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Mapmaking for Precision 21 cm Cosmology
Joshua S. Dillon, Max Tegmark, Adrian Liu +6
In order to study the "Cosmic Dawn" and the Epoch of Reionization with 21 cm tomography, we need to statistically separate the cosmological signal from foregrounds known to be orde…
Multi-redshift limits on the 21cm power spectrum from PAPER
Daniel C. Jacobs, Jonathan C. Pober, Aaron R. Parsons +15
The epoch of reionization power spectrum is expected to evolve strongly with redshift, and it is this variation with cosmic history that will allow us to begin to place constraints…
MITEoR: A Scalable Interferometer for Precision 21 cm Cosmology
Haoxuan Zheng, Max Tegmark, Victor Buza +34
We report on the MIT Epoch of Reionization (MITEoR) experiment, a pathfinder low-frequency radio interferometer whose goal is to test technologies that improve the calibration prec…
Erasing the variable: Empirical foreground discovery for global 21 cm spectrum experiments
Eric R. Switzer, Adrian Liu
Spectral measurements of the 21 cm monopole background have the promise of revealing the bulk energetic properties and ionization state of our universe from z ~ 6-30. Synchrotron f…
The Epoch of Reionization Window: II. Statistical Methods for Foreground Wedge Reduction
Adrian Liu, Aaron R. Parsons, Cathryn M. Trott
For there to be a successful measurement of the 21 cm Epoch of Reionization (EoR) power spectrum, it is crucial that strong foreground contaminants be robustly suppressed. These fo…
The Epoch of Reionization Window: I. Mathematical Formalism
Adrian Liu, Aaron R. Parsons, Cathryn M. Trott
The 21 cm line provides a powerful probe of astrophysics and cosmology at high redshifts, but unlocking the potential of this probe requires the robust mitigation of foreground con…