Hydrogen Epoch of Reionization Array (HERA) Phase II Deployment and Commissioning
LM Berkhout, DC Jacobs… - Publications of the …, 2024 - iopscience.iop.org
This paper presents the design and deployment of the Hydrogen Epoch of Reionization
Array (HERA) phase II system. HERA is designed as a staged experiment targeting 21 cm …
Array (HERA) phase II system. HERA is designed as a staged experiment targeting 21 cm …
Spectral redundancy for calibrating interferometers and suppressing the foreground wedge in 21 cm cosmology
Observations of 21 cm line from neutral hydrogen promise to be an exciting new probe of
astrophysics and cosmology during the Cosmic Dawn and through the Epoch of …
astrophysics and cosmology during the Cosmic Dawn and through the Epoch of …
Sensitivity of Bayesian 21 cm power spectrum estimation to foreground model errors
J Burba, P Bull, MJ Wilensky, F Kennedy… - Monthly Notices of …, 2024 - academic.oup.com
Power spectrum estimators are an important tool in efforts to detect the 21 cm brightness
temperature fluctuations from neutral hydrogen at early times. An initial detection will likely …
temperature fluctuations from neutral hydrogen at early times. An initial detection will likely …
Mitigating calibration errors from mutual coupling with time-domain filtering of 21 cm cosmological radio observations
The 21 cm transition from neutral Hydrogen promises to be the best observational probe of
the Epoch of Reionization (EoR). This has led to the construction of low-frequency radio …
the Epoch of Reionization (EoR). This has led to the construction of low-frequency radio …
High-dimensional inference of radio interferometer beam patterns I: parametric model of the HERA beams
MJ Wilensky, J Burba, P Bull, H Garsden… - RAS Techniques …, 2024 - academic.oup.com
Accurate modelling of the primary beam is an important but difficult task in radio astronomy.
For high dynamic range problems such as 21 cm intensity mapping, small modelling errors …
For high dynamic range problems such as 21 cm intensity mapping, small modelling errors …
Direct Optimal Mapping Image Power Spectrum and its Window Functions
The key to detecting neutral hydrogen during the epoch of reionization (EoR) is to separate
the cosmological signal from the dominating foreground radiation. We developed direct …
the cosmological signal from the dominating foreground radiation. We developed direct …
Instrumental Effects in 21 cm Cosmology: One-point Statistics and Power Spectrum with the HERA Interferometer
H Kim - 2024 - dspace.mit.edu
The epoch of reionization (EoR) signifies a critical phase in the universe's evolution, marking
the shift from a predominantly neutral intergalactic medium to the ionized state observed …
the shift from a predominantly neutral intergalactic medium to the ionized state observed …