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astro-ph.CO2024
Classification of Radio Backgrounds at Cosmic Dawn and 21 cm Signal Confirmation Using Neural Networks
Sudipta Sikder, Anastasia Fialkov, Rennan Barkana
Several ongoing and upcoming radio telescopes aim to detect either the global 21 cm signal or the 21 cm power spectrum. The extragalactic radio background, as detected by ARCADE-2…
astro-ph.CO2024
Constraining the clustering and 21-cm signature of radio galaxies at cosmic dawn
Sudipta Sikder, Rennan Barkana, Anastasia Fialkov
The efficiency of radio emission is an important unknown parameter of early galaxies at cosmic dawn, as models with high efficiency have been shown to modify the cosmological 21-cm…