6 papers
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. GarcÃa-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 GarcÃa-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) ult…
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 (formal…
Extended high-ionization [MgIV] emission tracing widespread shocks in starbursts seen by JWST /NIRSpec
Miguel Pereira-Santaella, Ismael GarcÃa-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 t…
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…