309 citations · 1.1k across the 40 of their papers we have counts for
7 papers · 1 filter
Baryon acoustic oscillations from HI intensity mapping: the importance of cross-correlations in the monopole and quadrupole
Andrea Rubiola, Steven Cunnington, Stefano Camera
Cosmological parameter estimation in the post-reionisation era via neutral hydrogen radio emission ($\text{\hi}$), is among the key science goals of the forthcoming SKA Observatory…
Measurements of the diffuse Galactic synchrotron spectral index and curvature from MeerKLASS pilot data
Melis O. Irfan, Philip Bull, Mario G. Santos +6
21cm intensity mapping experiments are bringing an influx of high spectral resolution observational data in the MHz GHz regime. We use pilot MHz data fro…
SKAO HI Intensity Mapping: Blind Foreground Subtraction Challenge
Marta Spinelli, Isabella P. Carucci, Steven Cunnington +5
Neutral Hydrogen Intensity Mapping (HI IM) surveys will be a powerful new probe of cosmology. However, strong astrophysical foregrounds contaminate the signal and their coupling wi…
Gaussian Process Regression for foreground removal in HI intensity mapping experiments
Paula S. Soares, Catherine A. Watkinson, Steven Cunnington +1
We apply for the first time Gaussian Process Regression (GPR) as a foreground removal technique in the context of single-dish, low redshift HI intensity mapping, and present an ope…
HI intensity mapping correlation function from UNIT simulations: BAO and observationally induced anisotropy
Santiago Avila, Bernhard Vos-Ginés, Steven Cunnington +4
We study the clustering of HI intensity maps produced from simulations with a focus on baryonic acoustic oscillations (BAO) and the effects induced by telescope beam smoothing and…
The HI intensity mapping bispectrum including observational effects
Steven Cunnington, Catherine Watkinson, Alkistis Pourtsidou
The bispectrum is a 3-point statistic with the potential to provide additional information beyond power spectra analyses of survey datasets. Radio telescopes which broadly survey t…
HI constraints from the cross-correlation of eBOSS galaxies and Green Bank Telescope intensity maps
Laura Wolz, Alkistis Pourtsidou, Kiyoshi W. Masui +18
We present the joint analysis of Neutral Hydrogen (HI) Intensity Mapping observations with three galaxy samples: the Luminous Red Galaxy (LRG) and Emission Line Galaxy (ELG) sample…