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astro-ph.CO2026
The Tracking Tapered Gridded Estimator for the 21-cm power spectrum from the Murchison Widefield Array (MWA) drift scan observations -- III. Improved upper limits at from multiple pointings
Shouvik Sarkar, Khandakar Md Asif Elahi, Samir Choudhuri +5
We analyze zenith-pointing Murchison Widefield Array (MWA) drift scan observations covering with 1…
astro-ph.CO2024
The Tracking Tapered Gridded Estimator for the 21-cm power spectrum from MWA drift scan observations II: The Missing Frequency Channels
Khandakar Md Asif Elahi, Somnath Bharadwaj, Suman Chatterjee +4
Missing frequency channels pose a problem for estimating the redshifted 21-cm power spectrum (PS) from radio-interferometric visibility data. This is parti…
astro-ph.CO2024★ 11 cited
The Tracking Tapered Gridded Estimator for the 21-cm power spectrum from MWA drift scan observations I: Validation and preliminary results
Suman Chatterjee, Khandakar Md Asif Elahi, Somnath Bharadwaj +4
Drift scan observations provide the broad sky coverage and instrumental stability needed to measure the Epoch of Reionization (EoR) 21-cm signal. In such observations, the telescop…