PHANGS–JWST First Results: Destruction of the PAH Molecules in H ii Regions Probed by JWST and MUSE

OV Egorov, K Kreckel, KM Sandstrom… - The Astrophysical …, 2023 - iopscience.iop.org
Polycyclic aromatic hydrocarbons (PAHs) play a critical role in the reprocessing of stellar
radiation and balancing the heating and cooling processes in the interstellar medium but …

Quantifying the energy balance between the turbulent ionised gas and young stars

OV Egorov, K Kreckel, SCO Glover, B Groves… - Astronomy & …, 2023 - aanda.org
Context. Stellar feedback is a key contributor to the morphology and dynamics of the
interstellar medium in star-forming galaxies. In particular, energy and momentum input from …

PHANGS-MUSE: Detection and Bayesian classification of~ 40 000 ionised nebulae in nearby spiral galaxies

E Congiu, GA Blanc, F Belfiore, F Santoro… - Astronomy & …, 2023 - aanda.org
In this work, we present a new catalogue of> 40 000 ionised nebulae distributed across the
19 galaxies observed by the PHANGS-MUSE survey. The nebulae have been classified …

Molecular gas and star formation in nearby starburst galaxy mergers

H He, C Bottrell, C Wilson, J Moreno… - The Astrophysical …, 2023 - iopscience.iop.org
Abstract We employ the Feedback In Realistic Environments (FIRE-2) physics model to
study how the properties of giant molecular clouds (GMCs) evolve during galaxy mergers …

Metallicity calibrations based on auroral lines from PHANGS–MUSE data

M Brazzini, F Belfiore, M Ginolfi, B Groves… - Astronomy & …, 2024 - aanda.org
We present a chemical analysis of selected H II regions from the PHANGS-MUSE nebular
catalogue. Our intent is to empirically re-calibrate strong-line diagnostics of gas-phase …

Stellar associations powering H ii regions – I. Defining an evolutionary sequence

F Scheuermann, K Kreckel, AT Barnes… - Monthly Notices of …, 2023 - academic.oup.com
Connecting the gas in H ii regions to the underlying source of the ionizing radiation can help
us constrain the physical processes of stellar feedback and how H ii regions evolve over …

UM 462, a local green pea galaxy analogue under the MUSE magnifying glass

A Monreal-Ibero, PM Weilbacher, G Micheva… - Astronomy & …, 2023 - aanda.org
Context. Stellar feedback in high-redshift galaxies plays an important, if not dominant, role in
the re-ionisation epoch of the Universe. Because of their extreme star formation (SF), the …

Physical parameters of stellar population in star formation regions of galaxies

AS Gusev, F Sakhibov, OV Egorov… - Monthly Notices of …, 2023 - academic.oup.com
We present the results of a study of young unresolved stellar groupings (clusters, OB
associations, and their complexes) associated with H ii regions, based on the coupling of …

Investigating the Drivers of Electron Temperature Variations in H ii Regions with Keck-KCWI and VLT-MUSE

RJR Vaught, KM Sandstrom, F Belfiore… - The Astrophysical …, 2024 - iopscience.iop.org
H ii region electron temperatures are a critical ingredient in metallicity determinations, and
recent observations have revealed systematic variations in the temperatures measured …

Parameters of star formation regions in galaxies NGC 3963 and NGC 7292

AS Gusev, FK Sakhibov, AV Moiseev, VS Kostiuk… - Astronomy Reports, 2024 - Springer
Results of a study of physical parameters of stellar population in star formation regions in
galaxies with signs of peculiarity NGC 3963 and NGC 7292 are presented. The study was …