Outputs (28)

Swift: A modern highly-parallel gravity and smoothed particle hydrodynamics solver for astrophysical and cosmological applications (2024)
Journal Article
Schaller, M., Borrow, J., Draper, P. W., Ivkovic, M., McAlpine, S., Vandenbroucke, B., …Xiang, Z. (2024). Swift: A modern highly-parallel gravity and smoothed particle hydrodynamics solver for astrophysical and cosmological applications. Monthly Notices of the Royal Astronomical Society, https://doi.org/10.1093/mnras/stae922

Numerical simulations have become one of the key tools used by theorists in all the fields of astrophysics and cosmology. The development of modern tools that target the largest existing computing systems and exploit state-of-the-art numerical method... Read More about Swift: A modern highly-parallel gravity and smoothed particle hydrodynamics solver for astrophysical and cosmological applications.

Non-linear CMB lensing with neutrinos and baryons: FLAMINGO simulations versus fast approximations (2024)
Journal Article
Upadhye, A., Kwan, J., McCarthy, I. G., Salcido, J., Helly, J. C., Kugel, R., …Broxterman, J. C. (2024). Non-linear CMB lensing with neutrinos and baryons: FLAMINGO simulations versus fast approximations. Monthly Notices of the Royal Astronomical Society, 529(2), 1862-1876. https://doi.org/10.1093/mnras/stae663

Weak lensing of the cosmic microwave background is rapidly emerging as a powerful probe of neutrinos, dark energy, and new physics. We present a fast computation of the non-linear CMB lensing power spectrum that combines non-linear perturbation the... Read More about Non-linear CMB lensing with neutrinos and baryons: FLAMINGO simulations versus fast approximations.

Winds versus jets: a comparison between black hole feedback modes in simulations of idealized galaxy groups and clusters (2023)
Journal Article
Huško, F., Lacey, C. G., Schaye, J., Nobels, F. S. J., & Schaller, M. (2024). Winds versus jets: a comparison between black hole feedback modes in simulations of idealized galaxy groups and clusters. Monthly Notices of the Royal Astronomical Society, 527(3), 5988–6020. https://doi.org/10.1093/mnras/stad3548

Using the SWIFT simulation code, we compare the effects of different forms of active galactic nuclei (AGNs) feedback in idealized galaxy groups and clusters. We first present a physically motivated model of black hole (BH) spin evolution and a numeri... Read More about Winds versus jets: a comparison between black hole feedback modes in simulations of idealized galaxy groups and clusters.

The FLAMINGO project: revisiting the S8 tension and the role of baryonic physics (2023)
Journal Article
Elbers, W., Helly, J., Frenk, C., McCarthy, I. G., Salcido, J., Schaye, J., …Upadhye, A. (2023). The FLAMINGO project: revisiting the S8 tension and the role of baryonic physics. Monthly Notices of the Royal Astronomical Society, 526(4), 5494–5519. https://doi.org/10.1093/mnras/stad3107

A number of recent studies have found evidence for a tension between observations of large-scale structure (LSS) and the predictions of the standard model of cosmology with the cosmological parameters fit to the cosmic microwave background (CMB). The... Read More about The FLAMINGO project: revisiting the S8 tension and the role of baryonic physics.

FLAMINGO: calibrating large cosmological hydrodynamical simulations with machine learning. (2023)
Journal Article
Kugel, R., Schaye, J., Schaller, M., Helly, J. C., Braspenning, J., Elbers, W., …Vernon, I. (2023). FLAMINGO: calibrating large cosmological hydrodynamical simulations with machine learning. Monthly Notices of the Royal Astronomical Society, 526(4), 6103-6127. https://doi.org/10.1093/mnras/stad2540

To fully take advantage of the data provided by large-scale structure surveys, we need to quantify the potential impact of baryonic effects, such as feedback from active galactic nuclei (AGN) and star formation, on cosmological observables. In simula... Read More about FLAMINGO: calibrating large cosmological hydrodynamical simulations with machine learning..

The FLAMINGO project: cosmological hydrodynamical simulations for large-scale structure and galaxy cluster surveys (2023)
Journal Article
Schaye, J., Kugel, R., Schaller, M., Helly, . J. C., Braspenning, J., Elbers, W., …Nobels, F. S. J. (2023). The FLAMINGO project: cosmological hydrodynamical simulations for large-scale structure and galaxy cluster surveys. Monthly Notices of the Royal Astronomical Society, 526(4), 4978–5020. https://doi.org/10.1093/mnras/stad2419

We introduce the Virgo Consortium’s FLAMINGO suite of hydrodynamical simulations for cosmology and galaxy cluster physics. To ensure the simulations are sufficiently realistic for studies of large-scale structure, the subgrid prescriptions for stella... Read More about The FLAMINGO project: cosmological hydrodynamical simulations for large-scale structure and galaxy cluster surveys.

KURVS: the outer rotation curve shapes and dark matter fractions of z ∼ 1.5 star-forming galaxies (2023)
Journal Article
Puglisi, A., Dudzevičiūtė, U., Swinbank, M., Gillman, S., Tiley, A. L., Bower, R. G., …Sharples, R. M. (2023). KURVS: the outer rotation curve shapes and dark matter fractions of z ∼ 1.5 star-forming galaxies. Monthly Notices of the Royal Astronomical Society, 524(2), 2814-2835. https://doi.org/10.1093/mnras/stad1966

We present first results from the KMOS Ultra-deep Rotation Velocity Survey (KURVS), aimed at studying the outer rotation curves shape and dark matter content of 22 star-forming galaxies at z ∼1.5. These galaxies represent ’typical’ star-forming discs... Read More about KURVS: the outer rotation curve shapes and dark matter fractions of z ∼ 1.5 star-forming galaxies.

The signal of decaying dark matter with hydrodynamical simulations (2019)
Journal Article
Lovell, M. R., Barnes, D., Bahé, Y., Schaye, J., Schaller, M., Theuns, T., …Bower, R. G. (2019). The signal of decaying dark matter with hydrodynamical simulations. Monthly Notices of the Royal Astronomical Society, 485(3), 4071-4089. https://doi.org/10.1093/mnras/stz691

Dark matter particles may decay, emitting photons. Drawing on the EAGLE family of hydrodynamic simulations of galaxy formation – including the APOSTLE and C-EAGLE simulations – we assess the systematic uncertainties and scatter on the decay flux from... Read More about The signal of decaying dark matter with hydrodynamical simulations.

The evolution of the baryon fraction in halos as a cause of scatter in the galaxy stellar mass in the EAGLE simulation (2018)
Journal Article
Kulier, A., Padilla, N., Schaye, J., Crain, R., Schaller, M., Bower, R., …Paillas, E. (2019). The evolution of the baryon fraction in halos as a cause of scatter in the galaxy stellar mass in the EAGLE simulation. Monthly Notices of the Royal Astronomical Society, 482(3), 3261-3273. https://doi.org/10.1093/mnras/sty2914

The EAGLE simulation suite has previously been used to investigate the relationship between the stellar mass of galaxies, M*, and the properties of dark matter halos, using the hydrodynamical reference simulation combined with a dark matter only (DMO... Read More about The evolution of the baryon fraction in halos as a cause of scatter in the galaxy stellar mass in the EAGLE simulation.

The oxygen abundance gradients in the gas discs of galaxies in the EAGLE simulation (2018)
Journal Article
Tissera, P., Rosas-Guevara, Y., Bower, R., Crain, R., del P Lagos, C., Schaller, M., …Theuns, T. (2019). The oxygen abundance gradients in the gas discs of galaxies in the EAGLE simulation. Monthly Notices of the Royal Astronomical Society, 482(2), 2208-2221. https://doi.org/10.1093/mnras/sty2817

We use the EAGLE simulations to study the oxygen abundance gradients of gas discs in galaxies within the stellar mass range [109.5, 1010.8] ∼ M⊙ at z = 0. The estimated median oxygen gradient is −0.011 ± 0.002 dex kpc−1, which is shallower than obser... Read More about The oxygen abundance gradients in the gas discs of galaxies in the EAGLE simulation.

Ring galaxies in the EAGLE hydrodynamical simulations (2018)
Journal Article
Elagali, A., Lagos, C. D., Wong, O. I., Staveley-Smith, L., Trayford, J. W., Schaller, M., …Abadi, M. G. (2018). Ring galaxies in the EAGLE hydrodynamical simulations. Monthly Notices of the Royal Astronomical Society, 481(3), 2951-2969. https://doi.org/10.1093/mnras/sty2462

We study the formation and evolution of ring galaxies in the Evolution and Assembly of GaLaxies and their Environments (EAGLE) simulations. We use the largest reference model Ref-L100N1504, a cubic cosmological volume of 100 cMpc on a side, to identi... Read More about Ring galaxies in the EAGLE hydrodynamical simulations.

Data Release of UV to Submillimeter Broadband Fluxes for Simulated Galaxies from the EAGLE Project (2018)
Journal Article
Camps, P., Trc̆ka, A., Trayford, J., Baes, M., Theuns, T., Crain, R. A., …Schaye, J. (2018). Data Release of UV to Submillimeter Broadband Fluxes for Simulated Galaxies from the EAGLE Project. Astrophysical Journal Supplement, 234(2), Article 20. https://doi.org/10.3847/1538-4365/aaa24c

We present dust-attenuated and dust emission fluxes for sufficiently resolved galaxies in the EAGLE suite of cosmological hydrodynamical simulations, calculated with the SKIRT radiative transfer code. The post-processing procedure includes specific c... Read More about Data Release of UV to Submillimeter Broadband Fluxes for Simulated Galaxies from the EAGLE Project.

Reducing biases on H0 measurements using strong lensing and galaxy dynamics: results from the eagle simulation (2017)
Journal Article
Tagore, A., Barnes, D., Jackson, N., Kay, S., Schaller, M., Schaye, J., & Theuns, T. (2018). Reducing biases on H0 measurements using strong lensing and galaxy dynamics: results from the eagle simulation. Monthly Notices of the Royal Astronomical Society, 474(3), 3403-3422. https://doi.org/10.1093/mnras/stx2965

Cosmological parameter constraints from observations of time-delay lenses are becoming increasingly precise. However, there may be significant bias and scatter in these measurements due to, among other things, the so-called mass-sheet degeneracy. To... Read More about Reducing biases on H0 measurements using strong lensing and galaxy dynamics: results from the eagle simulation.

Tidal dwarf galaxies in cosmological simulations (2017)
Journal Article
Ploeckinger, S., Sharma, K., Schaye, J., Crain, R. A., Schaller, M., & Barber, C. (2018). Tidal dwarf galaxies in cosmological simulations. Monthly Notices of the Royal Astronomical Society, 474(1), 580-596. https://doi.org/10.1093/mnras/stx2787

The formation and evolution of gravitationally bound, star forming substructures in tidal tails of interacting galaxies, called tidal dwarf galaxies (TDG), has been studied, until now, only in idealized simulations of individual pairs of interacting... Read More about Tidal dwarf galaxies in cosmological simulations.

Comparing galaxy formation in semi-analytic models and hydrodynamical simulations (2017)
Journal Article
Mitchell, P. D., Lacey, C. G., Lagos, C. D., Frenk, C. S., Bower, R. G., Cole, S., …Theuns, T. (2018). Comparing galaxy formation in semi-analytic models and hydrodynamical simulations. Monthly Notices of the Royal Astronomical Society, 474(1), 492-521. https://doi.org/10.1093/mnras/stx2770

It is now possible for hydrodynamical simulations to reproduce a representative galaxy population. Accordingly, it is timely to assess critically some of the assumptions of traditional semi-analytic galaxy formation models. We use the EAGLE simulatio... Read More about Comparing galaxy formation in semi-analytic models and hydrodynamical simulations.

The SAMI Galaxy Survey: understanding observations of large-scale outflows at low redshift with EAGLE simulations (2017)
Journal Article
Tescari, E., Cortese, L., Power, C., Wyithe, J., Ho, I., Crain, R., …Tonini, C. (2018). The SAMI Galaxy Survey: understanding observations of large-scale outflows at low redshift with EAGLE simulations. Monthly Notices of the Royal Astronomical Society, 473(1), 380-397. https://doi.org/10.1093/mnras/stx2315

This work presents a study of galactic outflows driven by stellar feedback. We extract main-sequence disc galaxies with stellar mass 109 ≤ M⋆/ M⊙ ≤ 5.7 × 1010 at redshift z = 0 from the highest resolution cosmological simulation of the Evolution and... Read More about The SAMI Galaxy Survey: understanding observations of large-scale outflows at low redshift with EAGLE simulations.

The relation between galaxy morphology and colour in the EAGLE simulation (2017)
Journal Article
Correa, C. A., Schaye, J., Clauwens, B., Bower, R. G., Crain, R. A., Schaller, M., …Thob, A. C. (2017). The relation between galaxy morphology and colour in the EAGLE simulation. Monthly Notices of the Royal Astronomical Society: Letters, 472(1), L45-L49. https://doi.org/10.1093/mnrasl/slx133

We investigate the relation between kinematic morphology, intrinsic colour and stellar mass of galaxies in the EAGLE cosmological hydrodynamical simulation. We calculate the intrinsic u − r colours and measure the fraction of kinetic energy invested... Read More about The relation between galaxy morphology and colour in the EAGLE simulation.

The Cluster-EAGLE project: global properties of simulated clusters with resolved galaxies (2017)
Journal Article
Barnes, D. J., Kay, S. T., Bahé, Y. M., Dalla Vecchia, C., McCarthy, I. G., Schaye, J., …White, S. D. (2017). The Cluster-EAGLE project: global properties of simulated clusters with resolved galaxies. Monthly Notices of the Royal Astronomical Society, 471(1), 1088-1106. https://doi.org/10.1093/mnras/stx1647

We introduce the Cluster-EAGLE (C-EAGLE) simulation project, a set of cosmological hydrodynamical zoom simulations of the formation of 30 galaxy clusters in the mass range of 1014 < M200/M⊙ < 1015.4 that incorporates the Hydrangea sample of Bahé et a... Read More about The Cluster-EAGLE project: global properties of simulated clusters with resolved galaxies.

Baryon effects on void statistics in the EAGLE simulation (2017)
Journal Article
Paillas, E., Lagos, C. D., Padilla, N., Tissera, P., Helly, J., & Schaller, M. (2017). Baryon effects on void statistics in the EAGLE simulation. Monthly Notices of the Royal Astronomical Society, 470(4), 4434-4452. https://doi.org/10.1093/mnras/stx1514

Cosmic voids are promising tools for cosmological tests due to their sensitivity to dark energy, modified gravity and alternative cosmological scenarios. Most previous studies in the literature of void properties use cosmological N-body simulations o... Read More about Baryon effects on void statistics in the EAGLE simulation.

Small-scale galaxy clustering in the eagle simulation (2017)
Journal Article
Artale, M. C., Pedrosa, S. E., Trayford, J. W., Theuns, T., Farrow, D. J., Norberg, P., …Schaller, M. (2017). Small-scale galaxy clustering in the eagle simulation. Monthly Notices of the Royal Astronomical Society, 470(2), 1771-1787. https://doi.org/10.1093/mnras/stx1263

We study present-day galaxy clustering in the EAGLE cosmological hydrodynamical simulation. EAGLE’s galaxy formation parameters were calibrated to reproduce the redshift z = 0.1 galaxy stellar mass function, and the simulation also reproduces galaxy... Read More about Small-scale galaxy clustering in the eagle simulation.

A chronicle of galaxy mass assembly in the EAGLE simulation (2016)
Journal Article
Qu, Y., Helly, J., Bower, R., Theuns, T., Crain, R., Frenk, C., …White, S. (2017). A chronicle of galaxy mass assembly in the EAGLE simulation. Monthly Notices of the Royal Astronomical Society, 464(2), 1659-1675. https://doi.org/10.1093/mnras/stw2437

We analyse the mass assembly of central galaxies in the Evolution and Assembly of Galaxies and their Environments (EAGLE) hydrodynamical simulations. We build merger trees to connect galaxies to their progenitors at different redshifts and characteri... Read More about A chronicle of galaxy mass assembly in the EAGLE simulation.

The low abundance and insignificance of dark discs in simulated Milky Way galaxies (2016)
Journal Article
Schaller, M., Frenk, C. S., Fattahi, A., Navarro, J. F., Oman, K. A., & Sawala, T. (2016). The low abundance and insignificance of dark discs in simulated Milky Way galaxies. Monthly Notices of the Royal Astronomical Society: Letters, 461(1), L56-L61. https://doi.org/10.1093/mnrasl/slw101

We investigate the presence and importance of dark matter discs in a sample of 24 simulated Milky Way galaxies in the apostle project, part of the eagle programme of hydrodynamic simulations in ΛCDM cosmology. It has been suggested that a dark disc i... Read More about The low abundance and insignificance of dark discs in simulated Milky Way galaxies.

The EAGLE simulations of galaxy formation: the importance of the hydrodynamics scheme (2015)
Journal Article
Schaller, M., Dalla Vecchia, C., Schaye, J., Bower, R. G., Theuns, T., Crain, R. A., …McCarthy, I. G. (2015). The EAGLE simulations of galaxy formation: the importance of the hydrodynamics scheme. Monthly Notices of the Royal Astronomical Society, 454(3), 2277-2291. https://doi.org/10.1093/mnras/stv2169

We present results from a subset of simulations from the ‘Evolution and Assembly of GaLaxies and their Environments’ (EAGLE) suite in which the formulation of the hydrodynamics scheme is varied. We compare simulations that use the same subgrid models... Read More about The EAGLE simulations of galaxy formation: the importance of the hydrodynamics scheme.

Dark matter annihilation radiation in hydrodynamic simulations of Milky Way haloes (2015)
Journal Article
Schaller, M., Frenk, C. S., Theuns, T., Calore, F., Bertone, G., Bozorgnia, N., …Schaye, J. (2016). Dark matter annihilation radiation in hydrodynamic simulations of Milky Way haloes. Monthly Notices of the Royal Astronomical Society, 455(4), 4442-4451. https://doi.org/10.1093/mnras/stv2667

We obtain predictions for the properties of cold dark matter annihilation radiation using high-resolution hydrodynamic zoom-in cosmological simulations of Milky Way-like galaxies (APOSTLE project) carried out as part of the ‘Evolution and Assembly of... Read More about Dark matter annihilation radiation in hydrodynamic simulations of Milky Way haloes.

The offsets between galaxies and their dark matter in Λ cold dark matter (2015)
Journal Article
Schaller, M., Robertson, A., Massey, R., Bower, R. G., & Eke, V. R. (2015). The offsets between galaxies and their dark matter in Λ cold dark matter. Monthly Notices of the Royal Astronomical Society: Letters, 453(1), L58-L62. https://doi.org/10.1093/mnrasl/slv104

We use the ‘Evolution and Assembly of GaLaxies and their Environments’ (EAGLE) suite of hydrodynamical cosmological simulations to measure offsets between the centres of stellar and dark matter components of galaxies. We find that the vast majority (... Read More about The offsets between galaxies and their dark matter in Λ cold dark matter.

The effect of baryons on the inner density profiles of rich clusters (2015)
Journal Article
Schaller, M., Frenk, C. S., Bower, R. G., Theuns, T., Trayford, J. W., Crain, R. A., …McCarthy, I. G. (2015). The effect of baryons on the inner density profiles of rich clusters. Monthly Notices of the Royal Astronomical Society, 452(1), 343-355. https://doi.org/10.1093/mnras/stv1341

We use the ‘Evolution and assembly of galaxies and their environments’ (EAGLE) cosmological simulation to investigate the effect of baryons on the density profiles of rich galaxy clusters. We focus on EAGLE clusters with M200 > 1014 M⊙ of which we ha... Read More about The effect of baryons on the inner density profiles of rich clusters.

Baryon effects on the internal structure of ΛCDM haloes in the EAGLE simulations (2015)
Journal Article
Schaller, M., Frenk, C. S., Bower, R. G., Theuns, T., Jenkins, A., Schaye, J., …McCarthy, I. G. (2015). Baryon effects on the internal structure of ΛCDM haloes in the EAGLE simulations. Monthly Notices of the Royal Astronomical Society, 451(2), 1247-1267. https://doi.org/10.1093/mnras/stv1067

We investigate the internal structure and density profiles of haloes of mass 1010–1014 M⊙ in the Evolution and Assembly of Galaxies and their Environment (EAGLE) simulations. These follow the formation of galaxies in a Λ cold dark matter Universe and... Read More about Baryon effects on the internal structure of ΛCDM haloes in the EAGLE simulations.

A new framework for numerical simulations of structure formation (2014)
Journal Article
Schaller, M., Becker, C., Ruchayskiy, O., Boyarsky, A., & Shaposhnikov, M. (2014). A new framework for numerical simulations of structure formation. Monthly Notices of the Royal Astronomical Society, 442(4), 3073-3095. https://doi.org/10.1093/mnras/stu1069

The diversity of structures in the Universe (from the smallest galaxies to the largest superclusters) has formed under the pull of gravity from the tiny primordial perturbations that we see imprinted in the cosmic microwave background. A quantitative... Read More about A new framework for numerical simulations of structure formation.