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A Decade of Developing Radio-Astronomy Instrumentation using CASPER Open-Source Technology
Jack Hickish, Zuhra Abdurashidova, Zaki Ali +33
The Collaboration for Astronomy Signal Processing and Electronics Research (CASPER) has been working for a decade to reduce the time and cost of designing, building and deploying n…
Spherical Harmonic Analyses of Intensity Mapping Power Spectra
Adrian Liu, Yunfan Zhang, Aaron R. Parsons
Intensity mapping is a promising technique for surveying the large scale structure of our Universe from to , using the brightness temperature field of spectral li…
Hydrogen Epoch of Reionization Array (HERA)
David R. DeBoer, Aaron R. Parsons, James E. Aguirre +51
The Hydrogen Epoch of Reionization Array (HERA) is a staged experiment to measure 21 cm emission from the primordial intergalactic medium (IGM) throughout cosmic reionization ($z=6…
Effects of Antenna Beam Chromaticity on Redshifted 21~cm Power Spectrum and Implications for Hydrogen Epoch of Reionization Array
Nithyanandan Thyagarajan, Aaron Parsons, David DeBoer +4
Unaccounted for systematics from foregrounds and instruments can severely limit the sensitivity of current experiments from detecting redshifted 21~cm signals from the Epoch of Rei…
Constraining Polarized Foregrounds for EoR Experiments I: 2D Power Spectra from the PAPER-32 Imaging Array
S. A. Kohn, J. Aguirre, C. Nunhokee +15
Current-generation low frequency interferometers constructed with the objective of detecting the high-redshift 21 cm background, aim to generate power spectra of the brightness-tem…
The Hydrogen Epoch of Reionization Array Dish II: Characterization of Spectral Structure with Electromagnetic Simulations and its science Implications
Aaron Ewall-Wice, Richard Bradley, David DeBoer +25
We use time-domain electromagnetic simulations to determine the spectral characteristics of the Hydrogen Epoch of Reionization Arrays (HERA) antenna. These simulations are part of…