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astro-ph.IM2025
Calibration requirement for Epoch of Reionization 21-cm signal observation -- III. Bias and variance in uGMRT ELAIS-N1 field power spectrum
Saikat Gayen, Rashmi Sagar, Sarvesh Mangla +6
Power spectrum of \HI 21-cm radiation is one of the promising probes to study large scale structure of the universe and understand galaxy formation and evolution. The presence of f…
astro-ph.IM2024
Reliability of in-band and broadband spectral index measurement: systematic study of the effect of signal to noise for uGMRT data
Md Rashid, Nirupam Roy, J. D. Pandian +4
Low radio frequency spectral index measurements are a powerful tool to distinguish between different emission mechanisms and, in turn, to understand the nature of the sources. Besi…