dish metrology 1hydrogen intensity mapping 1photogrammetry 1radio interferometry 1systematic errors 1
From the 1 of 2 linked papers with an AI index.
2 papers
astro-ph.IM2026
Dish Assembly Precision for HIRAX
Jennifer Studer, Devin Crichton, Alexandre Refregier +16
The paper presents photogrammetry measurements of the first 28 HIRAX dishes, showing that dish surface deviations meet specifications while feed placement meets accuracy but not pr…
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…