Large-scale dark matter simulations

RE Angulo, O Hahn - Living Reviews in Computational Astrophysics, 2022 - Springer
We review the field of collisionless numerical simulations for the large-scale structure of the
Universe. We start by providing the main set of equations solved by these simulations and …

UniverseMachine: The correlation between galaxy growth and dark matter halo assembly from z = 0−10

P Behroozi, RH Wechsler, AP Hearin… - Monthly Notices of the …, 2019 - academic.oup.com
We present a method to flexibly and self-consistently determine individual galaxies' star
formation rates (SFRs) from their host haloes' potential well depths, assembly histories, and …

The astropy project: Building an open-science project and status of the v2. 0 core package

AM Price-Whelan, BM Sipőcz, HM Günther… - The Astronomical …, 2018 - iopscience.iop.org
Abstract The Astropy Project supports and fosters the development of open-source and
openly developed Python packages that provide commonly needed functionality to the …

COLOSSUS: A python toolkit for cosmology, large-scale structure, and dark matter halos

B Diemer - The Astrophysical Journal Supplement Series, 2018 - iopscience.iop.org
This paper introduces C olossus, a public, open-source python package for calculations
related to cosmology, the large-scale structure (LSS) of matter in the universe, and the …

corrfunc – a suite of blazing fast correlation functions on the CPU

M Sinha, LH Garrison - Monthly Notices of the Royal …, 2020 - academic.oup.com
The two-point correlation function (2PCF) is the most widely used tool for quantifying the
spatial distribution of galaxies. Since the distribution of galaxies is determined by galaxy …

nbodykit: An open-source, massively parallel toolkit for large-scale structure

N Hand, Y Feng, F Beutler, Y Li, C Modi… - The Astronomical …, 2018 - iopscience.iop.org
We present nbodykit, an open-source, massively parallel Python toolkit for analyzing large-
scale structure (LSS) data. Using Python bindings of the Message Passing Interface, we …

AbacusHOD: a highly efficient extended multitracer HOD framework and its application to BOSS and eBOSS data

S Yuan, LH Garrison, B Hadzhiyska… - Monthly Notices of …, 2022 - academic.oup.com
We introduce the AbacusHOD model and present two applications of AbacusHOD and the
AbacusSummit simulations to observations. AbacusHOD is a Halo Occupation Distribution …

nautilus: boosting Bayesian importance nested sampling with deep learning

JU Lange - Monthly Notices of the Royal Astronomical Society, 2023 - academic.oup.com
We introduce a novel approach to boost the efficiency of the importance nested sampling
(INS) technique for Bayesian posterior and evidence estimation using deep learning. Unlike …

The clustering of DESI-like luminous red galaxies using photometric redshifts

R Zhou, JA Newman, YY Mao, A Meisner… - Monthly Notices of …, 2021 - academic.oup.com
We present measurements of the redshift-dependent clustering of a DESI-like luminous red
galaxy (LRG) sample selected from the Legacy Survey imaging data set, and use the halo …

First results from the JWST Early Release Science Program Q3D: Turbulent times in the life of az∼ 3 extremely red quasar revealed by NIRSpec IFU

D Wylezalek, A Vayner, DSN Rupke… - The Astrophysical …, 2022 - iopscience.iop.org
Extremely red quasars, with bolometric luminosities exceeding 10 47 erg s− 1, are a
fascinating high-redshift population that is absent in the local universe. They are the best …