29 citations · 56 across the 13 of their papers we have counts for
13 papers
Identifying backsplash galaxies using machine learning
Roan Haggar, Elizaveta Sazonova, Cameron R. Morgan +5
The galaxy population in the outskirts of a cluster contains members that have been pre-processed in groups and filaments, as well as backsplash galaxies -- those that have recentl…
Probing the baryonic--dark matter connection in galaxy clusters using X-rays with gated recurrent unit neural networks
Asif Iqbal, Subhabrata Majumdar, Weiguang Cui +3
Accurate cluster mass measurements are crucial for cosmology, yet conventional hydrostatic equilibrium (HSE) methods can suffer from systematic biases, particularly in dynamically…
Deriving accurate galaxy cluster masses using X-ray thermodynamic profiles and graph neural networks
Asif Iqbal, Subhabrata Majumdar, Elena Rasia +4
Precise determination of galaxy cluster masses is crucial for establishing reliable mass-observable scaling relations in cluster cosmology. We employ graph neural networks (GNNs) t…
The life and times of dark matter haloes: what will I be when I grow up?
Julian Onions, Frazer Pearce, Alexander Knebe +6
Are the most massive objects in the Universe today the direct descendants of the most massive objects at higher redshift? We address this question by tracing the evolutionary histo…
The Three Hundred Project: deducing the stellar splashback structure of galaxy clusters from their orbiting profiles
Kris Walker, Aaron Ludlow, Chris Power +2
We examine the splashback structure of galaxy clusters using hydrodynamical simulations from the GIZMO run of The Three Hundred Project, focusing on the relationship between the st…
PyMGal: A Python Package for Generating Optical Mock Observations from Hydrodynamical Simulations
Patrick Janulewicz, Weiguang Cui
We introduce PyMGal, a Python package for generating optical mock observations of galaxies from hydrodynamical simulations. PyMGal reads the properties of stellar particles from th…
Constraining neutrino mass with the CSST galaxy clusters
Mingjing Chen, Yufei Zhang, Wenjuan Fang +2
With the advent of next-generation surveys, constraints on cosmological parameters are anticipated to become more stringent, particularly for the total neutrino mass. This study fo…
Stellar stripping efficiencies of satellites in numerical simulations: the effect of resolution, satellite properties and numerical disruption
G. Martin, F. R. Pearce, N. A. Hatch +3
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 b…
The Three Hundred: The existence of massive dark matter-deficient satellite galaxies in cosmological simulations
Ana Contreras-Santos, Fernando Buitrago, Alexander Knebe +5
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.…
Reconsidering the dynamical states of galaxy clusters using PCA and UMAP
Roan Haggar, Federico De Luca, Marco De Petris +10
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…
How much do we know the halo mass function? Predictions beyond resolution
Weiguang Cui
As a common gravitation virialized object in the standard CDM cosmology, dark matter halo connects from the large-scale structure all the way down to galaxy and star formation.…
Intrinsic mass-richness relation of clusters from THE THREE HUNDRED hydrodynamic simulations
Mingjing Chen, Weiguang Cui, Wenjuan Fang +1
The main systematics in cluster cosmology is the uncertainty in the mass-observable relation. In this paper, we focus on the most direct cluster observable in optical surveys, i.e.…
Characterising the intra-cluster light in The Three Hundred simulations
Ana Contreras-Santos, Alexander Knebe, Weiguang Cui +7
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 cluste…