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Ravi Subrahmanyan (Raman Research Institute)

Ravi Subrahmanyan Colloquium: Towards detection of radio signatures of cosmic dawn

The Australia Telescope National Facility Colloquium
Wed 05 Dec to Wed 05 Dec 2018

Marsfield lecture theatre


As first light from the first stars transforms the universe from the dark ages into cosmic dawn, the history may be traced in redshifted 21-cm from neutral hydrogen in the gas. Efforts to build precision radiometers over the 40-200 MHz band to detect this faint signal are beginning to yield results of significance to the theory, thus constraining the starlight of the earliest galaxies. I will review the field and discuss the problems and progress.


Shivani Bhandari

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