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GOALS-JWST: Tracing...
GOALS-JWST: Tracing AGN Feedback on the Star-forming Interstellar Medium in NGC 7469
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- Lai, Thomas (author)
- California Institute of Technology (Caltech)
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- Armus, Lee (author)
- California Institute of Technology (Caltech)
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- Vivian, U. (author)
- University of California at Irvine (UCI)
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- Diaz-Santos, T. (author)
- European University Cyprus,Idryma Technologias kai Erevnas (FORTH),Foundation for Research and Technology Hellas (FORTH)
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- Larson, K. (author)
- Space Telescope Science Institute (STScI)
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- Evans, Aaron S. (author)
- University of Virginia,National Radio Astronomy Observatory
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- Malkan, M. A. (author)
- University of California
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- Appleton, P. (author)
- California Institute of Technology (Caltech)
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- Rich, Jeff (author)
- Carnegie Observatories
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Muller-Sanchez, Francisco (author)
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- Inami, H. (author)
- Hiroshima University
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- Bohn, Thomas (author)
- Hiroshima University
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- McKinney, Jed (author)
- University of Massachusetts
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- Finnerty, Luke (author)
- University of California
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- Law, David (author)
- Space Telescope Science Institute (STScI)
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- Linden, S. T. (author)
- University of Massachusetts
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- Medling, Anne M. (author)
- University of Toledo
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- Privon, G. (author)
- University of Florida,National Radio Astronomy Observatory
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- Song, Y. (author)
- University of Virginia,National Radio Astronomy Observatory
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- Stierwalt, S. (author)
- Occidental College
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- van der Werf, P. (author)
- Universiteit Leiden (UL),Leiden University (UL)
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- Barcos-Munoz, Loreto (author)
- National Radio Astronomy Observatory,University of Virginia
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- Smith, J. D.T. (author)
- University of Toledo
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Togi, Aditya (author)
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- Aalto, Susanne, 1964 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Boker, T. (author)
- European Space Agency (ESA)
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- Charmandaris, V. (author)
- Idryma Technologias kai Erevnas (FORTH),Foundation for Research and Technology Hellas (FORTH),European University Cyprus,Panepistimio Kritis,University of Crete
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- Howell, Justin (author)
- California Institute of Technology (Caltech)
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- Iwasawa, K. (author)
- Institucio Catalana de Recerca i Estudis Avancats (ICREA),Catalan Institution for Research and Advanced Studies (ICREA),Universitat de Barcelona,University of Barcelona
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- Kemper, F. (author)
- Institut d'Estudis Espacials de Catalunya (IEEC),Institute of Space Studies of Catalonia (IEEC),Institut de Ciències de l'Espai (ICE) - CSIC,Institute of Space Sciences (ICE) - CSIC,Institucio Catalana de Recerca i Estudis Avancats (ICREA),Catalan Institution for Research and Advanced Studies (ICREA)
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- Mazzarella, J. (author)
- California Institute of Technology (Caltech)
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- Murphy, E. J. (author)
- National Radio Astronomy Observatory
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- Brown, Michael J.I. (author)
- Monash University
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- Hayward, Christopher C. (author)
- Flatiron Institute
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Marshall, Jason (author)
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- Sanders, D. B. (author)
- University of Hawaii
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- Surace, J. A. (author)
- California Institute of Technology (Caltech)
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(creator_code:org_t)
- 2022-12-23
- 2022
- English.
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In: Astrophysical Journal Letters. - : American Astronomical Society. - 2041-8213 .- 2041-8205. ; 941:2
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https://research.cha...
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https://doi.org/10.3...
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Abstract
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- We present James Webb Space Telescope (JWST) Mid-Infrared Instrument (MIRI) integral-field spectroscopy of the nearby merging, luminous infrared galaxy, NGC 7469. This galaxy hosts a Seyfert type-1.5 nucleus, a highly ionized outflow, and a bright, circumnuclear star-forming ring, making it an ideal target to study active galactic nucleus (AGN) feedback in the local universe. We take advantage of the high spatial/spectral resolution of JWST/ MIRI to isolate the star-forming regions surrounding the central active nucleus and study the properties of the dust and warm molecular gas on ∼100 pc scales. The starburst ring exhibits prominent polycyclic aromatic hydrocarbon (PAH) emission, with grain sizes and ionization states varying by only ∼30%, and a total star formation rate of 10–30 Me yr−1 derived from fine structure and recombination emission lines. Using pure rotational lines of H2 we detect 1.2 × 107 Me of warm molecular gas at a temperature higher than 200 K in the ring. All PAH bands get significantly weaker toward the central source, where larger and possibly more ionized grains dominate the emission, likely the result of the ionizing radiation and/or the fast wind emerging from the AGN. The small grains and warm molecular gas in the bright regions of the ring however display properties consistent with normal star-forming regions. These observations highlight the power of JWST to probe the inner regions of dusty, rapidly evolving galaxies for signatures of feedback and inform models that seek to explain the coevolution of supermassive black holes and their hosts.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Lai, Thomas
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Armus, Lee
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Vivian, U.
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Diaz-Santos, T.
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Larson, K.
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Evans, Aaron S.
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show more...
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Malkan, M. A.
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Appleton, P.
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Rich, Jeff
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Muller-Sanchez, ...
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Inami, H.
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Bohn, Thomas
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McKinney, Jed
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Finnerty, Luke
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Law, David
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Linden, S. T.
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Medling, Anne M.
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Privon, G.
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Song, Y.
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Stierwalt, S.
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van der Werf, P.
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Barcos-Munoz, Lo ...
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Smith, J. D.T.
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Togi, Aditya
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Aalto, Susanne, ...
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Boker, T.
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Charmandaris, V.
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Howell, Justin
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Iwasawa, K.
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Kemper, F.
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Mazzarella, J.
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Murphy, E. J.
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Brown, Michael J ...
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Hayward, Christo ...
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Marshall, Jason
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Sanders, D. B.
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Surace, J. A.
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
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Astrophysical Jo ...
- By the university
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Chalmers University of Technology