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Impact of AGN and nuclear star formation on the ISM turbulence of galaxies: insights from JWST/MIRI spectroscopy

Impact of AGN and nuclear star formation on the ISM turbulence of galaxies: insights from JWST/MIRI spectroscopy
Impact of AGN and nuclear star formation on the ISM turbulence of galaxies: insights from JWST/MIRI spectroscopy
Active galactic nuclei (AGN), star formation (SF), and galaxy interactions can drive turbulence in the gas of the ISM, which in turn plays a role in the SF within galaxies. The impact on molecular gas is of particular importance, as it serves as the primary fuel for SF. Our goal is to investigate the origin of turbulence and the emission of molecular gas, as well as low- and intermediate-ionization gas, in the inner few kpc of both AGN hosts and SF galaxies. We use JWST MIRI/MRS observations of a sample consisting of 54 galaxies at z
astro-ph.GA
0004-6361
Riffel, Rogemar A.
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Colina, Luis
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Costa-Souza, José Henrique
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Mainieri, Vincenzo
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Santaella, Miguel Pereira
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Dors, Oli L.
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García-Bernete, Ismael
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Alonso-Herrero, Almudena
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Audibert, Anelise
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Bellocchi, Enrica
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Bunker, Andrew J.
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Campbell, Steph
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Combes, Françoise
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Davies, Richard I.
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Díaz-Santos, Tanio
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Donnan, Fergus R.
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Esposito, Federico
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Martín, Omaira González
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Haidar, Houda
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Hicks, Erin K. S.
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Hoenig, Sebastian F.
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Imanishi, Masatoshi
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Labiano, Alvaro
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Lopez-Rodriguez, Enrique
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Packham, Christopher
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Almeida, Cristina Ramos
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Rigopoulou, Dimitra
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Rosario, David
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Souza-Oliveira, Gabriel Luan
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Martín, Montserrat Villar
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Veenema, Oscar
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Zhang, Lulu
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Riffel, Rogemar A.
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Colina, Luis
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Costa-Souza, José Henrique
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Mainieri, Vincenzo
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Santaella, Miguel Pereira
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Dors, Oli L.
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Alonso-Herrero, Almudena
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Bunker, Andrew J.
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Campbell, Steph
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Combes, Françoise
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Davies, Richard I.
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Díaz-Santos, Tanio
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Donnan, Fergus R.
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Esposito, Federico
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García-Burillo, Santiago
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García-Lorenzo, Begoña
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Martín, Omaira González
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Haidar, Houda
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Hicks, Erin K. S.
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Hoenig, Sebastian F.
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Imanishi, Masatoshi
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Labiano, Alvaro
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Lopez-Rodriguez, Enrique
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Packham, Christopher
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Almeida, Cristina Ramos
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Rigopoulou, Dimitra
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Rosario, David
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Souza-Oliveira, Gabriel Luan
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Martín, Montserrat Villar
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Veenema, Oscar
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Zhang, Lulu
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Riffel, Rogemar A., Colina, Luis, Costa-Souza, José Henrique, Mainieri, Vincenzo, Santaella, Miguel Pereira, Dors, Oli L., García-Bernete, Ismael, Alonso-Herrero, Almudena, Audibert, Anelise, Bellocchi, Enrica, Bunker, Andrew J., Campbell, Steph, Combes, Françoise, Davies, Richard I., Díaz-Santos, Tanio, Donnan, Fergus R., Esposito, Federico, García-Burillo, Santiago, García-Lorenzo, Begoña, Martín, Omaira González, Haidar, Houda, Hicks, Erin K. S., Hoenig, Sebastian F., Imanishi, Masatoshi, Labiano, Alvaro, Lopez-Rodriguez, Enrique, Packham, Christopher, Almeida, Cristina Ramos, Rigopoulou, Dimitra, Rosario, David, Souza-Oliveira, Gabriel Luan, Martín, Montserrat Villar, Veenema, Oscar and Zhang, Lulu (2026) Impact of AGN and nuclear star formation on the ISM turbulence of galaxies: insights from JWST/MIRI spectroscopy. A&A, 705, [A59]. (doi:10.1051/0004-6361/202556775).

Record type: Article

Abstract

Active galactic nuclei (AGN), star formation (SF), and galaxy interactions can drive turbulence in the gas of the ISM, which in turn plays a role in the SF within galaxies. The impact on molecular gas is of particular importance, as it serves as the primary fuel for SF. Our goal is to investigate the origin of turbulence and the emission of molecular gas, as well as low- and intermediate-ionization gas, in the inner few kpc of both AGN hosts and SF galaxies. We use JWST MIRI/MRS observations of a sample consisting of 54 galaxies at z

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Accepted/In Press date: 2 October 2025
e-pub ahead of print date: 7 January 2026
Keywords: astro-ph.GA

Identifiers

Local EPrints ID: 509684
URI: http://eprints.soton.ac.uk/id/eprint/509684
ISSN: 0004-6361
PURE UUID: 40157463-4313-452d-b0f9-b3e2eca7b775

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Date deposited: 02 Mar 2026 17:43
Last modified: 06 Mar 2026 11:56

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Contributors

Author: Rogemar A. Riffel
Author: Luis Colina
Author: José Henrique Costa-Souza
Author: Vincenzo Mainieri
Author: Miguel Pereira Santaella
Author: Oli L. Dors
Author: Ismael García-Bernete
Author: Almudena Alonso-Herrero
Author: Anelise Audibert
Author: Enrica Bellocchi
Author: Andrew J. Bunker
Author: Steph Campbell
Author: Françoise Combes
Author: Richard I. Davies
Author: Tanio Díaz-Santos
Author: Fergus R. Donnan
Author: Federico Esposito
Author: Santiago García-Burillo
Author: Begoña García-Lorenzo
Author: Omaira González Martín
Author: Houda Haidar
Author: Erin K. S. Hicks
Author: Masatoshi Imanishi
Author: Alvaro Labiano
Author: Enrique Lopez-Rodriguez
Author: Christopher Packham
Author: Cristina Ramos Almeida
Author: Dimitra Rigopoulou
Author: David Rosario
Author: Gabriel Luan Souza-Oliveira
Author: Montserrat Villar Martín
Author: Oscar Veenema
Author: Lulu Zhang

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