All Outputs (58)

Euclid: I. Overview of the Euclid mission (2025)
Journal Article
Avgoustidis, A., Hatch, N., Pearce, F., & Kuchner, U. (2025). Euclid: I. Overview of the Euclid mission. Astronomy and Astrophysics, 697, Article A1. https://doi.org/10.1051/0004-6361/202450810

The current standard model of cosmology successfully describes a variety of measurements, but the nature of its main ingredients, dark matter and dark energy, remains unknown. Euclid is a medium-class mission in the Cosmic Vision 2015–2025 programme... Read More about Euclid: I. Overview of the Euclid mission.

Intracluster light is a biased tracer of the dark matter distribution in clusters (2025)
Journal Article
Butler, J., Martin, G., Hatch, N., Pearce, F., Brough, S., & Dubois, Y. (2025). Intracluster light is a biased tracer of the dark matter distribution in clusters. Monthly Notices of the Royal Astronomical Society, 539(3), 2279-2291. https://doi.org/10.1093/mnras/staf615

The diffuse stellar component of galaxy clusters known as intracluster light (ICL) has been proposed as an observable tracer of the cluster’s dark matter (DM) halo. Assessing its reliability as a DM tracer requires understanding how the intracluster... Read More about Intracluster light is a biased tracer of the dark matter distribution in clusters.

THE THREE HUNDRED project: Estimating the dependence of gas filaments on the mass of galaxy clusters (2024)
Journal Article
Santoni, S., De Petris, M., Yepes, G., Ferragamo, A., Bianconi, M., Gray, M. E., Kuchner, U., Pearce, F. R., Cui, W., & Ettori, S. (2024). THE THREE HUNDRED project: Estimating the dependence of gas filaments on the mass of galaxy clusters. Astronomy and Astrophysics, 692, Article A44. https://doi.org/10.1051/0004-6361/202450895

Context. Galaxy clusters are located in the densest areas of the universe and are intricately connected to larger structures through the filamentary network of the cosmic web. In this scenario, matter flows from areas of lower density to higher densi... Read More about THE THREE HUNDRED project: Estimating the dependence of gas filaments on the mass of galaxy clusters.

Stellar stripping efficiencies of satellites in numerical simulations: the effect of resolution, satellite properties, and numerical disruption (2024)
Journal Article
Martin, G., Pearce, F. R., Hatch, N. A., Contreras-Santos, A., Knebe, A., & Cui, W. (2024). Stellar stripping efficiencies of satellites in numerical simulations: the effect of resolution, satellite properties, and numerical disruption. Monthly Notices of the Royal Astronomical Society, 535(3), 2375–2393. https://doi.org/10.1093/mnras/stae2488

The stellar stripping of satellites in cluster haloes is understood to play an important role in the production of intracluster light. Increasingly, cosmological simulations have been utilized to investigate its origin and assembly. However, such sim... Read More about Stellar stripping efficiencies of satellites in numerical simulations: the effect of resolution, satellite properties, and numerical disruption.

The Three Hundred: The existence of massive dark matter-deficient satellite galaxies in cosmological simulations (2024)
Journal Article
Contreras-Santos, A., Buitrago, F., Knebe, A., Rasia, E., Pearce, F. R., Cui, W., Power, C., & Winstanley, J. (2024). The Three Hundred: The existence of massive dark matter-deficient satellite galaxies in cosmological simulations. Astronomy and Astrophysics, 690, Article A109. https://doi.org/10.1051/0004-6361/202451271

The observation of a massive galaxy with an extremely low dark matter content (i.e. NGC 1277) has posed questions about how such objects form and evolve in a hierarchical universe. We here report on the finding of several massive, dark matter-deficie... Read More about The Three Hundred: The existence of massive dark matter-deficient satellite galaxies in cosmological simulations.

Assembly of the intracluster light in the Horizon-AGN simulation (2024)
Journal Article
Brown, H. J., Martin, G., Pearce, F. R., Hatch, N. A., Bahé, Y. M., & Dubois, Y. (2024). Assembly of the intracluster light in the Horizon-AGN simulation. Monthly Notices of the Royal Astronomical Society, 534(1), 431-443. https://doi.org/10.1093/mnras/stae2084

The diffuse stellar component of galaxy clusters made up of intergalactic stars is termed the intracluster light (ICL). Although there is a developing understanding of the mechanisms by which the ICL is formed, no strong consensus has yet been reache... Read More about Assembly of the intracluster light in the Horizon-AGN simulation.

Reconsidering the dynamical states of galaxy clusters using PCA and UMAP (2024)
Journal Article
Haggar, R., De Luca, F., De Petris, M., Sazonova, E., Taylor, J. E., Knebe, A., Gray, M. E., Pearce, F. R., Contreras-Santos, A., Cui, W., Kuchner, U., Paun, R. A. M., & Power, C. (2024). Reconsidering the dynamical states of galaxy clusters using PCA and UMAP. Monthly Notices of the Royal Astronomical Society, 532(1), 1031–1048. https://doi.org/10.1093/mnras/stae1566

Numerous metrics exist to quantify the dynamical state of galaxy clusters, both observationally and within simulations. Many of these correlate strongly with one another, but it is not clear whether all of these measures probe the same intrinsic prop... Read More about Reconsidering the dynamical states of galaxy clusters using PCA and UMAP.

Correcting for the overabundance of low-mass quiescent galaxies in semi-analytic models (2024)
Journal Article
Harrold, J. E., Almaini, O., Pearce, F. R., & Yates, R. M. (2024). Correcting for the overabundance of low-mass quiescent galaxies in semi-analytic models. Monthly Notices of the Royal Astronomical Society: Letters, 532(1), L61-L66. https://doi.org/10.1093/mnrasl/slae043

We compare the L-Galaxies semi-analytic model to deep observational data from the UKIDSS Ultra Deep Survey (UDS) across the redshift range 0.5 < z < 3. We find that the overabundance of low-mass, passive galaxies at high redshifts in the model can be... Read More about Correcting for the overabundance of low-mass quiescent galaxies in semi-analytic models.

The localization of galaxy groups in close proximity to galaxy clusters using cosmic web nodes (2023)
Journal Article
Cornwell, D. J., Kuchner, U., Gray, M. E., Aragón-Salamanca, A., Pearce, F. R., Cui, W., & Knebe, A. (2024). The localization of galaxy groups in close proximity to galaxy clusters using cosmic web nodes. Monthly Notices of the Royal Astronomical Society, 527(1), 23-34. https://doi.org/10.1093/mnras/stad3205

We investigate the efficacy of using the cosmic web nodes identified by the DisPerSE topological filament finder to systematically identify galaxy groups in the infall regions around massive clusters. The large random motions and infall velocities of... Read More about The localization of galaxy groups in close proximity to galaxy clusters using cosmic web nodes.

The three hundred project: thermodynamical properties, shocks, and gas dynamics in simulated galaxy cluster filaments and their surroundings (2023)
Journal Article
Rost, A. M., Nuza, S. E., Stasyszyn, F., Kuchner, U., Hoeft, M., Welker, C., Pearce, F., Gray, M., Knebe, A., Cui, W., & Yepes, G. (2024). The three hundred project: thermodynamical properties, shocks, and gas dynamics in simulated galaxy cluster filaments and their surroundings. Monthly Notices of the Royal Astronomical Society, 527(1), 1301-1316. https://doi.org/10.1093/mnras/stad3208

Using cosmological simulations of galaxy cluster regions from THE THREE HUNDRED project, we study the nature of gas in filaments feeding massive clusters. By stacking the diffuse material of filaments throughout the cluster sample, we measure average... Read More about The three hundred project: thermodynamical properties, shocks, and gas dynamics in simulated galaxy cluster filaments and their surroundings.

The probability of identifying the cosmic web environment of galaxies around clusters motivated by the Weave Wide Field Cluster Survey (2023)
Journal Article
Cornwell, D. J., Aragón-Salamanca, A., Kuchner, U., Gray, M. E., Pearce, F. R., & Knebe, A. (2023). The probability of identifying the cosmic web environment of galaxies around clusters motivated by the Weave Wide Field Cluster Survey. Monthly Notices of the Royal Astronomical Society, 524(2), 2148–2160. https://doi.org/10.1093/mnras/stad1949

Upcoming wide-field spectroscopic surveys will observe galaxies in a range of cosmic web environments in and around galaxy clusters. In this paper, we test and quantify how successfully we will be able to identify the environment of individual galaxi... Read More about The probability of identifying the cosmic web environment of galaxies around clusters motivated by the Weave Wide Field Cluster Survey.

Galaxy pairs in THE THREE HUNDRED simulations II: studying bound ones and identifying them via machine learning (2023)
Journal Article
Contreras-Santos, A., Knebe, A., Cui, W., Haggar, R., Pearce, F., Gray, M., De Petris, M., & Yepes, G. (2023). Galaxy pairs in THE THREE HUNDRED simulations II: studying bound ones and identifying them via machine learning. Monthly Notices of the Royal Astronomical Society, 522(1), 1270-1287. https://doi.org/10.1093/mnras/stad1061

Using the data set of The Three Hundred project, i.e. 324 hydrodynamical resimulations of cluster-sized haloes and the regions of radius 15 around them, we study galaxy pairs in high-density environments. By projecting the galaxies' 3D coordinates on... Read More about Galaxy pairs in THE THREE HUNDRED simulations II: studying bound ones and identifying them via machine learning.

Characterising the intra-cluster light in The Three Hundred simulations (2023)
Journal Article
Contreras-Santos, A., Knebe, A., Cui, W., Asensio, I. A., Vecchia, C. D., Cañas, R., Haggar, R., Paun, R. A., Pearce, F. R., & Rasia, E. (2024). Characterising the intra-cluster light in The Three Hundred simulations. Astronomy and Astrophysics, 683, Article A59. https://doi.org/10.1051/0004-6361/202348474

We characterise the intra-cluster light (ICL) in ensembles of full-physics cluster simulations from The Three Hundred project, a suite of 324 hydrodynamical resimulations of cluster-sized halos. We identify the ICL as those stellar particles bound to... Read More about Characterising the intra-cluster light in The Three Hundred simulations.

The Three Hundred Project: Connection between star formation quenching and dynamical evolution in and around simulated galaxy clusters (2022)
Journal Article
Hough, T., Cora, S. A., Haggar, R., Vega-Martinez, C., Kuchner, U., Pearce, F., Gray, M., Knebe, A., & Yepes, G. (2023). The Three Hundred Project: Connection between star formation quenching and dynamical evolution in and around simulated galaxy clusters. Monthly Notices of the Royal Astronomical Society, 518(2), 2398-2417. https://doi.org/10.1093/mnras/stac3209

In this work, we combine the semi-analytic model of galaxy formation and evolution SAG with the 102 relaxed simulated galaxy clusters from THE THREE HUNDRED project, and we study the link between the quenching of star formation (SF) and the physical... Read More about The Three Hundred Project: Connection between star formation quenching and dynamical evolution in and around simulated galaxy clusters.

The Three Hundred project: Galaxy groups do not survive cluster infall (2022)
Journal Article
Haggar, R., Kuchner, U., Gray, M. E., Pearce, F. R., Knebe, A., Yepes, G., & Cui, W. (2023). The Three Hundred project: Galaxy groups do not survive cluster infall. Monthly Notices of the Royal Astronomical Society, 518(1), 1316-1334. https://doi.org/10.1093/mnras/stac2809

Galaxy clusters grow by accreting galaxies as individual objects, or as members of a galaxy group. These groups can strongly impact galaxy evolution, stripping the gas from galaxies, and enhancing the rate of galaxy mergers. However, it is not clear... Read More about The Three Hundred project: Galaxy groups do not survive cluster infall.

Forecasting the success of the WEAVE Wide-Field Cluster Survey on the extraction of the cosmic web filaments around galaxy clusters (2022)
Journal Article
Cornwell, D. J., Kuchner, U., Aragón-Salamanca, A., Gray, M. E., Pearce, F. R., Aguerri, J. A. L., Cui, W., Méndez-Abreu, J., de Arriba, L. P., & Trager, S. C. (2022). Forecasting the success of the WEAVE Wide-Field Cluster Survey on the extraction of the cosmic web filaments around galaxy clusters. Monthly Notices of the Royal Astronomical Society, 517(2), 1678–1694. https://doi.org/10.1093/mnras/stac2777

Next-generation wide-field spectroscopic surveys will observe the infall regions around large numbers of galaxy clusters with high sampling rates for the first time. Here we assess the feasibility of extracting the large-scale cosmic web around clust... Read More about Forecasting the success of the WEAVE Wide-Field Cluster Survey on the extraction of the cosmic web filaments around galaxy clusters.

Galaxy pairs in THE THREE HUNDRED simulations: a study on the performance of observational pair-finding techniques (2022)
Journal Article
Contreras-Santos, A., Knebe, A., Cui, W., Haggar, R., Pearce, F., Gray, M., De Petris, M., & Yepes, G. (2022). Galaxy pairs in THE THREE HUNDRED simulations: a study on the performance of observational pair-finding techniques. Monthly Notices of the Royal Astronomical Society, 515(4), 5375-5388. https://doi.org/10.1093/mnras/stac2127

Close pairs of galaxies have been broadly studied in the literature as a way to understand galaxy interactions and mergers. In observations, they are usually defined by setting a maximum separation in the sky and in velocity along the line of sight,... Read More about Galaxy pairs in THE THREE HUNDRED simulations: a study on the performance of observational pair-finding techniques.

A stochastic model to reproduce the star formation history of individual galaxies in hydrodynamic simulations (2022)
Journal Article
Wang, Y., Napolitano, N. R., Cui, W., Li, X. D., Knebe, A., Power, C., Pearce, F., Tang, L., Yepes, G., & Kang, X. (2022). A stochastic model to reproduce the star formation history of individual galaxies in hydrodynamic simulations. Monthly Notices of the Royal Astronomical Society, 515(3), 3249-3269. https://doi.org/10.1093/mnras/stac1956

The star formation history (SFH) of galaxies is critical for understanding galaxy evolution. Hydrodynamical simulations enable us to precisely reconstruct the SFH of galaxies and establish a link to the underlying physical processes. In this work, we... Read More about A stochastic model to reproduce the star formation history of individual galaxies in hydrodynamic simulations.

The Three Hundred project: The gizmo-simba run (2022)
Journal Article
Cui, W., Dave, R., Knebe, A., Rasia, E., Gray, M., Pearce, F., Power, C., Yepes, G., Anbajagane, D., Ceverino, D., Contreras-Santos, A., de Andres, D., De Petris, M., Ettori, S., Haggar, R., Li, Q., Wang, Y., Yang, X., Borgani, S., Dolag, K., …Gianfagna, G. (2022). The Three Hundred project: The gizmo-simba run. Monthly Notices of the Royal Astronomical Society, 514(1), 977-996. https://doi.org/10.1093/mnras/stac1402

We introduce gizmo-simba, a new suite of galaxy cluster simulations within The Three Hundred project. The Three Hundred consists of zoom re-simulations of 324 clusters with M 200≳ 1014.8, M ⊙ drawn from the MultiDark-Planck N-body simulation, run usi... Read More about The Three Hundred project: The gizmo-simba run.

The three hundred project: Galaxy cluster mergers and their impact on the stellar component of brightest cluster galaxies (2022)
Journal Article
Contreras-Santos, A., Knebe, A., Pearce, F., Haggar, R., Gray, M., Cui, W., Yepes, G., De Petris, M., De Luca, F., Power, C., Mostoghiu, R., Nuza, S. E., & Hoeft, M. (2022). The three hundred project: Galaxy cluster mergers and their impact on the stellar component of brightest cluster galaxies. Monthly Notices of the Royal Astronomical Society, 511(2), 2897-2913. https://doi.org/10.1093/mnras/stac275

Using the data set of the three hundred project, i.e. a suite of 324 hydrodynamical resimulations of cluster-sized haloes, we study galaxy cluster mergers and their effect on colour and luminosity changes of their brightest cluster galaxies (BCG). We... Read More about The three hundred project: Galaxy cluster mergers and their impact on the stellar component of brightest cluster galaxies.