All Outputs (34)

The effect of cosmic web filaments on galaxy evolution (2024)
Journal Article
O'Kane, C. J., Kuchner, U., Gray, M. E., & Aragón-Salamanca, A. (2024). The effect of cosmic web filaments on galaxy evolution. Monthly Notices of the Royal Astronomical Society, 534(3), 1682-1699. https://doi.org/10.1093/mnras/stae2142

Galaxy properties are known to be affected by their environment. This is well established for the extremes of the density scales, between the high-density cluster environment and the low-density field. It is however not fully understood how the inter... Read More about The effect of cosmic web filaments on galaxy evolution.

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., …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.

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., …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 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 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., …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.

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., …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., …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., …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.

The Three Hundred project: The gizmo-simba run (2022)
Journal Article
Cui, W., Dave, R., Knebe, A., Rasia, E., Gray, M., Pearce, F., …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.

Cosmic filaments delay quenching inside clusters (2022)
Journal Article
Kotecha, S., Welker, C., Zhou, Z., Wadsley, J., Kraljic, K., Sorce, J., …Cui, W. (2022). Cosmic filaments delay quenching inside clusters. Monthly Notices of the Royal Astronomical Society, 512(1), 926-944. https://doi.org/10.1093/mnras/stac300

We investigate how large-scale cosmic filaments impact the quenching of galaxies within one virial radius of 324 simulated clusters from The Three Hundred project. We track cosmic filaments with the versatile, observation-friendly program DisPerSE an... Read More about Cosmic filaments delay quenching inside clusters.

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., …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.

An inventory of galaxies in cosmic filaments feeding galaxy clusters: galaxy groups, backsplash galaxies, and pristine galaxies (2021)
Journal Article
Kuchner, U., Haggar, R., Aragón-Salamanca, A., Pearce, F. R., Gray, M. E., Rost, A., …Yepes, G. (2022). An inventory of galaxies in cosmic filaments feeding galaxy clusters: galaxy groups, backsplash galaxies, and pristine galaxies. Monthly Notices of the Royal Astronomical Society, 510(1), 581-592. https://doi.org/10.1093/mnras/stab3419

Galaxy clusters grow by accreting galaxies from the field and along filaments of the cosmic web. As galaxies are accreted they are affected by their local environment before they enter (pre-processing), and traverse the cluster potential. Observation... Read More about An inventory of galaxies in cosmic filaments feeding galaxy clusters: galaxy groups, backsplash galaxies, and pristine galaxies.

Cosmic filaments in galaxy cluster outskirts: quantifying finding filaments in redshift space (2021)
Journal Article
Kuchner, U., Aragón-Salamanca, A., Rost, A., Pearce, F. R., Gray, M. E., Cui, W., …Yepes, G. (2021). Cosmic filaments in galaxy cluster outskirts: quantifying finding filaments in redshift space. Monthly Notices of the Royal Astronomical Society, 503(2), 2065-2076. https://doi.org/10.1093/mnras/stab567

Inferring line-of-sight distances from redshifts in and around galaxy clusters is complicated by peculiar velocities, a phenomenon known as the "Fingers of God" (FoG). This presents a significant challenge for finding filaments in large observational... Read More about Cosmic filaments in galaxy cluster outskirts: quantifying finding filaments in redshift space.

The Three Hundred Project: Substructure in hydrodynamical and dark matter simulations of galaxy groups around clusters (2021)
Journal Article
Haggar, R., Pearce, F. R., Gray, M. E., Knebe, A., & Yepes, G. (2021). The Three Hundred Project: Substructure in hydrodynamical and dark matter simulations of galaxy groups around clusters. Monthly Notices of the Royal Astronomical Society, 502(1), 1191-1204. https://doi.org/10.1093/mnras/stab064

Dark matter-only simulations are able to produce the cosmic structure of a Lambda cold dark matter universe, at a much lower computational cost than more physically motivated hydrodynamical simulations. However, it is not clear how well smaller subst... Read More about The Three Hundred Project: Substructure in hydrodynamical and dark matter simulations of galaxy groups around clusters.

The Three Hundred project: The gas disruption of infalling objects in cluster environments (2021)
Journal Article
Mostoghiu, R., Arthur, J., Pearce, F. R., Gray, M., Knebe, A., Cui, W., …Yepes, G. (2021). The Three Hundred project: The gas disruption of infalling objects in cluster environments. Monthly Notices of the Royal Astronomical Society, 501(4), 5029-5041. https://doi.org/10.1093/mnras/stab014

We analyse the gas content evolution of infalling haloes in cluster environments from The Three Hundred project, a collection of 324 numerically modelled galaxy clusters. The haloes in our sample were selected within 5R200 of the main cluster halo at... Read More about The Three Hundred project: The gas disruption of infalling objects in cluster environments.

The threehundred: the structure and properties of cosmic filaments in the outskirts of galaxy clusters (2020)
Journal Article
Rost, A., Kuchner, U., Welker, C., Pearce, F., Stasyszyn, F., Gray, M., …Rasia, E. (2021). The threehundred: the structure and properties of cosmic filaments in the outskirts of galaxy clusters. Monthly Notices of the Royal Astronomical Society, 502(1), 714-727. https://doi.org/10.1093/mnras/staa3792

Galaxy cluster outskirts are described by complex velocity fields induced by diffuse material collapsing towards filaments, gas, and galaxies falling into clusters, and gas shock processes triggered by substructures. A simple scenario that describes... Read More about The threehundred: the structure and properties of cosmic filaments in the outskirts of galaxy clusters.

Mapping and characterization of cosmic filaments in galaxy cluster outskirts: strategies and forecasts for observations from simulations (2020)
Journal Article
Kuchner, U., Aragón-Salamanca, A., Pearce, F. R., Gray, M. E., Rost, A., Mu, C., …Yepes, G. (2020). Mapping and characterization of cosmic filaments in galaxy cluster outskirts: strategies and forecasts for observations from simulations. Monthly Notices of the Royal Astronomical Society, 494(4), 5473-5491. https://doi.org/10.1093/mnras/staa1083

Upcoming wide-field surveys are well-suited to studying the growth of galaxy clusters by tracing galaxy and gas accretion along cosmic filaments. We use hydrodynamic simulations of volumes surrounding 324 clusters from The ThreeHundred project to dev... Read More about Mapping and characterization of cosmic filaments in galaxy cluster outskirts: strategies and forecasts for observations from simulations.

The Three Hundred Project: Backsplash galaxies in simulations of clusters (2020)
Journal Article
Haggar, R., Gray, M. E., Pearce, F. R., Knebe, A., Cui, W., Mostoghiu, R., & Yepes, G. (2020). The Three Hundred Project: Backsplash galaxies in simulations of clusters. Monthly Notices of the Royal Astronomical Society, 492(4), 6074–6085. https://doi.org/10.1093/mnras/staa273

In the outer regions of a galaxy cluster, galaxies may be either falling into the cluster for the first time, or have already passed through the cluster centre at some point in their past. To investigate these two distinct populations, we utilise The... Read More about The Three Hundred Project: Backsplash galaxies in simulations of clusters.