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The Hydrogen Intensity and Real-time Analysis eXperiment: 256-Element Array Status and Overview
Devin Crichton, Moumita Aich, Adam Amara +97
The Hydrogen Intensity and Real-time Analysis eXperiment (HIRAX) is a radio interferometer array currently in development, with an initial 256-element array to be deployed at the S…
Extracting the Signal of Cosmic String Wakes from 21-cm Observations
David Maibach, Robert Brandenberger, Devin Crichton +1
A cosmic string wake produces a distinct non-Gaussian signal in 21-cm intensity maps at redshifts above that of reionization. While the string signal is (locally) larger in amplitu…
PACT. II. Pressure profiles of galaxy clusters using Planck and ACT
E. Pointecouteau, I. Santiago-Bautista, M. Douspis +9
The pressure of hot gas in groups and clusters of galaxies is a key physical quantity, which is directly linked to the total mass of the halo and several other thermodynamical prop…
Design and implementation of a noise temperature measurement system for the Hydrogen Intensity and Real-time Analysis eXperiment (HIRAX)
Emily R. Kuhn, Benjamin R. B. Saliwanchik, Maile Harris +24
This paper describes the design, implementation, and verification of a test-bed for determining the noise temperature of radio antennas operating between 400-800MHz. The requiremen…