JWST MIRI/MRS observations of hot molecular gas in an AGN host galaxy at Cosmic Noon

D. Kakkad; V. Mainieri; Takumi S. Tanaka; John D. Silverman; D. Law; Rogemar A. Riffel; C. Circosta; E. Bertola; M. Bianchin; M. Bischetti; G. Calistro Rivera; S. Carniani; C. Cicone; G. Cresci; T. Costa; C. M. Harrison; I. Lamperti; B. Kalita; Anton M. Koekemoer; A. Marconi; M. Perna; E. Piconcelli; A. Puglisi; Gabriele S. Ilha; G. Tozzi; G. Vietri; C. Vignali; S. Ward; G. Zamorani; L. Zappacosta

JWST MIRI/MRS observations of hot molecular gas in an AGN host galaxy at Cosmic Noon

D. Kakkad
, V. Mainieri
, Takumi S. Tanaka
, John D. Silverman
, D. Law
, Rogemar A. Riffel
, C. Circosta
, E. Bertola
, M. Bianchin
, M. Bischetti
, G. Calistro Rivera
, S. Carniani
, C. Cicone
, G. Cresci
, T. Costa
, C. M. Harrison
, I. Lamperti
, B. Kalita
, Anton M. Koekemoer
, A. Marconi

M. Perna, E. Piconcelli, A. Puglisi, Gabriele S. Ilha, G. Tozzi, G. Vietri, C. Vignali, S. Ward, G. Zamorani, L. Zappacosta

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Abstract

Active Galactic Nuclei (AGN) are believed to play a central role in quenching star formation by removing or destroying molecular gas from host galaxies via radiation-pressure driven outflows and/or radio jets. Some studies of cold molecular gas in galaxies at Cosmic Noon ($z\sim2$) show that AGN have less cold gas ($$10 kpc in MIRI/MRS and ALMA data, respectively and ancillary NIRCam imaging that reveals two satellite galaxies at distances of $\sim$0.4 arcsec (3.3 kpc) and $\sim$0.9 arcsec (7.4 kpc) from the AGN. Our results tentatively indicate that while the CO(3-2)-based cold gas phase dominates the molecular gas mass at Cosmic Noon, H$_{2}$ ro-vibrational transitions are effective in tracing hot molecular gas locally in regions that may lack CO emission.

Original language	English
Journal	Monthly Notices of the Royal Astronomical Society (MNRAS)
Publication status	Accepted/In press - 7 Jul 2025

Keywords

astro-ph.GA
astro-ph.HE

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2507.05354v1

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Kakkad, D., Mainieri, V., Tanaka, T. S., Silverman, J. D., Law, D., Riffel, R. A., Circosta, C., Bertola, E., Bianchin, M., Bischetti, M., Rivera, G. C., Carniani, S., Cicone, C., Cresci, G., Costa, T., Harrison, C. M., Lamperti, I., Kalita, B., Koekemoer, A. M., ... Zappacosta, L. (Accepted/In press). JWST MIRI/MRS observations of hot molecular gas in an AGN host galaxy at Cosmic Noon. Monthly Notices of the Royal Astronomical Society (MNRAS).

@article{69a41f24e8a84f338a229a3ecd592b2d,

title = "JWST MIRI/MRS observations of hot molecular gas in an AGN host galaxy at Cosmic Noon",

abstract = "Active Galactic Nuclei (AGN) are believed to play a central role in quenching star formation by removing or destroying molecular gas from host galaxies via radiation-pressure driven outflows and/or radio jets. Some studies of cold molecular gas in galaxies at Cosmic Noon (\$z\textbackslash{}sim2\$) show that AGN have less cold gas (\$\$10 kpc in MIRI/MRS and ALMA data, respectively and ancillary NIRCam imaging that reveals two satellite galaxies at distances of \$\textbackslash{}sim\$0.4 arcsec (3.3 kpc) and \$\textbackslash{}sim\$0.9 arcsec (7.4 kpc) from the AGN. Our results tentatively indicate that while the CO(3-2)-based cold gas phase dominates the molecular gas mass at Cosmic Noon, H\$\_\{2\}\$ ro-vibrational transitions are effective in tracing hot molecular gas locally in regions that may lack CO emission.",

keywords = "astro-ph.GA, astro-ph.HE",

author = "D. Kakkad and V. Mainieri and Tanaka, \{Takumi S.\} and Silverman, \{John D.\} and D. Law and Riffel, \{Rogemar A.\} and C. Circosta and E. Bertola and M. Bianchin and M. Bischetti and Rivera, \{G. Calistro\} and S. Carniani and C. Cicone and G. Cresci and T. Costa and Harrison, \{C. M.\} and I. Lamperti and B. Kalita and Koekemoer, \{Anton M.\} and A. Marconi and M. Perna and E. Piconcelli and A. Puglisi and Ilha, \{Gabriele S.\} and G. Tozzi and G. Vietri and C. Vignali and S. Ward and G. Zamorani and L. Zappacosta",

note = "Accepted for publication in MNRAS, 11 figures, 2 tables",

year = "2025",

month = jul,

day = "7",

language = "English",

journal = "Monthly Notices of the Royal Astronomical Society (MNRAS)",

issn = "0035-8711",

publisher = "Oxford University Press (OUP)",

}

Kakkad, D, Mainieri, V, Tanaka, TS, Silverman, JD, Law, D, Riffel, RA, Circosta, C, Bertola, E, Bianchin, M, Bischetti, M, Rivera, GC, Carniani, S, Cicone, C, Cresci, G, Costa, T, Harrison, CM, Lamperti, I, Kalita, B, Koekemoer, AM, Marconi, A, Perna, M, Piconcelli, E, Puglisi, A, Ilha, GS, Tozzi, G, Vietri, G, Vignali, C, Ward, S, Zamorani, G & Zappacosta, L 2025, 'JWST MIRI/MRS observations of hot molecular gas in an AGN host galaxy at Cosmic Noon', Monthly Notices of the Royal Astronomical Society (MNRAS).

TY - JOUR

T1 - JWST MIRI/MRS observations of hot molecular gas in an AGN host galaxy at Cosmic Noon

AU - Kakkad, D.

AU - Mainieri, V.

AU - Tanaka, Takumi S.

AU - Silverman, John D.

AU - Law, D.

AU - Riffel, Rogemar A.

AU - Circosta, C.

AU - Bertola, E.

AU - Bianchin, M.

AU - Bischetti, M.

AU - Rivera, G. Calistro

AU - Carniani, S.

AU - Cicone, C.

AU - Cresci, G.

AU - Costa, T.

AU - Harrison, C. M.

AU - Lamperti, I.

AU - Kalita, B.

AU - Koekemoer, Anton M.

AU - Marconi, A.

AU - Perna, M.

AU - Piconcelli, E.

AU - Puglisi, A.

AU - Ilha, Gabriele S.

AU - Tozzi, G.

AU - Vietri, G.

AU - Vignali, C.

AU - Ward, S.

AU - Zamorani, G.

AU - Zappacosta, L.

N1 - Accepted for publication in MNRAS, 11 figures, 2 tables

PY - 2025/7/7

Y1 - 2025/7/7

N2 - Active Galactic Nuclei (AGN) are believed to play a central role in quenching star formation by removing or destroying molecular gas from host galaxies via radiation-pressure driven outflows and/or radio jets. Some studies of cold molecular gas in galaxies at Cosmic Noon ($z\sim2$) show that AGN have less cold gas ($$10 kpc in MIRI/MRS and ALMA data, respectively and ancillary NIRCam imaging that reveals two satellite galaxies at distances of $\sim$0.4 arcsec (3.3 kpc) and $\sim$0.9 arcsec (7.4 kpc) from the AGN. Our results tentatively indicate that while the CO(3-2)-based cold gas phase dominates the molecular gas mass at Cosmic Noon, H$_{2}$ ro-vibrational transitions are effective in tracing hot molecular gas locally in regions that may lack CO emission.

AB - Active Galactic Nuclei (AGN) are believed to play a central role in quenching star formation by removing or destroying molecular gas from host galaxies via radiation-pressure driven outflows and/or radio jets. Some studies of cold molecular gas in galaxies at Cosmic Noon ($z\sim2$) show that AGN have less cold gas ($$10 kpc in MIRI/MRS and ALMA data, respectively and ancillary NIRCam imaging that reveals two satellite galaxies at distances of $\sim$0.4 arcsec (3.3 kpc) and $\sim$0.9 arcsec (7.4 kpc) from the AGN. Our results tentatively indicate that while the CO(3-2)-based cold gas phase dominates the molecular gas mass at Cosmic Noon, H$_{2}$ ro-vibrational transitions are effective in tracing hot molecular gas locally in regions that may lack CO emission.

KW - astro-ph.GA

KW - astro-ph.HE

M3 - Article

SN - 0035-8711

JO - Monthly Notices of the Royal Astronomical Society (MNRAS)

JF - Monthly Notices of the Royal Astronomical Society (MNRAS)

ER -

JWST MIRI/MRS observations of hot molecular gas in an AGN host galaxy at Cosmic Noon

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Keywords

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