A tale of two DIGs: The relative role of H II regions and low-mass hot evolved stars in powering the diffuse ionised gas (DIG) in PHANGS–MUSE galaxies

F Belfiore, F Santoro, B Groves, E Schinnerer… - Astronomy & …, 2022 - aanda.org
We use integral field spectroscopy from the PHANGS–MUSE survey, which resolves the
ionised interstellar medium structure at∼ 50 pc resolution in 19 nearby spiral galaxies, to …

Pre-supernova feedback mechanisms drive the destruction of molecular clouds in nearby star-forming disc galaxies

M Chevance, JMD Kruijssen… - Monthly Notices of …, 2022 - academic.oup.com
It is a major open question which physical processes stop gas accretion on to giant
molecular clouds (GMCs) and limit the efficiency at which gas is converted into stars. While …

Mapping metallicity variations across nearby galaxy disks

K Kreckel, IT Ho, GA Blanc, B Groves… - The Astrophysical …, 2019 - iopscience.iop.org
The distribution of metals within a galaxy traces the baryon cycle and the buildup of galactic
disks, but the detailed gas phase metallicity distribution remains poorly sampled. We have …

PHANGS CO kinematics: disk orientations and rotation curves at 150 pc resolution

P Lang, SE Meidt, E Rosolowsky, J Nofech… - The Astrophysical …, 2020 - iopscience.iop.org
We present kinematic orientations and high-resolution (150 pc) rotation curves for 67 main-
sequence star-forming galaxies surveyed in CO (2–1) emission by PHANGS–ALMA. Our …

SDSS-IV MaNGA: Modeling the spectral line-spread function to subpercent accuracy

DR Law, KB Westfall, MA Bershady… - The Astronomical …, 2021 - iopscience.iop.org
Abstract The Sloan Digital Sky Survey IV Mapping Nearby Galaxies at APO (MaNGA)
program has been operating from 2014 to 2020, and has now observed a sample of 9269 …

H α emission in local galaxies: star formation, time variability, and the diffuse ionized gas

S Tacchella, A Smith, R Kannan… - Monthly Notices of …, 2022 - academic.oup.com
The nebular recombination line H α is widely used as a star formation rate (SFR) indicator in
the local and high-redshift Universe. We present a detailed H α radiative transfer study of …

The nature of diffuse ionized gas in star-forming galaxies

W McClymont, S Tacchella, A Smith… - Monthly Notices of …, 2024 - academic.oup.com
We present an analysis of the diffuse ionized gas (DIG) in a high-resolution simulation of an
isolated Milky Way-like galaxy, incorporating on-the-fly radiative transfer and non …

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 …

SDSS-IV MaNGA: refining strong line diagnostic classifications using spatially resolved gas dynamics

DR Law, X Ji, F Belfiore, MA Bershady… - The Astrophysical …, 2021 - iopscience.iop.org
We use the statistical power of the MaNGA integral-field spectroscopic galaxy survey to
improve the definition of strong line diagnostic boundaries used to classify gas ionization …

Pushing automated morphological classifications to their limits with the Dark Energy Survey

J Vega-Ferrero, H Domínguez Sánchez… - Monthly Notices of …, 2021 - academic.oup.com
We present morphological classifications of∼ 27 million galaxies from the Dark Energy
Survey (DES) Data Release 1 (DR1) using a supervised deep learning algorithm. The …