activity
20122025
most citedMolecular line emission in NGC1068 imaged with ALMA. I An AGN-driven outflow in the dense molecular gas

476 citations · 1.7k across the 48 of their papers we have counts for

collaborators

48 papers

astro-ph.GA2025★ 2 cited

ALMA uncovers optically thin and multi-component CO gas in the outflowing circumnuclear disk of NGC1068

Yuze Zhang, Serena Viti, Santiago García-Burillo +1

Active galactic nuclei (AGNs) influence their host galaxies through winds and jets that can drive molecular outflows, traceable with CO line emissions using the Atacama Large Milli…

astro-ph.HE2025★ 8 cited

Millimeter emission from supermassive black hole coronae

S. del Palacio, C. Yang, S. Aalto +28

Active Galactic Nuclei (AGN) host accreting supermassive black holes (SMBHs). The accretion can lead to the formation of a hot, X-ray emitting corona close to the SMBH capable of a…

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

Dynamical resonances in PHANGS galaxies

Marina Ruiz-García, Miguel Querejeta, Santiago García-Burillo +13

Bars are remarkable stellar structures that can transport gas toward centers and drive the secular evolution of galaxies. In this context, it is important to locate dynamical reson…

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

Do spiral arms enhance star formation efficiency?

Miguel Querejeta, Adam K. Leroy, Sharon E. Meidt +32

Spiral arms are some of the most spectacular features in disc galaxies, and also present in our own Milky Way. It has been argued that star formation should proceed more efficientl…

astro-ph.GA2024★ 14 cited

Extended high-ionization [MgIV] emission tracing widespread shocks in starbursts seen by JWST /NIRSpec

Miguel Pereira-Santaella, Ismael García-Bernete, Eduardo González-Alfonso +6

We report the detection of extended (>0.5-1kpc) high-ionization [MgIV] 4.487 m (80 eV) emission in four local luminous infrared galaxies observed with JWST/NIRSpec. Excluding th…

astro-ph.GA2024

Multi-transition study of methanol towards NGC 1068 with ALMA

K. -Y. Huang, D. Abbink, S. Viti +1

The outflowing molecular gas in the circumnuclear disk (CND) of the nearby (D=14 Mpc) AGN-starburst composite galaxy NGC 1068 is considered as a manifestation of ongoing AGN feedba…

astro-ph.GA2024★ 5 cited

A spectacular galactic scale magnetohydrodynamic powered wind in ESO 320-G030

M. D. Gorski, S. Aalto, S. König +23

How galaxies regulate nuclear growth through gas accretion by supermassive black holes (SMBHs) is one of the most fundamental questions in galaxy evolution. One potential way to re…

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★ 11 cited

CON-quest II. Spatially and spectrally resolved HCN/HCO+ line ratios in local luminous and ultraluminous infrared galaxies

Y. Nishimura, S. Aalto, M. D. Gorski +24

Nuclear regions of ultraluminous and luminous infrared galaxies (U/LIRGs) are powered by starbursts and/or active galactic nuclei (AGNs). These regions are often obscured by extrem…

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…

astro-ph.GA2023

The CO-to-H2 conversion factor of molecular outflows. Rovibrational CO emission in NGC 3256-S resolved by JWST/NIRSpec

M. Pereira-Santaella, E. González-Alfonso, I. García-Bernete +2

We analyze JWST/NIRSpec observations of the CO rovibrational v=1-0 band at 4.67um around the dust-embedded southern active galactic nucleus (AGN) of NGC3256 (d=40Mpc; L(IR)=10^11.6…

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.GA2023★ 11 cited

Star formation efficiency and AGN feedback in narrow-line Seyfert 1 galaxies with fast X-ray nuclear winds

Quentin Salomé, Yair Krongold, Anna Lia Longinotti +7

We present the first systematic study of the molecular gas and star formation efficiency in a sample of ten narrow-line Seyfert 1 galaxies selected to have X-ray Ultra Fast Outflow…

astro-ph.GA2023★ 10 cited

Hydrodynamic simulations of the Disk of Gas Around Supermassive black holes (HDGAS) -I; Molecular Gas Dynamics

Mojtaba Raouf, Serena Viti, S. García-Burillo +9

We present hydrodynamic simulations of the interstellar medium (ISM) within the circumnuclear disk (CND) of a typical AGN-dominated galaxy influenced by mechanical feedback from an…

astro-ph.GA2023★ 13 cited

The role of grain size in AGN torus dust models

Omaira González-Martín, Cristina Ramos Almeida, Jacopo Fritz +10

Fits the infrared spectra from the nuclear regions of AGN can place constraints on the dust properties, distribution, and geometry by comparison with models. However, none of the c…

astro-ph.GA2023★ 23 cited

A radio-jet driven outflow in the Seyfert 2 galaxy NGC 2110?

L. Peralta de Arriba, A. Alonso-Herrero, S. García-Burillo +16

We present a spatially-resolved study of the ionised gas in the central 2 kpc of the Seyfert 2 galaxy NGC 2110 and investigate the role of its moderate luminosity radio jet (kineti…

astro-ph.GA2023★ 16 cited

Reconstructing the shock history in the CMZ of NGC 253 with ALCHEMI

K. -Y. Huang, S. Viti, J. Holdship +19

HNCO and SiO are well known shock tracers and have been observed in nearby galaxies, including the nearby (D=3.5 Mpc) starburst galaxy NGC 253. The simultaneous detection of these…

astro-ph.GA2023★ 56 cited

Jet-induced molecular gas excitation and turbulence in the Teacup

A. Audibert, C. Ramos Almeida, S. García-Burillo +6

In order to investigate the impact of radio jets on the interstellar medium (ISM) of galaxies hosting active galactic nuclei (AGN), we present subarcsecond resolution Atacama Large…

astro-ph.GA2022★ 78 cited

A high angular resolution view of the PAH emission in Seyfert galaxies using JWST/MRS data

I. García-Bernete, D. Rigopoulou, A. Alonso-Herrero +16

Polycyclic Aromatic Hydrocarbons (PAHs) are carbon-based molecules that are ubiquitous in a variety of astrophysical objects and environments. In this work, we use JWST/MIRI MRS sp…

astro-ph.GA2022★ 17 cited

Understanding if molecular ratios can be used as diagnostics of AGN and starburst activity: The case of NGC 1068

J. Butterworth, J. Holdship, S. Viti +1

Molecular line ratios, such as HCN(1-0)/HCO(1-0) and HCN(4-3)/CS(7-6), are routinely used to identify active galactic nuclei (AGN) activity in galaxies. Such ratios are, howeve…

astro-ph.GA2022★ 64 cited

Low-power jet-ISM interaction in NGC 7319 revealed by JWST/MIRI MRS

M. Pereira-Santaella, J. Álvarez-Márquez, I. García-Bernete +8

We present JWST/MIRI MRS spectroscopy of NGC7319, the largest galaxy in the Stephan's Quintet, observed as part of the Early Release Observations (ERO). NGC7319 hosts a type 2 acti…

astro-ph.GA2022★ 45 cited

Physics of ULIRGs with MUSE and ALMA: PUMA IV. No tight relation between cold molecular outflow rates and AGN luminosities

I. Lamperti, M. Pereira-Santaella, M. Perna +11

We study molecular outflows in a sample of 25 nearby (z< 0.17, d<750 Mpc) ULIRG systems (38 individual nuclei) as part of the "Physics of ULIRGs with MUSE and ALMA" (PUMA) survey,…