19 papers
Beyond Idealized PAHs: Infrared Signatures of Carbon-Chain Defects from Shock Synthesis
Xiaoting Tan, Zhao Wang, Zu-Jia Lu +2
Polycyclic aromatic hydrocarbons (PAHs) are widely recognized as carriers of the aromatic infrared bands (AIBs). However, most spectral models rely on idealized structures that fai…
GATOS: Distinct Feedback Modes in AGN Central Regions Revealed by Spatially Resolved JWST Spectroscopy
Lulu Zhang, Chris Packham, Erin K. S. Hicks +25
This manuscript presents JWST MIRI/MRS observations of the central pc regions of five active galactic nuclei (AGN) spanning a wide range of luminosities (${\rm l…
Spatial Correlations of PAH, UV, H Emission and IMF - PAH Variations in the Star-Forming Complexes of NGC 628
S Amrutha, Dimitra Rigopoulou, Mousumi Das +1
We examine the spatial correlation of emission from polycyclic aromatic hydrocarbons (PAH) (3.3 m, 7.7 m, and 11.3 m) with the far-ultraviolet (FUV), near-ultraviolet (…
Compact near infrared sources in the center of the extraordinary galaxy IC 860
J. S. Gallagher, L. Schisgal, G. C. Privon +7
Hubble Space Telescope (HST) images are used to study the structure of the central regions of the luminous infrared galaxy (LIRG) IC 860. IC 860 is of special interest as a system…
The Line Emission Terahertz Observatory (LETO): Exploring the lifecycle of the ISM and the origins of water
Dimitra Rigopoulou, Peter Roelfsema, William Grainger +13
The Interstellar Medium (ISM) is the reservoir of baryonic matter from which stars and planetary systems are formed. It is also the repository of the material that is expelled at t…
GATOS XIV: The first direct kinematic evidence of dusty outflows from AGN via PAH kinematics of local Seyfert galaxies with JWST
Fergus R. Donnan, Ismael GarcÃa-Bernete, Dimitra Rigopoulou +30
We present the first spatially resolved kinematic evidence for dust in the outflows of Active Galactic Nuclei (AGN). We utilise observations from JWST with NIRSpec IFU and MIRI MRS…