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 …

Planck intermediate results-XLVI. Reduction of large-scale systematic effects in HFI polarization maps and estimation of the reionization optical depth

N Aghanim, M Ashdown, J Aumont… - Astronomy & …, 2016 - aanda.org
This paper describes the identification, modelling, and removal of previously unexplained
systematic effects in the polarization data of the Planck High Frequency Instrument (HFI) on …

[HTML][HTML] Planck intermediate results-XLVIII. Disentangling Galactic dust emission and cosmic infrared background anisotropies

N Aghanim, M Ashdown, J Aumont… - Astronomy & …, 2016 - aanda.org
Using the Planck 2015 data release (PR2) temperature maps, we separate Galactic thermal
dust emission from cosmic infrared background (CIB) anisotropies. For this purpose, we …

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) …

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 …

The BINGO project-I. Baryon acoustic oscillations from integrated neutral gas observations

E Abdalla, EGM Ferreira, RG Landim, AA Costa… - Astronomy & …, 2022 - aanda.org
Context. Observations of the redshifted 21-cm line of neutral hydrogen (HI) are a new and
powerful window of observation that offers us the possibility to map the spatial distribution of …

21-cm foregrounds and polarization leakage: cleaning and mitigation strategies

S Cunnington, MO Irfan, IP Carucci… - Monthly Notices of …, 2021 - academic.oup.com
The success of H i intensity mapping is largely dependent on how well 21-cm foreground
contamination can be controlled. In order to progress our understanding further, we present …

Recovery of 21-cm intensity maps with sparse component separation

IP Carucci, MO Irfan, J Bobin - Monthly Notices of the Royal …, 2020 - academic.oup.com
cm intensity mapping has emerged as a promising technique to map the large-scale
structure of the Universe. However, the presence of foregrounds with amplitudes orders of …

The BINGO project-II. Instrument description

CA Wuensche, T Villela, E Abdalla, V Liccardo… - Astronomy & …, 2022 - aanda.org
Context. The measurement of diffuse 21-cm radiation from the hyperfine transition of neutral
hydrogen (HI signal) in different redshifts is an important tool for modern cosmology …

H i and cosmological constraints from intensity mapping, optical and CMB surveys

A Pourtsidou, D Bacon… - Monthly Notices of the …, 2017 - academic.oup.com
We forecast constraints on neutral hydrogen (H i) and cosmological parameters using near-
term intensity mapping surveys with instruments such as BINGO, MeerKAT and the Square …