21cmlstm: A Fast Memory-based Emulator of the Global 21 cm Signal with Unprecedented Accuracy
JD Jones, SM Bahauddin, D Rapetti… - The Astrophysical …, 2024 - iopscience.iop.org
Neural network (NN) emulators of the global 21 cm signal need an emulation error much
less than the observational noise in order to be used to perform unbiased Bayesian …
less than the observational noise in order to be used to perform unbiased Bayesian …
Tackling the Challenges in the 21 cm Global Spectrum Experiment: The Impact of Ionosphere and Beam Distortion
Y Wang, X Wang, S Sun, F Wu, S Luo… - The Astrophysical …, 2024 - iopscience.iop.org
The H i 21 cm global signal from the Cosmic Dawn and the Epoch of Reionization (EoR)
offers critical insights into the evolution of our Universe. Yet, its detection presents significant …
offers critical insights into the evolution of our Universe. Yet, its detection presents significant …
MEDEA: A New Model for Emulating Radio Antenna Beam Patterns for 21 cm Cosmology and Antenna Design Studies
JJ Hibbard, BD Nhan, D Rapetti… - The Astrophysical …, 2024 - iopscience.iop.org
In 21 cm experimental cosmology, accurate characterization of a radio telescope's antenna
beam response is essential to measure the 21 cm signal. Computational electromagnetic …
beam response is essential to measure the 21 cm signal. Computational electromagnetic …
: A Fast Memory-based Emulator of the Global 21 cm Signal with Unprecedented Accuracy
JD Jones, SM Bahauddin, D Rapetti, J Mirocha… - arXiv preprint arXiv …, 2024 - arxiv.org
Neural network (NN) emulators of the global 21 cm signal need emulation error much less
than the observational noise in order to be used to perform unbiased Bayesian parameter …
than the observational noise in order to be used to perform unbiased Bayesian parameter …
The EDGES measurement disfavors an excess radio background during the cosmic dawn
In 2018 the EDGES experiment claimed the first detection of the global cosmic 21cm signal,
which featured an absorption trough centered around $ z\sim 17$ with a depth of …
which featured an absorption trough centered around $ z\sim 17$ with a depth of …
The relative constraining power of the high- 21-cm dipole and monopole signals
The 21-cm background is a promising probe of early star formation and black hole activity.
While a slew of experiments on the ground seek to detect the 21-cm monopole and spatial …
While a slew of experiments on the ground seek to detect the 21-cm monopole and spatial …