Compressing radio interferometric visibility data into a probabilistic model using sparse Gaussian processes

arXiv:2607.15860 · astro-ph.IM, astro-ph.GA · Submitted 2026-07-17 · Read on arXiv

Takafumi Tsukui

astro-ph.IM, astro-ph.GA

Submitted: 2026-07-17

Comments: 9 pages, 4 figures, SPIE Astronomical Telescopes + Instrumentation 2026 Paper No. 14153-10

Code: https://github.com/takafumi291/uv_flow

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Fidelity — 6× in this paper · explained in 2 episodes
• Square Kilometre Array — 3× in this paper
• 21-cm signal — 2× in this paper · explained in 1 episode
• Adam — 2× in this paper · explained in 2 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Aperture — 1× in this paper · explained in 1 episode
• Calibration — 1× in this paper · explained in 7 episodes
• Iterative Refinement — 1× in this paper · explained in 3 episodes
• National Radio Astronomy Observatory — 1× in this paper
• Quantization — 1× in this paper · explained in 12 episodes

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