2 papers
astro-ph.CO2024
The EDGES measurement disfavors an excess radio background during the cosmic dawn
Junsong Cang, Andrei Mesinger, Steven G. Murray +3
In 2018 the EDGES experiment claimed the first detection of the global cosmic 21cm signal, which featured an absorption trough centered around with a depth of approxima…
astro-ph.CO2024
StratLearn-z: Improved photo- estimation from spectroscopic data subject to selection effects
Chiara Moretti, Maximilian Autenrieth, Riccardo Serra +3
A precise measurement of photometric redshifts (photo-z) is key for the success of modern photometric galaxy surveys. Machine learning (ML) methods show great promise in this conte…