiden (UL),Leiden University (UL)4 aut |
| 700 | 1 | a Mascetti, Joëlle4 aut |
| 700 | 1 | a McGuire, Brettu National Radio Astronomy Observatory4 aut |
| 700 | 1 | a Merino, Pablou CSIC - Instituto de Ciencia de Materiales de Madrid (ICMM)4 aut |
| 700 | 1 | a Micelotta, Elisabetta R.u Helsingin Yliopisto,University of Helsinki4 aut |
| 700 | 1 | a Misselt, K. A.u University of Arizona4 aut |
| 700 | 1 | a Morse, Jon A.4 aut |
| 700 | 1 | a Mulas, Giacomou Institut de Recherche en Astrophysique et Planétologie (IRAP)4 aut |
| 700 | 1 | a Neelamkodan, Naslim4 aut |
| 700 | 1 | a Ohsawa, Ryouu National Astronomical Observatory of Japan4 aut |
| 700 | 1 | a Omont, A.A.u Observatoire de Paris,Paris Observatory4 aut |
| 700 | 1 | a Paladini, R.u California Institute of Technology (Caltech)4 aut |
| 700 | 1 | a Palumbo, Maria Elisabettau Istituto nazionale di astrofisica (INAF)4 aut |
| 700 | 1 | a Pathak, Amitu Banaras Hindu University4 aut |
| 700 | 1 | a Pendleton, Yvonne J.u University of Central Florida (UCF)4 aut |
| 700 | 1 | a Petrignani, Annemiekeu Universiteit Van Amsterdam,University of Amsterdam4 aut |
| 700 | 1 | a Pino, Thomasu Université Paris-Saclay,University Paris-Saclay4 aut |
| 700 | 1 | a Puga, E.u European Space Agency (ESA)4 aut |
| 700 | 1 | a Rangwala, Naseemu NASA Ames Research Center4 aut |
| 700 | 1 | a Rapacioli, Mathias4 aut |
| 700 | 1 | a Ricca, Alessandrau SETI Institute4 aut |
| 700 | 1 | a Roman-Duval, J.u Space Telescope Science Institute (STScI)4 aut |
| 700 | 1 | a Roser, Josephu SETI Institute4 aut |
| 700 | 1 | a Roueff, Evelyneu Observatoire de Paris,Paris Observatory4 aut |
| 700 | 1 | a Rouillé, Gaëlu Friedrich-Schiller-Universität Jena,Friedrich Schiller University Jena4 aut |
| 700 | 1 | a Salama, Faridu NASA Ames Research Center4 aut |
| 700 | 1 | a Sales, Dinalva A.4 aut |
| 700 | 1 | a Sandstrom, Karinu University of California at San Diego (UCSD)4 aut |
| 700 | 1 | a Sarre, Peteru University Of Nottingham4 aut |
| 700 | 1 | a Sciamma-O’Brien, Ellau NASA Ames Research Center4 aut |
| 700 | 1 | a Sellgren, Krisu Ohio State University4 aut |
| 700 | 1 | a Shenoy, Sachindev S.u Space Science Institute4 aut |
| 700 | 1 | a Teyssier, D.u European Space Astronomy Centre (ESAC)4 aut |
| 700 | 1 | a Thomas, Richard D.u Stockholms universitet,Stockholm University4 aut |
| 700 | 1 | a Togi, Adityau Texas State University4 aut |
| 700 | 1 | a Verstraete, Laurentu Institut d'Astrophysique Spatiale4 aut |
| 700 | 1 | a Witt, Adolf N.u University of Toledo4 aut |
| 700 | 1 | a Wootten, A.u National Radio Astronomy Observatory4 aut |
| 700 | 1 | a Zettergren, H.u Stockholms universitet,Stockholm University4 aut |
| 700 | 1 | a Zhang, Yongu Sun Yat-Sen University4 aut |
| 700 | 1 | a Zhang, Ziwei E.u RIKEN4 aut |
| 700 | 1 | a Zhen, Junfeng4 aut |
| 710 | 2 | a Institut d'Astrophysique Spatialeb Western University4 org |
| 773 | 0 | t Astronomy and Astrophysicsg 685q 685x 0004-6361x 1432-0746 |
| 856 | 4 | u https://research.chalmers.se/publication/541302/file/541302_Fulltext.pdfx primaryx freey FULLTEXT |
| 856 | 4 8 | u https://research.chalmers.se/publication/541302 |
| 856 | 4 8 | u https://doi.org/10.1051/0004-6361/202346747 |
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