Properties of supernova remnants in SIGNALS galaxies–I. NGC 6822 and M33

S Duarte Puertas, L Drissen, C Robert… - Monthly Notices of …, 2024 - academic.oup.com
We present a spatially resolved study of the kinematical properties of known supernova
remnants (SNRs) in the nearest galaxies of the SIGNALS survey, namely NGC 6822 (one …

Bidimensional Exploration of the warm-Temperature Ionised gaS (BETIS)-I. Showcase sample and first results

R González-Díaz, FF Rosales-Ortega… - Astronomy & …, 2024 - aanda.org
We present the Bidimensional Exploration of the warm-Temperature Ionised gaS (BETIS)
project, designed for the spatial and spectral study of the diffuse ionised gas (DIG) in a …

Semi-supervised deep learning for molecular clump verification

X Luo, S Zheng, Z Jiang, Z Chen, Y Huang… - Astronomy & …, 2024 - aanda.org
Context. A reliable molecular clump detection algorithm is essential for studying these
clumps. Existing detection algorithms for molecular clumps still require that detected …

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 …

Discovery of~ 2200 new supernova remnants in 19 nearby star-forming galaxies with MUSE spectroscopy

J Li, K Kreckel, S Sarbadhicary, OV Egorov… - Astronomy & …, 2024 - aanda.org
Supernova feedback injects energy and turbulence into the interstellar medium (ISM) in
galaxies, influences the process of star formation, and is essential to understanding the …

Supernova remnant properties and luminosity functions in NGC 7793 using MUSE IFS

M Kopsacheili, C Jiménez-Palau… - Monthly Notices of …, 2024 - academic.oup.com
In this study, we use MUSE Integral Field Spectroscopy (IFS), along with multiline
diagnostics, for the optical identification of supernova remnants (SNRs) in the galaxy NGC …

Implications on star formation rate indicators from H ii regions and diffuse ionized gas in the M101 Group

AE Watkins, JC Mihos, P Harding… - Monthly Notices of the …, 2024 - academic.oup.com
We examine the connection between diffuse ionized gas (DIG), H ii regions, and field O and
B stars in the nearby spiral M101 and its dwarf companion NGC 5474 using ultra-deep H α …

Supernova Remnants in the Irregular Galaxy NGC 4449

PF Winkler, KS Long, WP Blair - The Astrophysical Journal, 2023 - iopscience.iop.org
The nearby irregular galaxy NGC 4449 has a star formation rate of∼ 0.4M☉ yr− 1 and
should host of order 70 supernova remnants (SNRs) younger than 20,000 yr, a typical age …

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 …

Machine-learning the gap between real and simulated nebulae: A domain-adaptation approach to classify ionised nebulae in nearby galaxies

F Belfiore, M Ginolfi, G Blanc, M Boquien… - arXiv preprint arXiv …, 2024 - arxiv.org
Classifying ionised nebulae in nearby galaxies is crucial to studying stellar feedback
mechanisms and understanding the physical conditions of the interstellar medium. This …