E. González-Alfonso
YOU?
Author Swipe
View article: Millimeter emission from supermassive black hole coronae
Millimeter emission from supermassive black hole coronae Open
Context. Active galactic nuclei (AGNs) host accreting supermassive black holes (SMBHs). The accretion process can lead to the formation of a hot, X-ray emitting corona close to the SMBH that can accelerate relativistic electrons. Observati…
View article: <i>JWST</i> reveals cosmic ray dominated chemistry in the local ULIRG IRAS 07251−0248
<i>JWST</i> reveals cosmic ray dominated chemistry in the local ULIRG IRAS 07251−0248 Open
We analyse the ro-vibrational absorption bands of various molecular cations (HCO$^+$, HCNH$^+$, and N$_2$H$^+$) and neutral species (HCN, HNC, and HC$_3$N) detected in the James Webb Space Telescope/Mid-Infrared Instrument Medium Resolutio…
View article: On unveiling buried nuclei with JWST: A technique for hunting the most obscured galaxy nuclei from local to high redshift
On unveiling buried nuclei with JWST: A technique for hunting the most obscured galaxy nuclei from local to high redshift Open
We analyze JWST NIRSpec+MIRI/MRS observations of the infrared (IR) polycyclic aromatic hydrocarbon (PAH) features in the central regions (∼0.26″ at 6 μm; ∼50–440 pc depending on the source) of local luminous IR galaxies. In this work, we e…
View article: JWST Discovery of a Very Fast Biconical Outflow of Warm Molecular Gas in the Nearby Ultraluminous Infrared Galaxy F08572+3915 NW
JWST Discovery of a Very Fast Biconical Outflow of Warm Molecular Gas in the Nearby Ultraluminous Infrared Galaxy F08572+3915 NW Open
We present new James Webb Space Telescope (JWST) Mid-Infrared Instrument Medium-Resolution Spectrometer observations of the nearby ultraluminous infrared galaxy (ULIRG) F08572+3915 NW. These integral field spectroscopic (IFS) data reveal a…
View article: H<sub>3</sub><sup>+</sup> absorption and emission in local (U)LIRGs with JWST/NIRSpec: Evidence for high H<sub>2</sub> ionization rates
H<sub>3</sub><sup>+</sup> absorption and emission in local (U)LIRGs with JWST/NIRSpec: Evidence for high H<sub>2</sub> ionization rates Open
We study the 3.4 − 4.4 μm fundamental rovibrational band of H 3 + , a key tracer of the ionization of the molecular interstellar medium (ISM), in a sample of 12 local ( d < 400 Mpc) (ultra)luminous infrared galaxies ((U)LIRGs) observed wit…
View article: H$_3^+$ absorption and emission in local U/LIRGs with JWST/NIRSpec: Evidence for high H$_2$ ionization rates
H$_3^+$ absorption and emission in local U/LIRGs with JWST/NIRSpec: Evidence for high H$_2$ ionization rates Open
We study the 3.4-4.4$μ$m 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) ultra/luminous infrared galaxies (U/LIRGs) observed with JWST/N…
View article: The fountain of the luminous infrared galaxy Zw049.057 as traced by its OH megamaser
The fountain of the luminous infrared galaxy Zw049.057 as traced by its OH megamaser Open
High-resolution ($ 0{{\overset{\prime\prime}{.}}}037{-}0{{\overset{\prime\prime}{.}}}13 $ [10 − 35 pc]) e-MERLIN ( λ 6 − 18 cm) and ($ 0{{\overset{\prime\prime}{.}}}024 $ [6.5 pc]) ALMA ( λ 1.1 mm) observations have been used to image OH (…
View article: The fountain of the luminous infrared galaxy Zw049.057 as traced by its OH megamaser
The fountain of the luminous infrared galaxy Zw049.057 as traced by its OH megamaser Open
High resolution (0."037-0."13 [10-35 pc]) e-MERLIN ($\lambda6-18$ cm) and (0."024 [6.5 pc]) ALMA ($λ1.1$ mm) observations have been used to image OH (hydroxyl) and H$_2$CO (formaldehyde) megamaser emission, and HCN 3->2 emission towards th…
View article: Extended high-ionization [Mg IV] emission tracing widespread shocks in starbursts seen by JWST/NIRSpec
Extended high-ionization [Mg IV] emission tracing widespread shocks in starbursts seen by JWST/NIRSpec Open
We report the detection of extended (> 0.5–1 kpc) high-ionization [Mg IV ] 4.487 μm (80 eV) emission in four local luminous infrared galaxies observed with JWST/NIRSpec. Excluding the nucleus and outflow of the Type 1 active galactic nucle…
View article: A spectacular galactic scale magnetohydrodynamic powered wind in ESO 320-G030
A spectacular galactic scale magnetohydrodynamic powered wind in ESO 320-G030 Open
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 regulate nuclear growth is through a galactic wind that remov…
View article: CON-quest
CON-quest Open
Context. 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 extremely high columns of gas and dust. Molecular lines …
View article: Structures Of Dust and gAs (SODA): Constraining the innermost dust properties of II Zw96 with JWST observations of H$_2$O and CO
Structures Of Dust and gAs (SODA): Constraining the innermost dust properties of II Zw96 with JWST observations of H$_2$O and CO Open
We analyze JWST NIRSpec$+$MIRI/MRS observations of the infrared (IR) gas-phase molecular bands of the most enshrouded source (D1) within the interacting system and luminous IR galaxy II Zw 096. We report the detection of rovibrational line…
View article: Structures Of Dust and gAs (SODA): Constraining the innermost dust properties of II Zw96 with JWST observations of H<sub>2</sub>O and CO
Structures Of Dust and gAs (SODA): Constraining the innermost dust properties of II Zw96 with JWST observations of H<sub>2</sub>O and CO Open
We analyze JWST NIRSpec+MIRI/MRS observations of the infrared (IR) gas-phase molecular bands of the most enshrouded source (D1) within the interacting system and luminous IR galaxy II Zw 096. We report the detection of rovibrational lines …
View article: JWST detection of extremely excited outflowing CO and H<sub>2</sub>O in VV 114 E SW: A possible rapidly accreting IMBH
JWST detection of extremely excited outflowing CO and H<sub>2</sub>O in VV 114 E SW: A possible rapidly accreting IMBH Open
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 − 5.0 μm) and H 2 O ν 2 = 1 − 0 (5.0 − 7.8 μm) ro-vibrati…
View article: JWST detection of extremely excited outflowing CO and H2O in VV 114 E SW: a possible rapidly accreting IMBH
JWST detection of extremely excited outflowing CO and H2O in VV 114 E SW: a possible rapidly accreting IMBH Open
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 (4.4-5.0 um) and H2O nu2=1-0 (5.0-7.8um) ro-vibrational bands, bot…
View article: The Galaxy Activity, Torus, and Outflow Survey (GATOS)
The Galaxy Activity, Torus, and Outflow Survey (GATOS) Open
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 nuclear obscuration traced by X-rays. This study is the first to…
View article: The first ground-based detection of the 752 GHz water line in local ultraluminous infrared galaxies using APEX-SEPIA
The first ground-based detection of the 752 GHz water line in local ultraluminous infrared galaxies using APEX-SEPIA Open
We report the first ground-based detection of the water line p-H2O (211–202) at 752.033 GHz in three z < 0.08 ultraluminous infrared galaxies (ULIRGs): IRAS 06035-7102, IRAS 17207-0014, and IRAS 09022-3615. Using the Atacama Pathfinder …
View article: The CO-to-H<sub>2</sub> conversion factor of molecular outflows
The CO-to-H<sub>2</sub> conversion factor of molecular outflows Open
We analyze JWST/NIRSpec observations of the CO rovibrational υ = 1−0 band at ~4.67 µm around the dust-embedded southern active galactic nucleus (AGN) of NGC 3256 ( d = 40 Mpc; L IR = 10 11.6 L ⊙ ). We classify the CO υ = 1−0 spectra into t…
View article: The first ground-based detection of the 752 GHz water line in local ultra-luminous infrared galaxies using APEX-SEPIA
The first ground-based detection of the 752 GHz water line in local ultra-luminous infrared galaxies using APEX-SEPIA Open
We report the first ground-based detection of the water line p-H2O (211-202) at 752.033 GHz in three z < 0.08 ultra-luminous infrared galaxies (ULIRGs): IRAS 06035-7102, IRAS 17207-0014 and IRAS 09022-3615. Using the Atacama Pathfinder EXp…
View article: SUNRISE: The rich molecular inventory of high-redshift dusty galaxies revealed by broadband spectral line surveys
SUNRISE: The rich molecular inventory of high-redshift dusty galaxies revealed by broadband spectral line surveys Open
Understanding the nature of high-redshift dusty galaxies requires a comprehensive view of their interstellar medium (ISM) and molecular complexity. However, the molecular ISM at high redshifts is commonly studied using only a few species b…
View article: The Galaxy Activity, Torus, and Outflow Survey (GATOS). III: Revealing the inner icy structure in local AGN
The Galaxy Activity, Torus, and Outflow Survey (GATOS). III: Revealing the inner icy structure in local AGN Open
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 nuclear obscuration traced by X-rays. This study is the first to…
View article: CONfirm: A Spectacular Galactic Scale MHD Powered Wind in ESO~320-G030
CONfirm: A Spectacular Galactic Scale MHD Powered Wind in ESO~320-G030 Open
One of the most fundamental questions in galaxy evolution is how galaxies regulate nuclear growth and accretion onto supermassive black holes. One potential way to do this is through a galactic wind which removes gas from the nucleus. It i…
View article: The CO-to-H2 conversion factor of molecular outflows. Rovibrational CO emission in NGC 3256-S resolved by JWST/NIRSpec
The CO-to-H2 conversion factor of molecular outflows. Rovibrational CO emission in NGC 3256-S resolved by JWST/NIRSpec Open
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 Lsun). We classify the CO v=1-0 spectra into three categor…
View article: SUNRISE: The rich molecular inventory of high-redshift dusty galaxies revealed by broadband spectral line surveys
SUNRISE: The rich molecular inventory of high-redshift dusty galaxies revealed by broadband spectral line surveys Open
Understanding the nature of high-$z$ dusty galaxies requires a comprehensive view of their ISM and molecular complexity. However, the molecular ISM at high-$z$ is commonly studied using only a few species beyond CO, limiting our understand…
View article: Importance of radiative pumping for the excitation of the H<sub>2</sub>O submillimeter lines in galaxies
Importance of radiative pumping for the excitation of the H<sub>2</sub>O submillimeter lines in galaxies Open
H 2 O 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 Way, and from local to high-redshift galaxies. However, the …
View article: The importance of radiative pumping on the emission of the H_2O submillimeter lines in galaxies
The importance of radiative pumping on the emission of the H_2O submillimeter lines in galaxies Open
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 Way, and from local to high redshift galaxies. However, the e…
View article: Physics of ULIRGs with MUSE and ALMA: PUMA IV. No tight relation between cold molecular outflow rates and AGN luminosities
Physics of ULIRGs with MUSE and ALMA: PUMA IV. No tight relation between cold molecular outflow rates and AGN luminosities Open
We study molecular outflows in a sample of 25 nearby (z< 0.17, d 300 km/s) molecular gas disconnected from the galaxy rotation, which we attribute to outflows. In 77% of the 26 nuclei with $\log L_{IR}/L_{\odot}>11.8$, we identifid molecul…
View article: Physics of ULIRGs with MUSE and ALMA: The PUMA project
Physics of ULIRGs with MUSE and ALMA: The PUMA project Open
We study molecular outflows in a sample of 25 nearby ( z < 0.17, d < 750 Mpc) ultra-luminous infrared galaxy (ULIRG) systems (38 individual nuclei) as part of the Physics of ULIRGs with MUSE and ALMA (PUMA) survey, using ∼400 pc (0.1–1.0″ …
View article: On the thermal structure of the proto-super star cluster 13 in NGC 253
On the thermal structure of the proto-super star cluster 13 in NGC 253 Open
Using high angular resolution ALMA observations (0.02 arcsec ≈ 0.34 pc), we study the thermal structure and kinematics of the proto-super star cluster 13 in the central region of NGC 253 through their continuum and vibrationally excited HC…
View article: A new look at local ultraluminous infrared galaxies: the atlas and radiative transfer models of their complex physics
A new look at local ultraluminous infrared galaxies: the atlas and radiative transfer models of their complex physics Open
We present the ultraviolet to submillimetre spectral energy distributions (SEDs) of the HERschel Ultra Luminous Infrared Galaxy Survey (HERUS) sample of 42 local ultraluminous infrared galaxies (ULIRGs) and fit them with a Markov chain Mon…