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One Galaxy Sample to Rule Them All: Halo Occupation Distribution Modeling of DES Year 3 Source Galaxies
Andrés N. Salcedo, Tim Eifler, Peter Behroozi
For the joint analysis of second-order weak lensing and galaxy clustering statistics, so-called analyses, the selection and characterization of optimal galaxy samples…
Characterising ultra-high-redshift dark matter halo demographics and assembly histories with the GUREFT simulations
L. Y. Aaron Yung, Rachel S. Somerville, Tri Nguyen +3
Dark matter halo demographics and assembly histories are a manifestation of cosmological structure formation and have profound implications for the formation and evolution of galax…
Haunted haloes: tracking the ghosts of subhaloes lost by halo finders
Benedikt Diemer, Peter Behroozi, Philip Mansfield
Dark matter subhaloes are key for the predictions of simulations of structure formation, but their existence frequently ends prematurely due to two technical issues, namely numeric…
Clustering and Halo Abundances in Early Dark Energy Cosmological Models
Anatoly Klypin, Vivian Poulin, Francisco Prada +7
LCDM cosmological models with Early Dark Energy (EDE) have been proposed to resolve tensions between the Hubble constant H0 = 100h km/s/Mpc measured locally, giving h ~ 0.73, and H…
Physical Correlations of the Scatter between Galaxy Mass, Stellar Content, and Halo Mass
Christopher Bradshaw, Alexie Leauthaud, Andrew Hearin +2
We use the UniverseMachine to analyze the source of scatter between the central galaxy mass, the total stellar mass in the halo, and the dark matter halo mass. We also propose a ne…
Illuminating the dark universe with a very high density galaxy redshift survey over a wide area
Yun Wang, Rachel Bean, Peter Behroozi +27
The nature of dark energy remains a profound mystery 20 years after the discovery of cosmic acceleration. A very high number density galaxy redshift survey over a wide area (HD GRS…