Hydrogen Epoch of Reionization Arrays: Introduction

Details Hydrogen Epoch of Reionization Arrays: Introduction Hydrogen Epoch of Reionization Arrays: Introduction

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21710701h&link_type=abstract

American Astronomical Society, AAS Meeting #217, #107.01; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astrophysics

Scientific paper

The prospect of observing the Epoch of Reionization (EoR) that marks the end of the Dark Ages and the onset of structure formation is currently of great interest in astrophysics. The 21cm line of neutral hydrogen is a particularly promising probe. A sequence of Hydrogen Epoch of Reionization Arrays (HERA) has been proposed to provide measurements of EoR structures with increasing fidelity and depth as capability improves. The current first generation of HERA arrays is under construction or starting operation, and we can now begin to address the technical challenges of the next generation. I summarize the observational signatures targeted by the sequence of arrays, and identify some of the technical challenges.

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