235 citations · 520 across the 52 of their papers we have counts for
34 papers · 1 filter
Towards robust simulations of the galactic dynamo: a cross-code comparison between Eulerian and Lagrangian schemes
Mark Ivan Ugalino, Benedikt Diemer, Vadim A. Semenov +8
Galactic magnetic fields are thought to be seeded by microscopic processes such as the Biermann battery and are primarily amplified to observed microgauss strengths by dynamo proce…
The VariableTNG project: mass-dependent regulation of galaxy morphology by baryonic feedback
Yikai Liu, Hong Guo, Volker Springel +3
Galaxy morphology is shaped by both assembly history and baryonic processes, but their relative roles remain uncertain. We use the VariableTNG (VTNG) simulation suite to investigat…
The VariableTNG project: how baryonic mechanisms shape galaxy properties
Kexin Liu, Hong Guo, Luis C. Ho +3
We use 50 Sobol-sampled VariableTNG simulations, varying eight subgrid parameters at fixed cosmology and initial conditions, to determine which baryonic processes regulate galaxies…
Evaluating the flexibility of the MillenniumTNG galaxy formation model with multi-zoom re-simulations
Francisco Maion, Raul E. Angulo, Volker Springel +2
In this study we introduce a new simulation campaign designed to understand how parameters that control star-formation and AGN feedback processes in cosmological hydrodynamical sim…
The PICO-Cluster Project: presenting the galaxy cluster sample and studying magnetic field growth, Faraday rotation and Braginskii heating
Thomas Berlok, Christoph Pfrommer, Ewald Puchwein +9
Galaxy clusters constitute a microcosm of the Universe and offer a unique laboratory for studying plasma astrophysics, encompassing processes such as cosmic-ray acceleration and no…
X-ray emission maps and scaling relations in IllustrisTNG and MillenniumTNG: Differences between cluster and group regimes
Franklin Aldás, Facundo A. Gómez, Volker Springel +3
X-ray observations are a primary probe of the intracluster medium, widely used to infer galaxy cluster masses and scaling relations. We present and validate a pipeline to generate…
Learning the Universe with PRFM-vol: Introducing a new subgrid model for star formation in cosmological simulations
Jan D. Burger, Volker Springel, Eve C. Ostriker +7
We introduce PRFM-vol, a new subgrid model for star formation in cosmological simulations that aims to increase the physical realism of cosmological simulations by leveraging resul…
The evolution of the baryonic content and mass profiles of satellite galaxies in the MTNG simulations
Sergio Contreras, Raul E. Angulo, Giovanni Aricò +5
Empirical models often rely on key relations from the galaxy--halo connection to construct mock galaxy catalogues. These relations typically describe central galaxies more accurate…
Revisiting radio synchrotron diagnostics in star-forming galaxies
Maria Werhahn, Christoph Pfrommer, Philipp Girichidis +7
Radio continuum observations are widely used to study cosmic ray (CR) electron populations and transport processes in star-forming galaxies, but their interpretation relies on seve…
FEASTS Compared with Simulations: Abnormally Irregular and Extended HI Morphologies at a Column Density of in TNG50 and Auriga
Xuchen Lin, Jing Wang, Guinevere Kauffmann +2
With new atomic-hydrogen (HI) observations of FAST Extended Atlas of Selected Targets Survey (FEASTS), we present the first statistical comparison of HI morphology between observat…
The Entangling of Supernova Feedback Impacts with Coarsening Simulation Resolution
Eric Zhang, Laura V. Sales, Thales A. Gutcke +11
It is often understood that supernova (SN) feedback in galaxies is responsible for regulating star formation (SF) and generating gaseous outflows. However, a detailed look at the s…
The distribution and origin of metals in simulated Milky Way-like galaxies
Federico G. Iza, Cecilia Scannapieco, Sebastián E. Nuza +6
In this study, we investigate the distribution and origin of chemical elements in different stellar components of simulated Milky Way-like galaxies in relation to their mass assemb…
Unveiling the Impact of Cosmic Rays on the Disc Sizes and Outflows from Dwarf Scales to Galaxy Groups
Rebekka Bieri, Rüdiger Pakmor, Freeke van de Voort +4
Cosmic rays (CRs) are a non-thermal energy component in the interstellar and circumgalactic medium (CGM) that can act as an additional feedback channel beyond thermal and kinetic f…
Numerical effects on the stripping of dark matter and stars in IllustrisTNG galaxy groups and clusters
Mark R. Lovell, Annalisa Pillepich, Christoph Engler +4
The stellar haloes and intra-cluster light around galaxies are crucial test beds for dark matter (DM) physics and galaxy formation models. We consider the role that the numerical r…
Protostellar disks in their natural habitat -- the formation of protostars and their accretion disks in the turbulent and magnetized interstellar medium
Alexander C. Mayer, Thorsten Naab, Paola Caselli +6
We present simulations of the supernova-driven turbulent interstellar medium (ISM) in a simulation domain of volume within which we resolve the formation of pro…
Mass-morphology relation of TNG50 galaxies
Bruno M. Celiz, Julio F. Navarro, Mario G. Abadi +1
We used the cosmological hydrodynamical simulation TNG50 to study the galaxy mass-morphology relation, as measured by the rotational support of the stellar component of simulated g…
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…
Introducing the THESAN-ZOOM project: radiation-hydrodynamic simulations of high-redshift galaxies with a multi-phase interstellar medium
Rahul Kannan, Ewald Puchwein, Aaron Smith +11
We introduce the THESAN-ZOOM project, a comprehensive suite of high-resolution zoom-in simulations of high-redshift () galaxies selected from the THESAN simulation volume…
Accretion onto supermassive and intermediate mass black holes in cosmological simulations
Rainer Weinberger, Aklant Bhowmick, Laura Blecha +5
Accretion is the dominant contribution to the cosmic massive black hole density in the Universe today. Yet, modelling it in cosmological simulations is challenging due to the dynam…
Different physical and numerical sources of scatter in the - relation and their connection to galaxy evolution
Bocheng Zhu, Volker Springel
Observations have established that the masses of supermassive black holes (SMBHs) correlate tightly with the stellar masses of their host galaxies, albeit with substantial scatter.…
Magnetic dynamos in galaxy clusters: the crucial role of galaxy formation physics at high redshifts
Larissa Tevlin, Thomas Berlok, Christoph Pfrommer +6
Observations of Faraday rotation and synchrotron emission in galaxy clusters imply large-scale magnetic fields with strengths possibly extending back to . Non-ra…
Anisotropic thermal conduction on a moving mesh for cosmological simulations
Rosie Y. Talbot, Rüdiger Pakmor, Christoph Pfrommer +4
In weakly collisional, strongly magnetised plasmas such as the intracluster medium (ICM), hot accretion flows and the solar corona, the transport of heat and momentum occurs primar…
Moving-mesh non-ideal magnetohydrodynamical simulations of the collapse of cloud cores to protostars
Alexander C. Mayer, Oliver Zier, Thorsten Naab +5
Magnetic fields have been shown both observationally and through theoretical work to be an important factor in the formation of protostars and their accretion disks. Accurate model…
Environment matters: stronger magnetic fields in satellite galaxies
Maria Werhahn, Rüdiger Pakmor, Rebekka Bieri +3
Magnetic fields are ubiquitous in the universe and an important component of the interstellar medium. It is crucial to accurately model and understand their properties in different…