The role of magnetic fields in setting the star formation rate and the initial mass function

MR Krumholz, C Federrath - Frontiers in Astronomy and Space …, 2019 - frontiersin.org
Star-forming gas clouds are strongly magnetized, and their ionization fractions are high
enough to place them close to the regime of ideal magnetohydrodyamics on all but the …

Clustered supernovae drive powerful galactic winds after superbubble breakout

D Fielding, E Quataert, D Martizzi - Monthly Notices of the Royal …, 2018 - academic.oup.com
We use three-dimensional hydrodynamic simulations of vertically stratified patches of
galactic discs to study how the spatio-temporal clustering of supernovae (SNe) enhances …

A deep spectromorphological study of the γ-ray emission surrounding the young massive stellar cluster Westerlund 1

F Aharonian, H Ashkar, M Backes, VB Martins… - Astronomy & …, 2022 - aanda.org
Context. Young massive stellar clusters are extreme environments and potentially provide
the means for efficient particle acceleration. Indeed, they are increasingly considered as …

Growth and structure of multiphase gas in the cloud-crushing problem with cooling

V Kanjilal, A Dutta, P Sharma - Monthly Notices of the Royal …, 2021 - academic.oup.com
We revisit the problem of the growth of dense/cold gas in the cloud-crushing set-up with
radiative cooling. The relative motion between the dense cloud and the diffuse medium …

Cosmic ray production in superbubbles

T Vieu, S Gabici, V Tatischeff… - Monthly Notices of the …, 2022 - academic.oup.com
We compute the production of cosmic rays (CRs) in the dynamical superbubble (SB)
produced by a cluster of massive stars. Stellar winds, supernova remnants, and turbulence …

Efficient early stellar feedback can suppress galactic outflows by reducing supernova clustering

MC Smith, GL Bryan, RS Somerville… - Monthly Notices of …, 2021 - academic.oup.com
We present a novel set of stellar feedback models, implemented in the moving-mesh code
arepo, designed for galaxy formation simulations with near-parsec (or better) resolution …

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 …

Quantifying the energetics of molecular superbubbles in PHANGS galaxies

EJ Watkins, K Kreckel, B Groves, SCO Glover… - Astronomy & …, 2023 - aanda.org
Context. Star formation and stellar feedback are interlinked processes that redistribute
energy, turbulence, and material throughout galaxies. Because young and massive stars …

Can superbubbles accelerate ultrahigh energy protons?

T Vieu, B Reville, F Aharonian - Monthly Notices of the Royal …, 2022 - academic.oup.com
We critically assess limits on the maximum energy of protons accelerated within
superbubbles around massive stellar clusters, considering a number of different scenarios …

Evolution of supernovae-driven superbubbles with conduction and cooling

K El-Badry, EC Ostriker, CG Kim… - Monthly Notices of …, 2019 - academic.oup.com
We use spherically symmetric hydrodynamic simulations to study the dynamical evolution
and internal structure of superbubbles (SBs) driven by clustered supernovae (SNe), focusing …