146 citations · 830 across the 39 of their papers we have counts for
39 papers
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…
The Galaxy Activity, Torus, and Outflow Survey (GATOS): N. Unveiling physical processes in local active galaxies. Unsupervised hierarchical clustering of JWST MIRI/MRS observations
L. Hermosa Muñoz, J. R. González Fernández, A. Alonso-Herrero +23
With the rise of the integral field spectroscopy, we are currently dealing with large amounts of spatially resolved data, whose analysis has become challenging, especially when obs…
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…
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…
Towards an observationally motivated AGN dusty torus model -- II. The roles of density distribution and chemical composition of the dust
Omar Ulises Reyes-Amador, Omaira González-Martín, Jacopo Fritz +5
Several models of nuclear dust in active galactic nuclei (AGN) have been presented in the literature to determine its physical and geometrical properties, usually assuming the dust…
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…
The properties of the obscuring material of an AGNs sample from mid-IR and X-ray simultaneous fitting
Donaji Esparza-Arredondo, Omaira Gonzalez-Martín, Deborah Dultzin +5
Over ten mid-infrared (mid-IR) and X-ray models are currently attempting to describe the nuclear obscuring material of active galactic nuclei (AGNs), but many questions remain unre…
A Census of the Most Obscured Galaxy Nuclei over Cosmic Time to be revealed by PRIMA
Fergus R. Donnan, Dimitra Rigopoulou, Ismael García-Bernete +2
Characterizing the growth of supermassive Black Holes (SMBHs) is critical to the evolution of galaxies, however the majority of this activity is obscured, rendering traditional tra…
On unveiling Buried Nuclei with JWST: a technique for hunting the most obscured galaxy nuclei from local to high redshift
I. García-Bernete, F. R. Donnan, D. Rigopoulou +12
We analyze JWST NIRSpec+MIRI/MRS observations of the infrared (IR) Polycyclic Aromatic Hydrocarbon (PAH) features in the central regions (0.26'' at 6 micron; 50-440 pc…
MICONIC: Dual active galactic nuclei, star formation, and ionised gas outflows in NGC 6240 seen with MIRI/JWST
L. Hermosa Muñoz, A. Alonso-Herrero, A. Labiano +19
As part of the guaranteed time observations program Mid-Infrared Characterization Of Nearby Iconic galaxy Centers (MICONIC), we used the medium-resolution spectrometer (MRS) of the…
H absorption and emission in local U/LIRGs with JWST/NIRSpec: Evidence for high H ionization rates
Miguel Pereira-Santaella, Eduardo González-Alfonso, Ismael García-Bernete +6
We study the 3.4-4.4m fundamental rovibrational band of H3+, a key tracer of the ionization of the molecular interstellar medium (ISM), in a sample of 12 local (d< 400 Mpc) ultr…
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…
Polycyclic Aromatic Hydrocarbon Emission in Galaxies as seen with JWST
Dimitra Rigopoulou, Fergus R. Donnan, Ismael García-Bernete +6
We present a systematic study of mid-infrared spectra of galaxies including star-forming galaxies and Active Galactic Nuclei observed with JWST MIRI-MRS and NIRSpec-IFU. We focus o…
Extinction and AGN over host galaxy contrast effects on the optical spectroscopic classification of AGN
L. Barquín-González, S. Mateos, F. J. Carrera +9
The optical spectroscopic classification of active galactic nuclei (AGN) into type 1 and type 2 can be understood in the frame of the AGN unification models. However, it remains un…
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…
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…
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…
Structures Of Dust and gAs (SODA): Constraining the innermost dust properties of II Zw96 with JWST observations of HO and CO
I. García-Bernete, M. Pereira-Santaella, E. González-Alfonso +4
We analyze JWST NIRSpecMIRI/MRS observations of the infrared (IR) gas-phase molecular bands of the most enshrouded source (D1) within the interacting system and luminous IR gala…
JWST detection of extremely excited outflowing CO and H2O in VV 114 E SW: a possible rapidly accreting IMBH
Eduardo González-Alfonso, Ismael García-Bernete, Miguel Pereira-Santaella +3
Mid-infrared (mid-IR) gas-phase molecular bands are powerful diagnostics of the warm interstellar medium. We report the James Webb Space Telescope detection of the CO v=1-0 (4.4-5.…
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…
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…
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…
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…
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…