Improved constraints on the 21 cm EoR power spectrum and the X-ray heating of the IGM with HERA phase I observations
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
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 …
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 …
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 …
HERA phase I limits on the cosmic 21 cm signal: constraints on astrophysics and cosmology during the epoch of reionization
Abstract Recently, the Hydrogen Epoch of Reionization Array (HERA) has produced the
experiment's first upper limits on the power spectrum of 21 cm fluctuations at z∼ 8 and 10 …
experiment's first upper limits on the power spectrum of 21 cm fluctuations at z∼ 8 and 10 …
Astraeus I: the interplay between galaxy formation and reionization
We introduce a new self-consistent model of galaxy evolution and reionization, astraeus
(seminumerical r A diative tran S fer coupling of galaxy forma T ion and R eionization in N …
(seminumerical r A diative tran S fer coupling of galaxy forma T ion and R eionization in N …
Probing early Universe through redshifted 21-cm signal: Modeling and observational challenges
Cosmic dawn (CD) and the epoch of reionization (EoR) are the most important parts of
cosmic history during which the first luminous structures emerged. These first objects heated …
cosmic history during which the first luminous structures emerged. These first objects heated …
Tight constraints on the excess radio background at z = 9.1 from LOFAR
R Mondal, A Fialkov, C Fling, IT Iliev… - Monthly Notices of …, 2020 - academic.oup.com
The ARCADE2 and LWA1 experiments have claimed an excess over the cosmic microwave
background (CMB) at low radio frequencies. If the cosmological high-redshift contribution to …
background (CMB) at low radio frequencies. If the cosmological high-redshift contribution to …
Constraining the X-ray heating and reionization using 21-cm power spectra with Marginal Neural Ratio Estimation
ABSTRACT Cosmic Dawn (CD) and Epoch of Reionization (EoR) are epochs of the
Universe which host invaluable information about the cosmology and astrophysics of X-ray …
Universe which host invaluable information about the cosmology and astrophysics of X-ray …
Probing the primordial Universe with 21 cm line from cosmic dawn/epoch of reionization
T Minoda, S Saga, T Takahashi… - Publications of the …, 2023 - academic.oup.com
In the most distant reaches of the Universe, the 21 cm hyperfine transition in neutral
hydrogen provides one of the only available tracers of large-scale structure. A number of …
hydrogen provides one of the only available tracers of large-scale structure. A number of …