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Sphenix: Smoothed Particle Hydrodynamics for the next generation of galaxy formation simulations
Josh Borrow, Matthieu Schaller, Richard G. Bower +1
Smoothed Particle Hydrodynamics (SPH) is a ubiquitous numerical method for solving the fluid equations, and is prized for its conservation properties, natural adaptivity, and simpl…
Stellar splashback: the edge of the intracluster light
Alis J. Deason, Kyle A. Oman, Azadeh Fattahi +8
We examine the outskirts of galaxy clusters in the C-EAGLE simulations to quantify the `edges' of the stellar and dark matter distribution. The radius of the steepest slope in the…
Inconsistencies arising from the coupling of galaxy formation sub-grid models to Pressure-Smoothed Particle Hydrodynamics
Josh Borrow, Matthieu Schaller, Richard G. Bower
Smoothed Particle Hydrodynamics (SPH) is a Lagrangian method for solving the fluid equations that is commonplace in astrophysics, prized for its natural adaptivity and stability. T…
A high-resolution cosmological simulation of a strong gravitational lens
Jack Richings, Carlos Frenk, Adrian Jenkins +2
We present a cosmological hydrodynamical simulation of a 10^13 Msun galaxy group and its environment (out to 10 times the virial radius) carried out using the EAGLE model of galaxy…
A Hybrid MPI+Threads Approach to Particle Group Finding Using Union-Find
James S. Willis, Matthieu Schaller, Pedro Gonnet +1
The Friends-of-Friends (FoF) algorithm is a standard technique used in cosmological -body simulations to identify structures. Its goal is to find clusters of particles (called g…
The BUFFALO HST Survey
Charles L. Steinhardt, Mathilde Jauzac, Ana Acebron +91
The Beyond Ultra-deep Frontier Fields and Legacy Observations (BUFFALO) is a 101 orbit + 101 parallel Cycle 25 Hubble Space Telescope Treasury program taking data from 2018-2020. B…