Investigating radio source population and spatial characteristics of diffuse Galactic synchrotron emission in the GAMA-23 field with uGMRT Band-3

arXiv:2608.05854 · astro-ph.GA, astro-ph.CO · Submitted 2026-08-06 · Read on arXiv

astro-ph.GA, astro-ph.CO

Submitted: 2026-08-06

Updated: 2026-08-31

Comments: 16 pages, 9 Figures, 5 Tables, Accepted in The Astronomical Journal for publication

Code: https://github.com/PaulHancock/Aegean

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

Terminology

• Calibration — 12× in this paper · explained in 7 episodes
• 21-cm signal — 4× in this paper · explained in 1 episode
• AGN — 4× in this paper · explained in 1 episode
• Accuracy — 4× in this paper · explained in 1 episode
• Galaxy and Mass Assembly — 3× in this paper
• 21-cm Power Spectrum — 1× in this paper · explained in 1 episode
• Core — 1× in this paper · explained in 2 episodes
• TIFR GMRT Sky Survey — 1× in this paper
• Verification — 1× in this paper · explained in 2 episodes

Sources

• Foregrounds and their mitigation
• SPAM: A data reduction recipe for high-resolution, low-frequency radio-interferometric observations
• Can the reionization epoch be detected as a global signature in the cosmic background?

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