The abundance of dark matter haloes down to Earth mass
(2024)
Journal Article
Zheng, H., Bose, S., Frenk, C. S., Gao, L., Jenkins, A., Liao, S., Liu, Y., & Wang, J. (2024). The abundance of dark matter haloes down to Earth mass. Monthly Notices of the Royal Astronomical Society, 528(4), 7300-7309. https://doi.org/10.1093/mnras/stae289
All Outputs (136)
The mass accretion history of dark matter haloes down to Earth mass (2023)
Journal Article
Liu, Y., Gao, L., Bose, S., Frenk, C. S., Jenkins, A., Springel, V., Wang, J., White, S. D. M., & Zheng, H. (2023). The mass accretion history of dark matter haloes down to Earth mass. Monthly Notices of the Royal Astronomical Society, 527(4), 11740-11750. https://doi.org/10.1093/mnras/stae003We take advantage of the unprecedented dynamical range provided by the ‘Cosmic-Zoom’ project to study the mass accretion history (MAH) of present-day dark matter haloes o v er the entire mass range present in the Lambda cold dark matter paradigm when... Read More about The mass accretion history of dark matter haloes down to Earth mass.
Where shadows lie: reconstruction of anisotropies in the neutrino sky (2023)
Journal Article
Elbers, W., Frenk, C. S., Jenkins, A., Li, B., Pascoli, S., Jasche, J., …Springel, V. (2023). Where shadows lie: reconstruction of anisotropies in the neutrino sky. Journal of Cosmology and Astroparticle Physics, 2023(10), Article 010. https://doi.org/10.1088/1475-7516/2023/10/010The Cosmic Neutrino Background (CNB) encodes a wealth of information, but has not yet been observed directly. To determine the prospects of detection and to study its information content, we reconstruct the phase-space distribution of local relic neu... Read More about Where shadows lie: reconstruction of anisotropies in the neutrino sky.
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/stad2540To 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/stad2419We 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.
The Milky Way’s plane of satellites is consistent with ΛCDM (2022)
Journal Article
Sawala, T., Cautun, M., Frenk, C., Helly, J., Jasche, J., Jenkins, A., …Schaller, M. (2023). The Milky Way’s plane of satellites is consistent with ΛCDM. Nature Astronomy, 7(4), 481-491. https://doi.org/10.1038/s41550-022-01856-zThe Milky Way is surrounded by 11 ‘classical’ satellite galaxies in a remarkable configuration: a thin plane that is possibly rotationally supported. Such a structure is thought to be highly unlikely to arise in the standard (ΛCDM) cosmological model... Read More about The Milky Way’s plane of satellites is consistent with ΛCDM.
Higher order initial conditions with massive neutrinos (2022)
Journal Article
Elbers, W., Frenk, C. S., Jenkins, A., Li, B., & Pascoli, S. (2022). Higher order initial conditions with massive neutrinos. Monthly Notices of the Royal Astronomical Society, 516(3), https://doi.org/10.1093/mnras/stac2365The discovery that neutrinos have mass has important consequences for cosmology. The main effect of massive neutrinos is to suppress the growth of cosmic structure on small scales. Such growth can be accurately modelled using cosmological N-body simu... Read More about Higher order initial conditions with massive neutrinos.
SIBELIUS-DARK: a galaxy catalogue of the local volume from a constrained realization simulation (2022)
Journal Article
McAlpine, S., Helly, J. C., Schaller, M., Sawala, T., Lavaux, G., Jasche, J., …Johansson, P. H. (2022). SIBELIUS-DARK: a galaxy catalogue of the local volume from a constrained realization simulation. Monthly Notices of the Royal Astronomical Society, 512(4), 5823-5847. https://doi.org/10.1093/mnras/stac295We present SIBELIUS-DARK, a constrained realization simulation of the local volume to a distance of 200 Mpc from the Milky Way. SIBELIUS-DARK is the first study of the ‘Simulations Beyond The Local Universe’ (SIBELIUS) project, which has the goal of... Read More about SIBELIUS-DARK: a galaxy catalogue of the local volume from a constrained realization simulation.
The SIBELIUS Project: E Pluribus Unum (2021)
Journal Article
Sawala, T., McAlpine, S., Jasche, J., Lavaux, G., Jenkins, A., Johansson, P. H., & Frenk, C. S. (2022). The SIBELIUS Project: E Pluribus Unum. Monthly Notices of the Royal Astronomical Society, 509(1), 1432-1446. https://doi.org/10.1093/mnras/stab2684We introduce ‘Simulations Beyond The Local Universe’ (SIBELIUS) that connect the Local Group (LG) to its cosmic environment. We show that introducing hierarchical small-scale perturbations to a density field constrained on large scales by observation... Read More about The SIBELIUS Project: E Pluribus Unum.
Determining the full satellite population of a Milky Way-mass halo in a highly resolved cosmological hydrodynamic simulation (2021)
Journal Article
Grand, R. J., Marinacci, F., Pakmor, R., Simpson, C. M., Kelly, A. J., Gómez, F. A., …White, S. D. (2021). Determining the full satellite population of a Milky Way-mass halo in a highly resolved cosmological hydrodynamic simulation. Geometry & Topology, 507(4), 4953-4967. https://doi.org/10.1093/mnras/stab2492We investigate the formation of the satellite galaxy population of a Milky Way-mass halo in a very highly resolved magnetohydrodynamic cosmological zoom-in simulation (baryonic mass resolution mb = 800 M⊙). We show that the properties of the central... Read More about Determining the full satellite population of a Milky Way-mass halo in a highly resolved cosmological hydrodynamic simulation.
Constraints on the properties of warm dark matter using the satellite galaxies of the Milky Way (2021)
Journal Article
Newton, O., Leo, M., Cautun, M., Jenkins, A., Frenk, C. S., Lovell, M. R., …Cole, S. (2021). Constraints on the properties of warm dark matter using the satellite galaxies of the Milky Way. Journal of Cosmology and Astroparticle Physics, 2021(08), Article 062. https://doi.org/10.1088/1475-7516/2021/08/062The satellite galaxies of the Milky Way (MW) are effective probes of the underlying dark matter (DM) substructure, which is sensitive to the nature of the DM particle. In particular, a class of DM models have a power spectrum cut-off on the mass scal... Read More about Constraints on the properties of warm dark matter using the satellite galaxies of the Milky Way.
An optimal non-linear method for simulating relic neutrinos (2021)
Journal Article
Elbers, W., Frenk, C. S., Jenkins, A., Li, B., & Pascoli, S. (2021). An optimal non-linear method for simulating relic neutrinos. Monthly Notices of the Royal Astronomical Society, 507(2), 2614-2631. https://doi.org/10.1093/mnras/stab2260Cosmology places the strongest current limits on the sum of neutrino masses. Future observations will further improve the sensitivity and this will require accurate cosmological simulations to quantify possible systematic uncertainties and to make pr... Read More about An optimal non-linear method for simulating relic neutrinos.
Indra: a public computationally accessible suite of cosmological N-body simulations (2021)
Journal Article
Falck, B., Wang, J., Jenkins, A., Lemson, G., Medvedev, D., Neyrinck, M. C., & Szalay, A. S. (2021). Indra: a public computationally accessible suite of cosmological N-body simulations. Monthly Notices of the Royal Astronomical Society, 506(2), 2659-2670. https://doi.org/10.1093/mnras/stab1823Indra is a suite of large-volume cosmological N-body simulations with the goal of providing excellent statistics of the large-scale features of the distribution of dark matter. Each of the 384 simulations is computed with the same cosmological parame... Read More about Indra: a public computationally accessible suite of cosmological N-body simulations.
The origin of X-ray coronae around simulated disc galaxies (2021)
Journal Article
Kelly, A. J., Jenkins, A., & Frenk, C. S. (2021). The origin of X-ray coronae around simulated disc galaxies. Monthly Notices of the Royal Astronomical Society, 502(2), 2934-2951. https://doi.org/10.1093/mnras/stab255The existence of hot, accreted gaseous coronae around massive galaxies is a long-standing central prediction of galaxy formation models in the ΛCDM cosmology. While observations now confirm that extraplanar hot gas is present around late-type galaxie... Read More about The origin of X-ray coronae around simulated disc galaxies.
Setting the stage: structures from Gaussian random fields (2021)
Journal Article
Sawala, T., Jenkins, A., McAlpine, S., Jasche, J., Lavaux, G., Johansson, P. H., & Frenk, C. S. (2021). Setting the stage: structures from Gaussian random fields. Monthly Notices of the Royal Astronomical Society, 501(4), 4759-4776. https://doi.org/10.1093/mnras/staa3568We study structure formation in a set of cosmological simulations to uncover the scales in the initial density field that gave rise to the formation of present-day structures. Our simulations share a common primordial power spectrum (here Λ cold dark... Read More about Setting the stage: structures from Gaussian random fields.
A high-resolution cosmological simulation of a strong gravitational lens (2021)
Journal Article
Richings, J., Frenk, C., Jenkins, A., Robertson, A., & Schaller, M. (2021). A high-resolution cosmological simulation of a strong gravitational lens. Monthly Notices of the Royal Astronomical Society, 501(3), 4657-4668. https://doi.org/10.1093/mnras/staa4013We present a cosmological hydrodynamical simulation of a 1013 M⊙ galaxy group and its environment (out to 10 times the virial radius) carried out using the EAGLE model of galaxy formation. Exploiting a novel technique to increase the resolution of th... Read More about A high-resolution cosmological simulation of a strong gravitational lens.
Universal structure of dark matter haloes over a mass range of 20 orders of magnitude (2020)
Journal Article
Wang, J., Bose, S., Frenk, C., Gao, L., Jenkins, A., Springel, V., & White, S. (2020). Universal structure of dark matter haloes over a mass range of 20 orders of magnitude. Nature, 585(7823), 39-42. https://doi.org/10.1038/s41586-020-2642-9Cosmological models in which dark matter consists of cold elementary particles predict that the dark halo population should extend to masses many orders of magnitude below those at which galaxies can form1,2,3. Here we report a cosmological simulatio... Read More about Universal structure of dark matter haloes over a mass range of 20 orders of magnitude.
Subhalo destruction in the Apostle and Auriga simulations (2019)
Journal Article
Richings, J., Frenk, C., Jenkins, A., Robertson, A., Fattahi, A., Grand, R. J., …Oman, K. (2020). Subhalo destruction in the Apostle and Auriga simulations. Monthly Notices of the Royal Astronomical Society, 492(4), 5780-5793. https://doi.org/10.1093/mnras/stz3448N-body simulations make unambiguous predictions for the abundance of substructures within dark matter halos. However, the inclusion of baryons in the simulations changes the picture because processes associated with the presence of a large galaxy in... Read More about Subhalo destruction in the Apostle and Auriga simulations.
No cores in dark matter-dominated dwarf galaxies with bursty star formation histories (2019)
Journal Article
Bose, S., Frenk, C. S., Jenkins, A., Fattahi, A., Gómez, F. A., Grand, R. J., …Springel, V. (2019). No cores in dark matter-dominated dwarf galaxies with bursty star formation histories. Monthly Notices of the Royal Astronomical Society, 486(4), 4790-4804. https://doi.org/10.1093/mnras/stz1168Measurements of the rotation curves of dwarf galaxies are often interpreted as requiring a constant density core at the centre, at odds with the “cuspy” inner profiles predicted by N-body simulations of cold dark matter (CDM) haloes. It has been sugg... Read More about No cores in dark matter-dominated dwarf galaxies with bursty star formation histories.
The total satellite population of the Milky Way (2018)
Journal Article
Newton, O., Cautun, M., Jenkins, A., Frenk, C. S., & Helly, J. C. (2018). The total satellite population of the Milky Way. Monthly Notices of the Royal Astronomical Society, 479(3), 2853-2870. https://doi.org/10.1093/mnras/sty1085The total number and luminosity function of the population of dwarf galaxies of the Milky Way (MW) provide important constraints on the nature of the dark matter and on the astrophysics of galaxy formation at low masses. However, only a partial censu... Read More about The total satellite population of the Milky Way.