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Author

Jais Kumar

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Preprint Oct 2026

Calibration requirements for Epoch of Reionization 21-cm signal observations - V. Bias and variance in the cylindrical power spectrum from uGMRT Band 3 observations of the ELAIS-N1 field

Detection of the redshifted 21-cm signal from neutral hydrogen requires precise control of systematic effects arising from instrumental calibration. In this work, we investigate the impact of both time- and frequency-dependent residual gain and bandpass errors on the estimation of the multifrequency angular power spect...

Saikat Gayen, S. Tripathy, Saqueb Tanveer et al. · 0 citations

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