Copertina

Bayes-SCF: A Bayesian filter to mitigate foreground leakage in the 21-cm power spectrum

Fuente: arXiv

Salvato in:

Dettagli Bibliografici
Autore principale:	Elahi, Khandakar Md Asif
Natura:	Preprint
Pubblicazione:	2026
Soggetti:	Instrumentation and Methods for Astrophysics Cosmology and Nongalactic Astrophysics
Accesso online:	Acceder al recurso
Tags:	Aggiungi Tag Nessun Tag, puoi essere il primo ad aggiungerne!!

Documenti analoghi

The Tracking Tapered Gridded Estimator for the 21-cm power spectrum from MWA drift scan observations I: Validation and preliminary results
di: Chatterjee, Suman, et al.
Pubblicazione: (2024)

The Tracking Tapered Gridded Estimator for the 21-cm power spectrum from MWA drift scan observations II: The Missing Frequency Channels
di: Elahi, Khandakar Md Asif, et al.
Pubblicazione: (2024)

Sensitivity of Bayesian 21 cm power spectrum estimation to foreground model errors
di: Burba, Jacob, et al.
Pubblicazione: (2024)

Deep uGMRT observations for enhanced calibration of 21 cm arrays -- I. First image and source catalogue
di: Elahi, Khandakar Md Asif, et al.
Pubblicazione: (2025)

Calibration requirements for Epoch of Reionization 21-cm signal observations -- IV. Bias and variance with time and frequency correlated residual gains
di: Gayen, Saikat, et al.
Pubblicazione: (2025)

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 $z = 8.2$ from multiple pointings
di: Sarkar, Shouvik, et al.
Pubblicazione: (2026)

The Epoch of Reionization 21 cm Bispectrum at $z=8.2$ from MWA data II: Smooth Component Filtering
di: Gill, Sukhdeep Singh, et al.
Pubblicazione: (2026)

Towards $21$-cm intensity mapping at $z=2.28$ with uGMRT using the tapered gridded estimator -- IV. Wideband analysis
di: Elahi, Khandakar Md Asif, et al.
Pubblicazione: (2024)

A visibility-based angular bispectrum estimator for radio-interferometric data
di: Gill, Sukhdeep Singh, et al.
Pubblicazione: (2024)

Bayesian data analysis for sky-averaged 21-cm experiments with contamination from linearly polarised foreground
di: Shen, Emma, et al.
Pubblicazione: (2024)

Beyond the horizon: Quantifying the full sky foreground wedge in the cylindrical power spectrum
di: Munshi, S., et al.
Pubblicazione: (2024)

Ionospheric contributions to the excess power in high-redshift 21-cm power-spectrum observations with LOFAR
di: Brackenhoff, S. A., et al.
Pubblicazione: (2024)

Establishing a relationship between the cosmological 21 cm power spectrum and interferometric closure phases
di: Keller, Pascal M., et al.
Pubblicazione: (2026)

The impact of lossy data compression on the power spectrum of the high redshift 21-cm signal with LOFAR
di: Chege, J. K., et al.
Pubblicazione: (2024)

Deep learning approach for identification of HII regions during reionization in 21-cm observations -- II. foreground contamination
di: Bianco, Michele, et al.
Pubblicazione: (2023)

Machine-learning recovery of foreground wedge-removed 21-cm light cones for high-$z$ galaxy mapping
di: Kennedy, Jacob, et al.
Pubblicazione: (2023)

Limits on the 21 cm power spectrum at z=6.5-7.0 from MWA observations
di: Nunhokee, C. D., et al.
Pubblicazione: (2025)

BayesEoR: Bayesian 21-cm Power Spectrum Estimation from Interferometric Visibilities
di: Sims, Peter H., et al.
Pubblicazione: (2025)

Spectral modelling of Cygnus A between 110 and 250 MHz. Impact on the LOFAR 21-cm signal power spectrum
di: Ceccotti, E., et al.
Pubblicazione: (2025)

Near-field imaging of local interference in radio interferometric data: Impact on the redshifted 21 cm power spectrum
di: Munshi, S., et al.
Pubblicazione: (2025)

Assessing the impact of two independent direction-dependent calibration algorithms on the LOFAR 21-cm signal power spectrum
di: Gan, H., et al.
Pubblicazione: (2022)

The impact of lunar topography on the 21-cm power spectrum for grid-based arrays : Insights for the Dark-ages EXplorer (DEX)
di: Ghosh, S., et al.
Pubblicazione: (2025)

First upper limits on the 21 cm signal power spectrum from cosmic dawn from one night of observations with NenuFAR
di: Munshi, S., et al.
Pubblicazione: (2023)

Calibration requirement for Epoch of Reionization 21-cm signal observation -- III. Bias and variance in uGMRT ELAIS-N1 field power spectrum
di: Gayen, Saikat, et al.
Pubblicazione: (2024)

First upper limits on the 21-cm signal power spectrum of neutral hydrogen at $z=9.16$ from the LOFAR 3C196 field
di: Ceccotti, E., et al.
Pubblicazione: (2025)

Improved upper limits on the 21-cm signal power spectrum at $z=17.0$ and $z=20.3$ from an optimal field observed with NenuFAR
di: Munshi, S., et al.
Pubblicazione: (2025)

A demonstration of the effect of fringe-rate filtering in the Hydrogen Epoch of Reionization Array delay power spectrum pipeline
di: Garsden, Hugh, et al.
Pubblicazione: (2024)

Mitigating calibration errors from mutual coupling with time-domain filtering of 21 cm cosmological radio observations
di: Charles, N., et al.
Pubblicazione: (2024)

A General Bayesian Framework to Account for Foreground Map Errors in Global 21-cm Experiments
di: Pagano, Michael, et al.
Pubblicazione: (2022)

Bayesian power spectrum estimation with modelling of systematic effects in delay-fringe rate space
di: Dutta, Sohini, et al.
Pubblicazione: (2026)

Accounting for Noise and Singularities in Bayesian Calibration Methods for Global 21-cm Cosmology Experiments
di: Kirkham, Christian J., et al.
Pubblicazione: (2024)

Bayesian estimation of cross-coupling and reflection systematics in 21cm array visibility data
di: Murphy, Geoff G., et al.
Pubblicazione: (2023)

A Bayesian Method to Mitigate the Effects of Unmodelled Time-Varying Systematics for 21-cm Cosmology Experiments
di: Kirkham, Christian J., et al.
Pubblicazione: (2023)

Bayesian model comparison and validation with Gaussian Process Regression for interferometric 21-cm signal recovery
di: Liu, Yuchen, et al.
Pubblicazione: (2025)

Forecast measurement of the 21 cm global spectrum from Lunar orbit with the Vari-Zeroth-Order Polynomial (VZOP) method
di: Liu, Tianyang, et al.
Pubblicazione: (2024)

CosmicWeb-21cm array: A New Radio Observation Array Design for 21cm Cosmology
di: Wang, Jiancheng, et al.
Pubblicazione: (2026)

Bayesian approach to radio frequency interference mitigation
di: Leeney, S. A. K., et al.
Pubblicazione: (2022)

Systematics mitigation for catalogue-based angular power spectra
di: Cornish, Thomas, et al.
Pubblicazione: (2025)

Needlets and foreground removal for SKAO hydrogen intensity maps
di: De Caro, Bianca, et al.
Pubblicazione: (2025)

Probing the Global 21-cm Signal via the Integrated Sachs-Wolfe Effect on the 21-cm Background
di: Ahn, Kyungjin, et al.
Pubblicazione: (2023)