papers

Publications (5)

astro-ph.CO2025

Primary Beam Chromaticity in HIRAX: I. Characterization from Simulations and Power Spectrum Implications

Ajith Sampath, Devin Crichton, Kavilan Moodley +15

The Hydrogen Intensity and Real-time Analysis eXperiment (HIRAX) is an upcoming radio interferometric telescope designed to constrain dark energy through the 21cm intensity mapping…

astro-ph.IM2025

Karabo: A versatile SKA Observation Simulation Framework

Rohit Sharma, Simon Felix, Luis Fernando Machado Poletti Valle +12

Karabo is a versatile Python-based software framework simplifying research with radio astronomy data. It bundles existing software packages into a coherent whole to improve the eas…

astro-ph.CO2026

HI Simulations for Cosmology with the SKA Observatory

Tommaso Ronconi, Gabriella De Lucia, Marta Spinelli +15

We present a comparative overview of state-of-the-art methods for modelling the distribution of neutral hydrogen (HI) in the post-reionization Universe, developed in preparation fo…

astro-ph.CO2025

Fast Simulation of Cosmological Neutral Hydrogen based on the Halo Model

Pascal Hitz, Pascale Berner, Devin Crichton +2

Cosmological neutral hydrogen (HI) surveys provide a promising tomographic probe of the post-reionization era and of the standard model of cosmology. Simulations of this signal are…

astro-ph.IM2022

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…