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SUMMARY:Radio Cosmology and the Cosmic Dawn
DTSTART:20260522T111500Z
DTEND:20260522T124500Z
DTSTAMP:20260501T105200Z
UID:indico-event-1466@indico.hiskp.uni-bonn.de
DESCRIPTION:Speakers: Jonathan Pritchard (MPI für Radioastronomie\, Bonn)
 \n\nA new generation of low-frequency radio telescopes is attempting to de
 tect the 21cm signal of neutral hydrogen at the time of the time of the fi
 rst galaxies and the epoch of reionization. Mapping this 21cm signal would
  offer a novel probe of astrophysics and cosmology during the first billio
 n years of the Universe.\nIn this talk\, I will discuss the physics of thi
 s 21 cm signal and review the status of these efforts. In particular\, I w
 ill discuss 21cm global experiments\, especially REACH - a global 21 cm ex
 periment deployed in the the Karou in South Africa. I will also discuss th
 e challenges for connecting theoretical models to upcoming studies of reio
 nization with the Square Kilometre Array. Inference here requires connecti
 ng expensive numerical simulations to complex data sets. This provides spa
 ce for application of many machine learning tools\, such as emulators and 
 simulation based inference.\n \n\nhttps://indico.hiskp.uni-bonn.de/event/
 1466/
URL:https://indico.hiskp.uni-bonn.de/event/1466/
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