Validating Posteriors Obtained by an Emulator When Jointly Fitting Mock Data of the Global 21 cm Signal and High-z Galaxy UV Luminosity Function

Validating Posteriors Obtained by an Emulator When Jointly Fitting Mock Data of the Global 21 cm Signal and High-z Galaxy UV Luminosity Function

Although neural-network-based emulators enable efficient parameter estimation in 21 cm cosmology, the accuracy of such constraints is poorly understood. We employ nested sampling to fit mock data of the global 21 cm signal and high- z galaxy ultraviolet luminosity function (UVLF) and compare for the...

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Bibliographic Details
Main Authors: J. Dorigo Jones, D. Rapetti, J. Mirocha, J. J. Hibbard, J. O. Burns, N. Bassett
Format: Article
Language:English
Published: IOP Publishing 2023-01-01
Series:The Astrophysical Journal
Subjects:
Nested sampling
Reionization
Luminosity function
Neural networks
Posterior distribution
Radio astronomy
Online Access:https://doi.org/10.3847/1538-4357/ad003e

Internet

https://doi.org/10.3847/1538-4357/ad003e

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