Cover Image

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

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Munshi, S., Mertens, F. G., Chege, J. K., Koopmans, L. V. E., Offringa, A. R., Semelin, B., Barkana, R., Dhandha, J., Fialkov, A., Mériot, R., Sikder, S., Bracco, A., Brackenhoff, S. A., Ceccotti, E., Ghara, R., Ghosh, S., Hothi, I., Mevius, M., Ocvirk, P., Shaw, A. K., Yatawatta, S., Zarka, P.
Format:	Preprint
Published:	2025
Subjects:	Cosmology and Nongalactic Astrophysics Instrumentation and Methods for Astrophysics
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

Similar Items

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

Deeper multi-redshift upper limits on the Epoch of Reionization 21-cm signal power spectrum from LOFAR between z=8.3 and z=10.1
by: Mertens, F. G., et al.
Published: (2025)

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

Constraints on the state of the IGM at $z\sim 8-10$ using redshifted 21-cm observations with LOFAR
by: Ghara, R., et al.
Published: (2025)

The impact of diffuse Galactic emission on direction-independent gain calibration in high-redshift 21 cm observations
by: Höfer, C., et al.
Published: (2025)

Broadband Polarized Radio Emission Detected from Starlink Satellites Below 100 MHz with NenuFAR
by: Zhang, X., et al.
Published: (2025)

Robust direction-dependent gain-calibration of beam-modelling errors far from the target field
by: Brackenhoff, S. A., et al.
Published: (2025)

Mitigating incoherent excess variance in high-redshift 21 cm observations with multi-output cross-Gaussian process regression
by: Munshi, S., et al.
Published: (2025)

Automatic detection of solar radio bursts in NenuFAR observations
by: Murphy, Pearse C., et al.
Published: (2024)

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

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

Observations of Carbon Radio Recombination Lines with the NenuFAR telescope. I. Cassiopeia A and Cygnus A
by: Cros, Lucie, et al.
Published: (2025)

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

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

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

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

Generative Models of 21cm EoR Lightcones with 3D Scattering Transforms
by: Hothi, Ian, et al.
Published: (2025)

Transient RFI environment of LOFAR-LBA at 72-75 MHz: Impact on ultra-widefield AARTFAAC Cosmic Explorer observations of the redshifted 21-cm signal
by: Gehlot, B. K., et al.
Published: (2023)

Constraining the clustering and 21-cm signature of radio galaxies at cosmic dawn
by: Sikder, Sudipta, et al.
Published: (2024)

The effect of photon re-scattering due to cosmic reionization on 21-cm images and power spectra
by: Sikder, Sudipta, et al.
Published: (2026)

Classification of Radio Backgrounds at Cosmic Dawn and 21 cm Signal Confirmation Using Neural Networks
by: Sikder, Sudipta, et al.
Published: (2024)

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

The Signature of Strong High-Redshift Radio Backgrounds on the Cosmic Dawn 21-cm Bispectrum
by: Sikder, Sudipta, et al.
Published: (2026)

Emulation of the Cosmic Dawn 21-cm Power Spectrum and Classification of Excess Radio Models Using an Artificial Neural Network
by: Sikder, Sudipta, et al.
Published: (2022)

Comparison of Bayesian inference methods using the Loreli II database of hydro-radiative simulations of the 21-cm signal
by: Meriot, Romain, et al.
Published: (2024)

Probing small-scale dark matter clumping with the large-scale 21-cm power spectrum
by: Sikder, Sudipta, et al.
Published: (2025)

Impact of Stochastic Pop~III X-ray Binaries on the Cosmological 21-cm Signal
by: Dasgupta, Saswata, et al.
Published: (2026)

Extracting the Epoch of Reionization Signal with 3D U-Net Neural Networks Using Data-driven Systematic Effect Model
by: Gao, Li-Yang, et al.
Published: (2024)

The Signature of Sub-galactic Dark Matter Clumping in the Global 21-cm Signal of Hydrogen
by: Park, Hyunbae, et al.
Published: (2025)

Combining summary statistics with simulation-based inference for the 21 cm signal from the Epoch of Reionization
by: Semelin, Benoit, et al.
Published: (2024)

Constraining the properties of Population III galaxies with multi-wavelength observations
by: Pochinda, S., et al.
Published: (2023)

Wavelet Based Statistics for Enhanced 21cm EoR Parameter Constraints
by: Hothi, Ian, et al.
Published: (2023)

Cosmic mysteries and the hydrogen 21-cm line: bridging the gap with lunar observations
by: Fialkov, Anastasia, et al.
Published: (2023)

Lossless compression of simulated radio interferometric visibilities
by: Offringa, A. R., et al.
Published: (2025)

Revised LOFAR upper limits on the 21-cm signal power spectrum at $\mathbf{z\approx9.1}$ using Machine Learning and Gaussian Process Regression
by: Acharya, Anshuman, et al.
Published: (2024)

Effects of chemically homogeneous evolution of the first stars on the 21-cm signal and reionization
by: Liu, Boyuan, et al.
Published: (2025)

The possible accretion discs of GN-z11 at redshift z = 10.6, MoM-z14 at z = 14.44 and other high redshift objects
by: Fabian, A. C., et al.
Published: (2025)

NOEMA reveals the true nature of luminous red JWST z>10 galaxy candidates
by: Meyer, R. A., et al.
Published: (2023)

Cosmological super-resolution of the 21-cm signal
by: Pochinda, Simon, et al.
Published: (2025)

On the Constraints on Superconducting Cosmic Strings from 21-cm Cosmology
by: Gessey-Jones, T., et al.
Published: (2023)