Cover Image

Primary Beam Chromaticity in HIRAX: I. Characterization from Simulations and Power Spectrum Implications

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Sampath, Ajith, Crichton, Devin, Moodley, Kavilan, Chiang, H. Cynthia, Acedo, Eloy De Lera, Dlamini, Simthembile, Gaddam, Sindhu, Gerodias, Kit M., Gueuning, Quentin, Gupta, N., Hitz, Pascal, Madhusudhan, Aditya Krishna Karigiri, Krishna, Shreyam Parth, Mugundhan, V., Retana-Montenegro, Edwin, Saliwanchik, Benjamin R. B., Santos, Mario G., Walters, Anthony
Format:	Preprint
Published:	2024
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

Fast Radio Burst Dispersion Measure--Timing Cross-Correlations: Bias Self-Calibration and Primordial Non-Gaussianity Constraints
by: Dlamini, Simthembile
Published: (2026)

Radio Halo Detection in MWA Data using Deep Neural Networks and Generative Data Augmentation
by: Mishra, Ashutosh K., et al.
Published: (2024)

Constraining primordial non-Gaussianity by combining next-generation galaxy and 21 cm intensity mapping surveys
by: Jolicoeur, Sheean, et al.
Published: (2023)

A Fast Direct Solver for Mutual Coupling Analysis of Large Arrays of Reflector Antennas
by: Gueuning, Quentin, et al.
Published: (2026)

Constraining the growth rate on linear scales by combining SKAO and DESI surveys
by: Dlamini, Simthembile, et al.
Published: (2023)

A Broadband Multipole Method for Accelerated Mutual Coupling Analysis of Large Irregular Arrays Including Rotated Antennas
by: Gueuning, Quentin, et al.
Published: (2024)

Fast Simulation of Cosmological Neutral Hydrogen based on the Halo Model
by: Hitz, Pascal, et al.
Published: (2024)

A cross-bispectrum estimator for CMB-HI intensity mapping correlations
by: Moodley, Kavilan, et al.
Published: (2023)

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

The Spectrometer Development of CosmoCube, Lunar Orbiting Satellite to Detect 21-cm Hydrogen Signal from Cosmic Dark Ages
by: Artuc, Kaan, et al.
Published: (2024)

Impact of extragalactic point sources on the low-frequency sky spectrum and cosmic dawn global 21-cm measurements
by: Mittal, Shikhar, et al.
Published: (2024)

Uncovering the Effects of Array Mutual Coupling in 21-cm Experiments with the SKA-Low Radio Telescope
by: O'Hara, Oscar S. D., et al.
Published: (2024)

Capturing System Drift with Time Series Calibration for Global 21-cm Cosmology Experiments
by: Kirkham, Christian J., et al.
Published: (2025)

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

PolySwyft: sequential simulation-based nested sampling
by: Scheutwinkel, Kilian H., et al.
Published: (2025)

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

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

Quantifying the Impact of Lunar and Planetary Occultation on Experimental Global 21 cm Cosmology
by: Pattison, Joe H. N., et al.
Published: (2025)

Deep learning approach for identification of HII regions during reionization in 21-cm observations -- III. image recovery
by: Bianco, Michele, et al.
Published: (2024)

Simulation-Based Inference of the sky-averaged 21-cm signal from CD-EoR with REACH
by: Saxena, Anchal, et al.
Published: (2024)

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

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

Bayesian Anomaly Detection for Ia Cosmology: Automating SALT3 Data Curation
by: Leeney, S. A. K., et al.
Published: (2025)

Clues on the nature of the quasi-periodic optical outbursts of the blazar OJ 287
by: Gopal-Krishna
Published: (2024)

RFSoC receiver calibration system for 21-cm global spectrum experiments from space: The CosmoCube case
by: Zhu, Jiacong, et al.
Published: (2025)

FlexKnot as a Generalised Model of the Sky-averaged 21-cm Signal at z ~ 6-30 in the Presence of Systematics
by: Shen, Emma, et al.
Published: (2023)

Advanced Modeling for Exoplanet Detection and Characterization
by: Chamarthy, Krishna
Published: (2025)

The effects of the antenna power pattern uncertainty within a global 21 cm experiment
by: Cumner, John, et al.
Published: (2023)

BIPP: An efficient HPC implementation of the Bluebild algorithm for radio astronomy
by: Tolley, Emma, et al.
Published: (2023)

Characterising M dwarf host stars of two candidate Hycean worlds
by: Sairam, Lalitha, et al.
Published: (2025)

Feasibility of High-Resolution Transmission Spectroscopy for Low-Velocity Exoplanets
by: Cheverall, Connor, et al.
Published: (2024)

VIRA: An Exoplanet Atmospheric Retrieval Framework for JWST Transmission Spectroscopy
by: Constantinou, Savvas, et al.
Published: (2024)

Wide-field GMRT imaging of X-shaped Radio-Galaxies: Spectral properties of 4C32.25 and 4C61.23
by: Retana-Montenegro, E.
Published: (2025)

Calibration Error in 21-centimeter Global Spectrum Experiments
by: Sun, Shijie, et al.
Published: (2024)

GPS in the cosmos
by: Gopal-Krishna
Published: (2024)

The Hycean Paradigm in the Search for Life Elsewhere
by: Madhusudhan, Nikku
Published: (2024)

Habitability and Biosignatures
by: Madhusudhan, Nikku
Published: (2025)

The alternating 'changing-look' blazar OQ 334 (B2 1420+32): New observational clues to the blazar state transitions
by: Chand, Krishan, et al.
Published: (2025)

In-situ acceleration of radio-emitting particles in the lobes of radio galaxies: Evolving observational perspective and recent clues
by: Gopal-Krishna, et al.
Published: (2024)

The Atacama Cosmology Telescope: stellar mass growth in massive galaxy clusters from DR5 over the past 7 billion years
by: Ragavan, Damien C., et al.
Published: (2025)