292 citations · 1k across the 27 of their papers we have counts for
27 papers
Pressure-regulated feedback-modulated star formation as a subgrid model for galaxy formation simulations
Sarah M. R. Jeffreson, Eve C. Ostriker, Chang-Goo Kim +1
We present a new subgrid model for interstellar gas evolution in cosmological simulations of galaxy formation, based on the pressure-regulated, feedback-modulated (PRFM) theory of…
Unmasking Stellar Feedback-Driven Bubbles: Identification and Properties Analysis
Aaron Angress, Michael M. Foley, Sarah M. R. Jeffreson +2
The identification and tracking of stellar feedback-driven galaxy bubbles is an important topic in star formation and galactic structure research. However, current observational an…
What Suppresses Star Formation in Bulge-Dominated Early-Type Galaxies?
Lori E. Porter, S. M. R. Jeffreson, Greg L. Bryan +1
We investigate the physical origin of star formation suppression in gas-rich early-type galaxies using five high-resolution hydrodynamical idealized galaxy simulations, performed w…
Applying a star formation model calibrated on high-resolution interstellar medium simulations to cosmological simulations of galaxy formation
Jan D. Burger, Volker Springel, Eve C. Ostriker +11
Modern high-resolution simulations of the interstellar medium (ISM) have shown that key factors in governing star formation are the competing influences of radiative dissipation, p…
Modelling of long gamma-ray burst host galaxies at cosmic noon from damped Lyman-α absorption statistics
J. -K. Krogager, A. De Cia, K. E. Heintz +11
We study the properties of long gamma-ray burst (GRB) host galaxies using a statistical modelling framework derived to model damped Lyman- absorbers (DLAs) in quasar spectra at…
Towards Implementation of the Pressure-Regulated, Feedback-Modulated Model of Star Formation in Cosmological Simulations: Methods and Application to TNG
Sultan Hassan, Eve C. Ostriker, Chang-Goo Kim +12
Traditional star formation subgrid models implemented in cosmological galaxy formation simulations, such as that of Springel & Hernquist (2003, hereafter SH03), employ adjustable p…
Learning the Universe: GalactISM simulations of resolved star formation and galactic outflows across main sequence and quenched galactic environments
Sarah M. R. Jeffreson, Eve C. Ostriker, Chang-Goo Kim +5
We present a suite of six high-resolution chemo-dynamical simulations of isolated galaxies, spanning observed disk-dominated environments on the star-forming main sequence, as well…
Metallicity Dependence of Pressure-Regulated Feedback-Modulated Star Formation in the TIGRESS-NCR Simulation Suite
Chang-Goo Kim, Eve C. Ostriker, Jeong-Gyu Kim +8
We present a new simulation suite for the star-forming interstellar medium (ISM) in galactic disks using the TIGRESS-NCR framework. Distinctive aspects of our simulation suite are:…
WISDOM project XX -- Strong shear tearing molecular clouds apart in NGC 524
Anan Lu, Daryl Haggard, Martin Bureau +17
Early-type galaxies (ETGs) are known to harbour dense spheroids of stars but scarce star formation (SF). Approximately a quarter of these galaxies have rich molecular gas reservoir…
Simulating nearby disc galaxies on the main star formation sequence I. Bar formation and the building of the central gas reservoir
Pierrick Verwilghen, Eric Emsellem, Florent Renaud +14
Past studies have long emphasised the key role played by galactic stellar bars in the context of disc secular evolution, via the redistribution of gas and stars, the triggering of…
The Molecular Cloud Lifecycle II: Formation and Destruction of Molecular Clouds Diagnosed via H Fluorescent Emission Emission
Blakesley Burkhart, Shmuel Bialy, Daniel Seifried +11
Molecular hydrogen (H) formation and dissociation are key processes that drive the gas lifecycle in galaxies. Using the SImulating the LifeCycle of Molecular Clouds (SILCC) zoo…
Stellar associations powering HII regions $\unicode{x2013}$ I. Defining an evolutionary sequence
Fabian Scheuermann, Kathryn Kreckel, Ashley T. Barnes +30
Connecting the gas in HII regions to the underlying source of the ionizing radiation can help us constrain the physical processes of stellar feedback and how HII regions evolve ove…
Clouds of Theseus: long-lived molecular clouds are composed of short-lived H2 molecules
Sarah M. R. Jeffreson, Vadim A. Semenov, Mark R. Krumholz
We use passive gas tracer particles in an Arepo simulation of a dwarf spiral galaxy to relate the Lagrangian evolution of star-forming gas parcels and their H2 molecules to the evo…
The PHANGS-JWST Treasury Survey: Star Formation, Feedback, and Dust Physics at High Angular resolution in Nearby GalaxieS
Janice C. Lee, Karin M. Sandstrom, Adam K. Leroy +74
The PHANGS collaboration has been building a reference dataset for the multi-scale, multi-phase study of star formation and the interstellar medium in nearby galaxies. With the suc…
Building the molecular cloud population: the role of cloud mergers
Maya S. Skarbinski, Sarah M. R. Jeffreson, Alyssa A. Goodman
We study the physical drivers of slow molecular cloud mergers within a simulation of a Milky Way-like galaxy in the moving-mesh code Arepo, and determine the influence of these mer…
PHANGS-JWST First Results: Multi-wavelength view of feedback-driven bubbles (The Phantom Voids) across NGC 628
Ashley T. Barnes, Elizabeth J. Watkins, Sharon E. Meidt +51
We present a high-resolution view of bubbles within The Phantom Galaxy (NGC 628); a nearby (~10Mpc), star-forming (~2Msun/yr), face-on (i~9deg) grand-design spiral galaxy. With new…
PHANGS-JWST First Results: A statistical view on bubble evolution in NGC628
Elizabeth J. Watkins, Ashley Barnes, Kiana F. Henny +49
The first JWST observations of nearby galaxies have unveiled a rich population of bubbles that trace the stellar feedback mechanisms responsible for their creation. Studying these…
PHANGS-JWST First Results: Spurring on Star Formation: JWST Reveals Localised Star Formation in a Spiral Arm Spur of NGC 628
Thomas G. Williams, Jiayi Sun, Ashley T. Barnes +34
We combine JWST observations with ALMA CO and VLT-MUSE H data to examine off-spiral arm star formation in the face-on, grand-design spiral galaxy NGC 628. We focus on the northe…
On the scale-height of the molecular gas disc in Milky Way-like galaxies
Sarah M. R. Jeffreson, Jiayi Sun, Christine D. Wilson
We study the relationship between the scale-height of the molecular gas disc and the turbulent velocity dispersion of the molecular interstellar medium within a simulation of a Mil…
Introducing EMP-Pathfinder: modelling the simultaneous formation and evolution of stellar clusters in their host galaxies
Marta Reina-Campos, Benjamin W. Keller, J. M. Diederik Kruijssen +5
The formation and evolution of stellar clusters is intimately linked to that of their host galaxies. To study this connection, we present the EMP-Pathfinder suite of cosmological z…
Momentum feedback from marginally-resolved HII regions in isolated disc galaxies
Sarah M. R. Jeffreson, Mark R. Krumholz, Yusuke Fujimoto +4
We present a novel, physically-motivated sub-grid model for HII region feedback within the moving mesh code Arepo, accounting for both the radiation pressure-driven and thermal exp…
A scaling relation for the molecular cloud lifetime in Milky Way-like galaxies
Sarah M. R. Jeffreson, Benjamin W. Keller, Andrew J. Winter +4
We study the time evolution of molecular clouds across three Milky Way-like isolated disc galaxy simulations at a temporal resolution of 1 Myr, and at a range of spatial resolution…
The role of galactic dynamics in shaping the physical properties of giant molecular clouds in Milky Way-like galaxies
Sarah M. R. Jeffreson, J. M. Diederik Kruijssen, Benjamin W. Keller +2
We examine the role of the large-scale galactic-dynamical environment in setting the properties of giant molecular clouds in Milky Way-like galaxies. We perform three high-resoluti…
The lifecycle of molecular clouds in nearby star-forming disc galaxies
Mélanie Chevance, J. M. Diederik Kruijssen, Alexander P. S. Hygate +29
It remains a major challenge to derive a theory of cloud-scale ( pc) star formation and feedback, describing how galaxies convert gas into stars as a function of the g…