detalle del documento
IDENTIFICACIÓN
oai:arXiv.org:2412.07856
Tema
Astrophysics - Cosmology and Nonga...Autor
Burger, Pierre A. Patel, Darshak A. Hudson, Michael J.Categoría
ciencias: astrofísica
Año
2024
fecha de cotización
18/12/2024
Palabras clave
density desi massResumen
In this work, we develop a simulation-based model to predict the excess surface mass density (ESD) depending on the local density environment.
Using a conditional stellar mass function, our foreground galaxies are tailored toward the bright galaxy sample of the early data release of the Dark Energy Spectroscopic Instrument (DESI).
Due to the nature of the ESD measurement, our derived model is directly applicable to all DESI data.
To build this model, we use the $\texttt{AbacusSummit}$ N-body simulation suite from which we measure all necessary statistics and train an emulator based on $\texttt{CosmoPower}$.
Finally, we present a cosmological parameter forecast for a possible combined analysis of DESI and the Ultraviolet Near Infrared Optical Northern Survey.
;Comment: 18 Pages, 16 Figures, submitted to Phys.
Rev. D
Burger, Pierre A.,Patel, Darshak A.,Hudson, Michael J., 2024, Constraining cosmological parameters using density split lensing and the conditional stellar mass function
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