Optimal identification of H ii regions during reionization in 21-cm observations

  title={Optimal identification of H ii regions during reionization in 21-cm observations},
  author={Sambit K. Giri and Garrelt Mellema and Raghunath Ghara},
  journal={Monthly Notices of the Royal Astronomical Society},
The ability of the future low-frequency component of the Square Kilometre Array radio telescope to produce tomographic images of the redshifted 21-cm signal will enable direct studies of the evolut ... 
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We derive constraints on the thermal and ionization states of the intergalactic medium (IGM) at redshift ≈ 9.1 using new upper limits on the 21-cm power spectrum measured by the LOFAR radio telescopeExpand
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The Square Kilometre Array (SKA) is a planned radio interferometer of unprecedented scale that will revolutionize low-frequency radio astronomy when completed. In particular, one of its core scienceExpand
Position-dependent power spectra of the 21-cm signal from the epoch of reionization
The 21-cm signal from the epoch of reionization is non-Gaussian. Current radio telescopes are focused on detecting the 21-cm power spectrum, but in the future the Square Kilometre Array isExpand
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Interferometry of the cosmic 21-cm signal is set to revolutionise our understanding of the Epoch of Reionisation (EoR) and the Cosmic Dawn (CD). The culmination of ongoing efforts will be theExpand
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One of the most promising ways to study the epoch of reionization (EoR) is through radio observations of the redshifted 21-cm line emission from neutral hydrogen. These observations are complicatedExpand
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The Square Kilometre Array (SKA) will have a low frequency component (SKA-low) which has as one of its main science goals the study of the redshifted 21 cm line from the earliest phases of star andExpand
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The Hydrogen Epoch of Reionization Array (HERA)
  • D. DeBoer
  • Art, Physics
  • 2016 International Conference on Electromagnetics in Advanced Applications (ICEAA)
  • 2016
The Hydrogen Epoch of Reionization Array (HERA http://reionization.org) is a staged experiment that uses the unique properties of the 21-cm line from neutral hydrogen to probe the Epoch ofExpand