activity
20002026
most citedNuclear star formation activity and black hole accretion in nearby Seyfert galaxies

190 citations · 1.2k across the 47 of their papers we have counts for

collaborators

49 papers

astro-ph.IM2026

Early Exploration of the Scientific Discovery Space for the Habitable Worlds Observatory

Courtney D. Dressing, Danica Adams, Evelyne Alecian +324

The Habitable Worlds Observatory (HWO) is a future NASA flagship mission concept identified by the Astro2020 Decadal Survey as the highest priority for large space missions. HWO sh…

astro-ph.GA2026

GATOS: Distinct Feedback Modes in AGN Central Regions Revealed by Spatially Resolved JWST Spectroscopy

Lulu Zhang, Chris Packham, Erin K. S. Hicks +25

This manuscript presents JWST MIRI/MRS observations of the central pc regions of five active galactic nuclei (AGN) spanning a wide range of luminosities (${\rm l…

astro-ph.GA2026

XRISM Resolves the Circum-nuclear Environment of NGC 4945

Peter G. Boorman, Poshak Gandhi, Yoshihiro Ueda +31

Compton-thick Active Galactic Nuclei (AGN) represent one of the most elusive phases of massive black hole growth, yet are expected to contribute substantially to the Cosmic X-ray B…

astro-ph.GA2026

GATOS XV: A JWST/MIRI survey of extended circumnuclear dust emission in nearby Seyfert galaxies

David J. Rosario, Houda Haidar, Steph Campbell +32

The subarcsecond angular resolution and stable background of JWST has given us the first high-fidelity images of the arcsecond-scale environment around Active Galactic Nuclei (AGNs…

astro-ph.GA2026★ 1 cited

Jet-driven shocks and turbulence in radio-loud Active Galactic Nuclei observed with JWST MIRI/MRS

Rogemar A. Riffel, Gabriel L. Souza-Oliveira, Luis Colina +34

Jet-cloud interactions are a key manifestation of Active Galactic Nucleus (AGN) feedback on nuclear scales, distinct from the large-scale radio-mode feedback that suppresses gas co…

astro-ph.GA2026★ 2 cited

Decoupling the AGN outflow and star-forming disk kinematics in the nuclear region of NGC 7582 with JWST NIRSpec and MIRI/MRS

Oscar Veenema, Niranjan Thatte, Dimitra Rigopoulou +24

We present a detailed study of the inner regions of NGC~7582, a nearby Seyfert~2 galaxy, from the Galaxy Activity, Torus and Outflow Survey (GATOS). The galaxy hosts a circumnuclea…

astro-ph.GA2026

The Galaxy Activity, Torus, and outflow Survey (GATOS) XIII: Coupling Driven H2 Excitation in Seyferts

Daniel E. Delaney, Erin K. S. Hicks, Lulu Zhang +31

We utilize JWST/MIRI IFU observations from the Galaxy Activity, Torus and Outflow Survey (GATOS) to investigate the diverse range of ionized outflow rates of obscured AGN with simi…

astro-ph.GA2026

Evidence of Feedback Effects in Low-luminosity Active Galactic Nuclei Revealed by JWST Spectroscopy

Lulu Zhang, Chris Packham, Erin K. S. Hicks +17

This letter presents an analysis of the infrared () spectra extracted from the nuclear ( pc) regions of four low-luminosity active galactic nuclei (AGN), ob…

astro-ph.GA2026★ 2 cited

GATOS XI : Excess dust heating in the Narrow Line Regions of nearby AGN revealed with JWST/MIRI

Houda Haidar, David J. Rosario, Ismael García-Bernete +38

We present JWST/MIRI imaging of eight nearby Active Galactic Nuclei (AGN) from the GATOS survey to investigate the physical conditions of extended dust in their narrow line regions…

astro-ph.GA2025★ 5 cited

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

Rogemar A. Riffel, Luis Colina, José Henrique Costa-Souza +31

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 imp…

astro-ph.GA2025★ 3 cited

Shock-driven heating in the circumnuclear star-forming regions of NGC 7582: Insights from JWST NIRSpec and MIRI/MRS spectroscopy

Oscar Veenema, Niranjan Thatte, Dimitra Rigopoulou +24

We present combined JWST NIRSpec and MIRI/MRS integral field spectroscopy data of the nuclear and circumnuclear regions of the highly dust obscured Seyfert 2 galaxy NGC 7582, which…

astro-ph.GA2025

Galaxy Activity, Torus and Outflow Survey (GATOS) X: Molecular gas clumpiness under the influence of AGN

Federico Esposito, Almudena Alonso-Herrero, Santiago García-Burillo +27

The distribution of molecular gas on small scales regulates star formation and the growth of supermassive black holes in galaxy centers, yet the role of active galactic nuclei (AGN…

astro-ph.GA2025★ 3 cited

GATOS IX: A Detailed Assessment and Treatment of Emission Line Contamination in JWST/MIRI Images of Nearby Seyfert Galaxies

Steph Campbell, David J. Rosario, Houda Haidar +17

Broadband mid-infrared (MIR) imaging with high spatial resolution is useful to study extended dust structures in the circumnuclear regions of nearby AGN. However, broadband imaging…

astro-ph.GA2025

Theoretical Diagnostics for the Physical Conditions in Active Galactic Nuclei under the View of JWST

Lulu Zhang, Ric I. Davies, Chris Packham +20

With excellent spectral and angular resolutions and, especially, sensitivity, the JWST allows us to observe infrared emission lines that were previously inaccessible or barely acce…

astro-ph.GA2025

Deciphering The Launching of Multi-phase AGN-driven Outflows and Their (Spatially Resolved) Multi-scale Impact

Lulu Zhang, Gagandeep Kaur, Tianmu Gao +10

Beyond deepening our understanding of the formation, growth, and evolution of supermassive black holes, it is crucial to uncover the role of feeding and feedback processes from gro…

astro-ph.GA2025★ 1 cited

GATOS. VIII. On the physical origin of the extended MIR emission in AGN

Enrique Lopez-Rodriguez, Cristina Ramos Almeida, Miguel Pereira-Santaella +31

The polar mid-infrared (MIR) emission detected within 10-100s pcs in some active galactic nuclei (AGN) has been associated with dusty winds driven away by radiation pressure. The p…

astro-ph.IM2025

Evolution of the Ionizing Photon Luminosity Function

Stephan R. McCandliss, Swara Ravindranath, Sangeeta Malhotra +6

Counting the number and brightness of ionizing radiation sources out to a redshift of z ~ 1.2 will revolutionize our understanding of how the ionizing background is created and sus…

astro-ph.GA2025★ 7 cited

JWST reveals the diversity of nuclear obscuring dust in nearby AGN: nuclear isolation of MIRI/MRS datacubes and continuum spectral fitting

Omaira González-Martín, Daniel J. Díaz-González, Mariela Martínez-Paredes +22

We investigate the capabilities of the mid-infrared instrument (MIRI) of James Webb Space Telescope (JWST) to advance our knowledge of AGN dust using the spectral fitting technique…

astro-ph.GA2024

The Galaxy Activity, Torus, and Outflow Survey (GATOS). VII. The 20-214 m imaging atlas of active galactic nuclei using SOFIA

Lindsay Fuller, Enrique Lopez-Rodriguez, Ismael Garcia-Bernete +24

We present a 19.7 - 214 m imaging atlas of local (4 - 181 Mpc; median 43 Mpc) active galactic nuclei (AGN) observed with FORCAST and HAWC+ on board the SOFIA telescope with angu…

astro-ph.GA2024★ 18 cited

Polycyclic Aromatic Hydrocarbon Emission in the Central Regions of Three Seyferts the Implication for Underlying Feedback Mechanisms

Lulu Zhang, Ismael García-Bernete, Chris Packham +29

We analyze JWST MIRI/MRS IFU observations of three Seyferts and showcase the intriguing polycyclic aromatic hydrocarbon (PAH) emission characteristics in regions of $\sim 500\,\rm…

astro-ph.GA2024★ 36 cited

The Galaxy Activity, Torus, and Outflow Survey (GATOS). (IV): Exploring Ionized Gas Outflows in Central Kiloparsec Regions of GATOS Seyferts

Lulu Zhang, Chris Packham, Erin K. S. Hicks +33

Utilizing JWST MIRI/MRS IFU observations of the kiloparsec scale central regions, we showcase the diversity of ionized gas distributions and kinematics in six nearby Seyfert galaxi…

astro-ph.GA2024★ 1 cited

The first spectroscopic IR reverberation programme on Mrk 509

J. A. J. Mitchell, M. J. Ward, D. Kynoch +12

Near IR spectroscopic reverberation of Active Galactic Nuclei (AGN) potentially allows the infrared (IR) broad line region (BLR) to be reverberated alongside the disc and dust cont…

astro-ph.GA2024★ 15 cited

Dust beyond the torus: Revealing the mid-infrared heart of local Seyfert ESO 428-G14 with JWST/MIRI

Houda Haidar, David J. Rosario, Almudena Alonso-Herrero +34

Polar dust has been discovered in a number of local Active Galactic Nuclei (AGN), with radiation-driven torus models predicting a wind to be its main driver. However, little is kno…

astro-ph.GA2023

Deconvolution of JWST/MIRI Images: Applications to an AGN Model and GATOS Observations of NGC 5728

M. T. Leist, C. Packham, D. J. V. Rosario +32

The superb image quality, stability and sensitivity of the JWST permit deconvolution techniques to be pursued with a fidelity unavailable to ground-based observations. We present a…