Data analysis for precision 21 cm cosmology

A Liu, JR Shaw - Publications of the Astronomical Society of the …, 2020 - iopscience.iop.org
The redshifted 21 cm line is an emerging tool in cosmology, in principle permitting three-
dimensional surveys of our universe that reach unprecedentedly large volumes, previously …

Unveiling the Universe with emerging cosmological probes

M Moresco, L Amati, L Amendola, S Birrer… - Living Reviews in …, 2022 - Springer
The detection of the accelerated expansion of the Universe has been one of the major
breakthroughs in modern cosmology. Several cosmological probes (Cosmic Microwave …

Cosmology with Phase 1 of the Square Kilometre Array Red Book 2018: technical specifications and performance forecasts

DJ Bacon, RA Battye, P Bull, S Camera… - Publications of the …, 2020 - cambridge.org
We present a detailed overview of the cosmological surveys that we aim to carry out with
Phase 1 of the Square Kilometre Array (SKA1) and the science that they will enable. We …

Late-time cosmology with 21 cm intensity mapping experiments

P Bull, PG Ferreira, P Patel… - The Astrophysical …, 2015 - iopscience.iop.org
We present a framework for forecasting cosmological constraints from future neutral
hydrogen intensity mapping experiments at low to intermediate redshifts. In the process, we …

An improved source-subtracted and destriped 408-MHz all-sky map

M Remazeilles, C Dickinson, AJ Banday… - Monthly Notices of …, 2015 - academic.oup.com
The all-sky 408 MHz map of Haslam et al. is one the most important total-power radio
surveys. It has been widely used to study diffuse synchrotron radiation from our Galaxy and …

H i constraints from the cross-correlation of eBOSS galaxies and Green Bank Telescope intensity maps

L Wolz, A Pourtsidou, KW Masui… - Monthly Notices of …, 2022 - academic.oup.com
We present the joint analysis of Neutral Hydrogen (H i) Intensity Mapping observations with
three galaxy samples: the Luminous Red Galaxy (LRG) and Emission Line Galaxy (ELG) …

MIGHTEE-HI: The HI emission project of the MeerKAT MIGHTEE survey

N Maddox, BS Frank, AA Ponomareva… - Astronomy & …, 2021 - aanda.org
We present the HI emission project within the MIGHTEE survey, currently being carried out
with the newly commissioned MeerKAT radio telescope. This is one of the first deep, blind …

The foreground transfer function for H i intensity mapping signal reconstruction: MeerKLASS and precision cosmology applications

S Cunnington, L Wolz, P Bull, IP Carucci… - Monthly Notices of …, 2023 - academic.oup.com
Blind cleaning methods are currently the preferred strategy for handling foreground
contamination in single-dish H i intensity mapping surveys. Despite the increasing …

Observational future of cosmological scalar-tensor theories

D Alonso, E Bellini, PG Ferreira, M Zumalacárregui - Physical Review D, 2017 - APS
The next generation of surveys will greatly improve our knowledge of cosmological gravity.
In this paper we focus on how Stage IV photometric redshift surveys, including weak lensing …

SKAO H i intensity mapping: blind foreground subtraction challenge

M Spinelli, IP Carucci, S Cunnington… - Monthly Notices of …, 2022 - academic.oup.com
ABSTRACT Neutral Hydrogen Intensity Mapping (H i IM) surveys will be a powerful new
probe of cosmology. However, strong astrophysical foregrounds contaminate the signal and …