activity
20192026
most citedThe multiphase gas structure and kinematics in the circumnuclear region of NGC 5728

102 citations · 243 across the 24 of their papers we have counts for

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23 papers · 1 filter

astro-ph.GA2026

Breaking the Blend: A multi-tracer kinematic decomposition method for IFS data applied to disentangling the AGN outflow and circumnuclear ring in NGC 5728 with JWST

Oscar Veenema, Niranjan Thatte, Dimitra Rigopoulou +26

Integral field spectroscopy (IFS) of the central kiloparsecs of active galactic nuclei (AGN) reveals a mixture of spatially coincident emission from star-formation and AGN feedback…

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

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★ 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

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★ 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.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★ 2 cited

The Arp 240 Galaxy Merger: A Detailed Look at the Molecular Kennicutt-Schmidt Star Formation Law on Sub-kpc Scales

Alejandro Saravia, Eduardo Rodas-Quito, Loreto Barcos-Muñoz +25

The molecular Kennicutt-Schmidt (mK-S) Law has been key for understanding star formation (SF) in galaxies across all redshifts. However, recent sub-kpc observations of nearby galax…

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★ 28 cited

A biconical ionised gas outflow and evidence for positive feedback in NGC 7172 uncovered by MIRI/JWST

L. Hermosa Muñoz, A. Alonso-Herrero, M. Pereira-Santaella +35

We present observations of the type-2 Seyfert NGC7172 obtained with the medium-resolution spectrometer (MRS) of the Mid-Infrared Instrument (MIRI) on board of the JWST. This galaxy…

astro-ph.GA2024★ 12 cited

[OIII] emission in z=2 quasars with and without Broad Absorption Lines

Matthew J. Temple, Amy L. Rankine, Manda Banerji +6

Understanding the links between different phases of outflows from active galactic nuclei is a key goal in extragalactic astrophysics. Here we compare [OIII] 4960,5008 outflow s…

astro-ph.GA2024

The fountain of the luminous infrared galaxy Zw049.057 as traced by its OH megamaser

Boy Lankhaar, Susanne Aalto, Clare Wethers +15

High resolution (0."037-0."13 [10-35 pc]) e-MERLIN ( cm) and (0."024 [6.5 pc]) ALMA ( mm) observations have been used to image OH (hydroxyl) and HCO (formald…

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.GA2024

AGN feedback in the Local Universe: multiphase outflow of the Seyfert galaxy NGC 5506

Federico Esposito, Almudena Alonso-Herrero, Santiago García-Burillo +21

We present new optical GTC/MEGARA seeing-limited (0.9") integral-field observations of NGC 5506, together with ALMA observations of the CO(3-2) transition at a 0.2" (25 pc) resolut…

astro-ph.GA2024

GOALS-JWST: The Warm Molecular Outflows of the Merging Starburst Galaxy NGC 3256

Thomas Bohn, Hanae Inami, Aditya Togi +26

We present James Webb Space Telescope (JWST) Integral Field Spectrograph observations of NGC 3256, a local infrared-luminous late-stage merging system with two nuclei roughly 1$\;\…

astro-ph.GA2023

GOALS-JWST: Mid-Infrared Molecular Gas Excitation Probes the Local Conditions of Nuclear Star Clusters and the AGN in the LIRG VV 114

Victorine A. Buiten, Paul P. van der Werf, Serena Viti +19

The enormous increase in mid-IR sensitivity and spatial and spectral resolution provided by the JWST spectrographs enables, for the first time, detailed extragalactic studies of mo…

astro-ph.GA2023

Co-evolution and Nuclear Structure in the Dwarf Galaxy POX 52 Studied by Multi-wavelength Data From Radio to X-ray

Taiki Kawamuro, Claudio Ricci, Satoshi Yamada +4

The nearby dwarf galaxy POX 52 at hosts an active galactic nucleus (AGN) with a black-hole (BH) mass of and an Eddington ratio of $\s…

astro-ph.GA2023

The Galaxy Activity, Torus, and Outflow Survey (GATOS). III: Revealing the inner icy structure in local AGN

I. García-Bernete, A. Alonso-Herrero, D. Rigopoulou +24

We use JWST/MIRI MRS spectroscopy of a sample of six local obscured type 1.9/2 active galactic nuclei (AGN) to compare their nuclear mid-IR absorption bands with the level of nucle…

astro-ph.GA2021★ 16 cited

Molecular gas kinematics in the nuclear region of nearby Seyfert galaxies with ALMA

A. Bewketu Belete, P. Andreani, J. A. Fernández-Ontiveros +11

We present the analysis of the molecular gas in the nuclear regions of NGC 4968, NGC 4845, and MCG-06-30-15, with the help of ALMA observations of the CO(2-1) emission line. The ai…

astro-ph.GA2019★ 102 cited

The multiphase gas structure and kinematics in the circumnuclear region of NGC 5728

T. Taro Shimizu, R. I. Davies, D. Lutz +22

We report on our combined analysis of HST, VLT/MUSE, VLT/SINFONI, and ALMA observations of the local Seyfert 2 galaxy, NGC 5728 to investigate in detail the feeding and feedback of…