Accès ouvert
2026
article
OpenAlex
A. Campos, B. Yin, Scott Dodelson, A. Amon et autres
Characterization of the redshift distribution of ensembles of galaxies is pivotal for large scale structure cosmological studies. In this work, we focus on improving the Self-Organizing Map (SOM) methodology for photometric redshift estimation (SOMPZ), specifically in anticipation of the Dark Energy Survey …
us, nl, es, br, jp, gb, fr, ca, de, ar, se, it, cl, au
(code pays fourni par la source)
Accès ouvert
2024
article
OpenAlex
T. M. C. Abbott, M. Adamów, M. Aguena, S. Allam et autres
We present the angular diameter distance measurement obtained with the baryonic acoustic oscillation (BAO) feature from galaxy clustering in the completed Dark Energy Survey, consisting of six years (Y6) of observations. We use the Y6 BAO galaxy sample, optimized for BAO science …
us, br, gb, es, fr, mx, it, cn, de, au, in, ca, no, ch, se
(code pays fourni par la source)
Accès ouvert
2024
article
OpenAlex
M. Gatti, N Jeffrey, L Whiteway, J. Williamson et autres
Beyond-two-point statistics contain additional information on cosmological as well as astrophysical and observational (systematics) parameters. In this methodology paper we provide an end-to-end simulation-based analysis of a set of Gaussian and non-Gaussian weak lensing statistics using detailed mock catalogs of the Dark …
us, gb, ch, de, fr, ca, br, it, es, cl, au
(code pays fourni par la source)
Accès ouvert
2023
preprint
OpenAlex
K. Graham, Jackson H. O’Donnell, M. M. Silverstein, Orion Eiger et autres
We search for the presence of cool cores in optically-selected galaxy clusters from the Dark Energy Survey (DES) and investigate their prevalence as a function of redshift and cluster richness. Clusters were selected from the redMaPPer analysis of three years of DES …
no
(code pays fourni par la source)
Accès ouvert
2022
article
OpenAlex
L. F. Secco, S. Samuroff, E. Krause, Bhuvnesh Jain et autres
This work and its companion paper, Amon et al. [Phys. Rev. D 105, 023514 (2022)], present cosmic shear measurements and cosmological constraints from over 100 million source galaxies in the Dark Energy Survey (DES) Year 3 data. We constrain the lensing amplitude …
us, ch, gb, pt, ca, br, es, de, ru, fr, jp, cl
(code pays fourni par la source)