126 citations · 576 across the 22 of their papers we have counts for
23 papers
Beyond the dust: JWST reveals extinction and ice content in local (U)LIRGs
G. Speranza, M. Pereira-Santaella, I. García-Bernete +8
We investigate the spatially resolved extinction and ice column densities in four nearby interacting (U)LIRGs using JWST/NIRSpec integral field spectroscopy (R2700; 0.97--5.1…
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…
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…
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…
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…
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…
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…
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…
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.…
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…
SUNRISE: The rich molecular inventory of high-redshift dusty galaxies revealed by broadband spectral line surveys
Chentao Yang, Alain Omont, Sergio Martín +21
Understanding the nature of high- dusty galaxies requires a comprehensive view of their ISM and molecular complexity. However, the molecular ISM at high- is commonly studied…
The importance of radiative pumping on the emission of the H_2O submillimeter lines in galaxies
Eduardo González-Alfonso, Jacqueline Fischer, Javier R. Goicoechea +3
H_2O submillimeter emission is a powerful diagnostic of the molecular interstellar medium in a variety of sources, including low- and high-mass star forming regions of the Milky Wa…
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,…
A new look at local ultraluminous infrared galaxies: the atlas and radiative transfer models of their complex physics
A. Efstathiou, D. Farrah, J. Afonso +11
We present the ultraviolet to submillimetre spectral energy distributions (SEDs) of the HERschel Ultra Luminous Infrared Galaxy Survey (HERUS) sample of 42 local ultraluminous infr…
Excitation and acceleration of molecular outflows in LIRGs: The extended ESO 320-G030 outflow on 200-pc scales
M. Pereira-Santaella, L. Colina, S. García-Burillo +7
We used high-spatial resolution (70 pc; 0.3") CO multi-transition (1-0, 2-1, 4-3, and 6-5) ALMA data to study the physical conditions and kinematics of the cold molecular outflow i…
CO, H2O, H2O+ line and dust emission in a z = 3.63 strongly lensed starburst merger at sub-kiloparsec scales
C. Yang, R. Gavazzi, A. Beelen +22
Using ALMA, we report high angular-resolution observations of the redshift z=3.63 galaxy, G09v1.97, one of the most luminous strongly lensed galaxies discovered by the H-ATLAS surv…
Molecular gas in the northern nucleus of Mrk273: Physical and chemical properties of the disk and its outflow
R. Aladro, S. König, S. Aalto +12
Aiming to characterise the properties of the molecular gas in the ultraluminous infrared galaxy Mrk273 and its outflow, we used the NOEMA interferometer to image the dense gas mole…
A hidden molecular outflow in the LIRG Zw 049.057
N. Falstad, S. Aalto, J. G. Mangum +8
Feedback in the form of mass outflows driven by star formation or active galactic nuclei is a key component of galaxy evolution. The luminous infrared galaxy Zw 049.057 harbours a…
Molecular gas in the Herschel-selected strongly lensed submillimeter galaxies at z~2-4 as probed by multi-J CO lines
C. Yang, A. Omont, A. Beelen +18
(abridged) We present the IRAM-30m observations of multiple-J CO and CI line emission in a sample of redshift ~2-4 Herschel-ATLAS SMGs. A non-negligible effect of differential lens…
Submillimeter H2O and H2O+ emission in lensed ultra- and hyper-luminous infrared galaxies at z ~ 2-4
C. Yang, A. Omont, A. Beelen +21
(abridged) We report rest-frame submillimeter H2O emission line observations of 11 HyLIRGs/ULIRGs at z~2-4 selected among the brightest lensed galaxies discovered in the Herschel-A…
High resolution observations of HCN and HCO+ J=3-2 in the disk and outflow of Mrk231 -Detection of vibrationally excited HCN in the warped nucleus
S. Aalto, S. Garcia-Burillo, S. Muller +6
We obtained high resolution (0."25 to 0."90) observations of HCN and HCO+ J=3-2 of the ultraluminous QSO galaxy Mrk231 with the IRAM Plateau de Bure Interferometer. We find luminou…