beorn: a fast and flexible framework to simulate the epoch of reionization and cosmic dawn
In this study, we introduce beorn (Bubbles during the Epoch of Reionization Numerical
Simulator), a publicly available python code that generates three-dimensional maps of the …
Simulator), a publicly available python code that generates three-dimensional maps of the …
Exploring the likelihood of the 21-cm power spectrum with simulation-based inference
D Prelogović, A Mesinger - Monthly Notices of the Royal …, 2023 - academic.oup.com
Observations of the cosmic 21-cm power spectrum (PS) are starting to enable precision
Bayesian inference of galaxy properties and physical cosmology, during the first billion …
Bayesian inference of galaxy properties and physical cosmology, during the first billion …
Machine learning astrophysics from 21 cm lightcones: impact of network architectures and signal contamination
Imaging the cosmic 21 cm signal will map out the first billion years of our Universe. The
resulting 3D lightcone (LC) will encode the properties of the unseen first galaxies and …
resulting 3D lightcone (LC) will encode the properties of the unseen first galaxies and …
Measuring the topology of reionization with Betti numbers
The distribution of ionized hydrogen during the epoch of reionization (EoR) has a complex
morphology. We propose to measure the 3D topology of ionized regions using the Betti …
morphology. We propose to measure the 3D topology of ionized regions using the Betti …
Cosmological forecast of the 21-cm power spectrum with the halo model of reionization
The 21-cm power spectrum of reionization is a promising probe for cosmology and
fundamental physics. Exploiting this new observable, however, requires fast predictors …
fundamental physics. Exploiting this new observable, however, requires fast predictors …
Imprints of fermionic and bosonic mixed dark matter on the 21-cm signal at cosmic dawn
SK Giri, A Schneider - Physical review D, 2022 - APS
The 21-cm signal from the epoch of cosmic dawn prior to reionization consists of a promising
observable to gain new insights into the dark matter (DM) sector. In this paper, we …
observable to gain new insights into the dark matter (DM) sector. In this paper, we …
The 21-cm signal during the end stages of reionization
SK Giri, M Bianco, T Schaeffer, IT Iliev… - Monthly Notices of …, 2024 - academic.oup.com
During the epoch of reionization (EoR), the 21-cm signal allows direct observation of the
neutral hydrogen (H i) in the intergalactic medium (IGM). In the post-reionization era, this …
neutral hydrogen (H i) in the intergalactic medium (IGM). In the post-reionization era, this …
Deep learning approach for identification of H ii regions during reionization in 21-cm observations
M Bianco, SK Giri, IT Iliev… - Monthly Notices of the …, 2021 - academic.oup.com
ABSTRACT The upcoming Square Kilometre Array (SKA-Low) will map the distribution of
neutral hydrogen during reionization and produce a tremendous amount of three …
neutral hydrogen during reionization and produce a tremendous amount of three …
Simulation-based Inference of Reionization Parameters from 3D Tomographic 21 cm Light-cone Images. II. Application of Solid Harmonic Wavelet Scattering …
X Zhao, Y Mao, S Zuo, BD Wandelt - The Astrophysical Journal, 2024 - iopscience.iop.org
The information regarding how the intergalactic medium is reionized by astrophysical
sources is contained in the tomographic three-dimensional 21 cm images from the epoch of …
sources is contained in the tomographic three-dimensional 21 cm images from the epoch of …
The large-scale 21-cm power spectrum from reionization
Radio interferometers, such as the Low-Frequency Array and the future Square Kilometre
Array, are attempting to measure the spherically averaged 21-cm power spectrum from the …
Array, are attempting to measure the spherically averaged 21-cm power spectrum from the …