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 …
dimensional surveys of our universe that reach unprecedentedly large volumes, previously …
[HTML][HTML] Applications and techniques for fast machine learning in science
In this community review report, we discuss applications and techniques for fast machine
learning (ML) in science—the concept of integrating powerful ML methods into the real-time …
learning (ML) in science—the concept of integrating powerful ML methods into the real-time …
An absorption profile centred at 78 megahertz in the sky-averaged spectrum
JD Bowman, AEE Rogers, RA Monsalve, TJ Mozdzen… - Nature, 2018 - nature.com
After stars formed in the early Universe, their ultraviolet light is expected, eventually, to have
penetrated the primordial hydrogen gas and altered the excitation state of its 21-centimetre …
penetrated the primordial hydrogen gas and altered the excitation state of its 21-centimetre …
Improved constraints on the 21 cm EoR power spectrum and the X-ray heating of the IGM with HERA phase I observations
T Adams, JE Aguirre, P Alexander, ZS Ali… - The Astrophysical …, 2023 - iopscience.iop.org
We report the most sensitive upper limits to date on the 21 cm epoch of reionization power
spectrum using 94 nights of observing with Phase I of the Hydrogen Epoch of Reionization …
spectrum using 94 nights of observing with Phase I of the Hydrogen Epoch of Reionization …
First results from hera phase i: Upper limits on the epoch of reionization 21 cm power spectrum
Z Abdurashidova, JE Aguirre, P Alexander… - The Astrophysical …, 2022 - iopscience.iop.org
We report upper limits on the Epoch of Reionization 21 cm power spectrum at redshifts 7.9
and 10.4 with 18 nights of data (∼ 36 hr of integration) from Phase I of the Hydrogen Epoch …
and 10.4 with 18 nights of data (∼ 36 hr of integration) from Phase I of the Hydrogen Epoch …
Possible interaction between baryons and dark-matter particles revealed by the first stars
R Barkana - Nature, 2018 - nature.com
The cosmic radio-frequency spectrum is expected to show a strong absorption signal
corresponding to the 21-centimetre-wavelength transition of atomic hydrogen around …
corresponding to the 21-centimetre-wavelength transition of atomic hydrogen around …
Improved upper limits on the 21 cm signal power spectrum of neutral hydrogen at z ≈ 9.1 from LOFAR
ABSTRACT A new upper limit on the 21 cm signal power spectrum at a redshift of z≈ 9.1 is
presented, based on 141 h of data obtained with the Low-Frequency Array (LOFAR). The …
presented, based on 141 h of data obtained with the Low-Frequency Array (LOFAR). The …
Hydrogen epoch of reionization array (HERA)
Abstract The Hydrogen Epoch of Reionization Array (HERA) is a staged experiment to
measure 21 cm emission from the primordial intergalactic medium (IGM) throughout cosmic …
measure 21 cm emission from the primordial intergalactic medium (IGM) throughout cosmic …
Fundamental physics with the square kilometre array
The Square Kilometre Array (SKA) is a planned large radio interferometer designed to
operate over a wide range of frequencies, and with an order of magnitude greater sensitivity …
operate over a wide range of frequencies, and with an order of magnitude greater sensitivity …
Deep multiredshift limits on Epoch of Reionization 21 cm power spectra from four seasons of Murchison Widefield Array observations
We compute the spherically averaged power spectrum from four seasons of data obtained
for the Epoch of Reionization (EoR) project observed with the Murchison Widefield Array …
for the Epoch of Reionization (EoR) project observed with the Murchison Widefield Array …