Studying cosmic dawn using redshifted HI 21-cm signal: A brief review
In this review article, we briefly outline our current understanding of the physics associated
with the HI 21-cm signal from cosmic dawn. We discuss different phases of cosmic dawn as …
with the HI 21-cm signal from cosmic dawn. We discuss different phases of cosmic dawn as …
Constraining the intergalactic medium at z ≈ 9.1 using LOFAR Epoch of Reionization observations
We derive constraints on the thermal and ionization states of the intergalactic medium (IGM)
at redshift≈ 9.1 using new upper limits on the 21-cm power spectrum measured by the …
at redshift≈ 9.1 using new upper limits on the 21-cm power spectrum measured by the …
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 …
Constraining the state of the intergalactic medium during the Epoch of Reionization using MWA 21-cm signal observations
ABSTRACT The Murchison Widefield Array (MWA) team has derived new upper limits on the
spherically averaged power spectrum of the 21-cm signal at six redshifts in the range z≈ 6.5 …
spherically averaged power spectrum of the 21-cm signal at six redshifts in the range z≈ 6.5 …
Simultaneously constraining the astrophysics of reionization and the epoch of heating with 21CMMC
B Greig, A Mesinger - Monthly Notices of the Royal Astronomical …, 2017 - academic.oup.com
The cosmic 21 cm signal is set to revolutionize our understanding of the early Universe,
allowing us to probe the 3D temperature and ionization structure of the intergalactic medium …
allowing us to probe the 3D temperature and ionization structure of the intergalactic medium …
High-mass X-ray binaries and the cosmic 21-cm signal: impact of host galaxy absorption
By heating the intergalactic medium (IGM) before reionization, X-rays are expected to play a
prominent role in the early Universe. The cosmic 21-cm signal from this 'epoch of …
prominent role in the early Universe. The cosmic 21-cm signal from this 'epoch of …
Predictions and sensitivity forecasts for reionization-era [C ii] line intensity mapping
S Dumitru, G Kulkarni, G Lagache… - Monthly Notices of the …, 2019 - academic.oup.com
Observations of the high-redshift Universe using the 21 cm line of neutral hydrogen and
complimentary emission lines from the first galaxies promise to open a new door for our …
complimentary emission lines from the first galaxies promise to open a new door for our …
Optimal identification of H ii regions during reionization in 21-cm observations
The ability of the future low-frequency component of the Square Kilometre Array radio
telescope to produce tomographic images of the redshifted 21-cm signal will enable direct …
telescope to produce tomographic images of the redshifted 21-cm signal will enable direct …
Evaluating the QSO contribution to the 21-cm signal from the Cosmic Dawn
The upcoming radio interferometer Square Kilometre Array (SKA) is expected to directly
detect the redshifted 21-cm signal from the neutral hydrogen present during the Cosmic …
detect the redshifted 21-cm signal from the neutral hydrogen present during the Cosmic …
Redshift-space distortions in simulations of the 21-cm signal from the cosmic dawn
The 21-cm signal from the Cosmic Dawn (CD) is likely to contain large fluctuations, with the
most extreme astrophysical models on the verge of being ruled out by observations from …
most extreme astrophysical models on the verge of being ruled out by observations from …