Publications (37)
Constraining Primordial Non-Gaussianity with High-Redshift Probes
Jun-Qing Xia, Anna Bonaldi, Carlo Baccigalupi +4
We present an analysis of the constraints on the amplitude of primordial non-Gaussianity of local type described by the dimensionless parameter . These constraints are…
A New Model for the Extragalactic Radio Sky at Low Frequency Calibrated Using the LOFAR Two-metre Survey
Jinyang Lin, Zhenghao Zhu, Renyi Ma +2
Building the radio sky template are crucial for detecting the 21 cm emission line signal from the Epoch of Reionization (EoR), as well as for other cosmological research endeavors.…
Exploring cosmic origins with CORE: gravitational lensing of the CMB
Anthony Challinor, Rupert Allison, Julien Carron +110
Lensing of the CMB is now a well-developed probe of large-scale clustering over a broad range of redshifts. By exploiting the non-Gaussian imprints of lensing in the polarization o…
Generating all-sky radio continuum clustering simulations with GHOST
Brandon Venville, Anna Bonaldi, David Parkinson +3
Techniques using multiple tracers of the large scale structure of the universe show great promise for examining the fundamentals of our Universe's cosmology. Such techniques rely o…
The Planck-ATCA Co-eval Observations (PACO) project: the spectrally-selected sample
Anna Bonaldi, Laura Bonavera, Marcella Massardi +1
The Planck-ATCA Co-eval Observations (PACO) have provided multi-frequency (5-40 GHz) flux density measurements of complete samples of Australia Telescope 20 GHz (AT20G) radio sourc…
SKA-Low simulations for a cosmic dawn/epoch of reionisation deep field
Anna Bonaldi, Philippa Hartley, Simon Purser +7
We present a realistic simulation of an SKA-Low cosmic dawn/epoch of reionisation (CD/EoR) observation, which can be used to further the development of foreground-mitigation approa…
Galactic foreground constraints on primordial -mode detection for ground-based experiments
Carlos HervÃas-Caimapo, Anna Bonaldi, Michael L. Brown +1
Contamination by polarized foregrounds is one of the biggest challenges for future polarized cosmic microwave background (CMB) surveys and the potential detection of primordial …
Spectrum of the Anomalous Microwave Emission in the North Celestial Pole with WMAP 7-Year data
Anna Bonaldi, Sara Ricciardi
We estimate the frequency spectrum of the diffuse anomalous microwave emission (AME) on the North Celestial Pole (NCP) region of the sky with the Correlated Component Analysis (CCA…
Foreground removal for Square Kilometre Array observations of the Epoch of Reionization with the Correlated Component Analysis
Anna Bonaldi, Michael L. Brown
We apply the Correlated Component Analysis (CCA) method on simulated data of the Square Kilometre Array, with the aim of accurately cleaning the 21 cm reionization signal from diff…
A model for the cosmological evolution of low frequency radio sources
Marcella Massardi, Anna Bonaldi, Mattia Negrello +3
We present a new evolutionary model that describes the population properties of radio sources at frequencies <5 GHz, thus complementing the De Zotti et al. (2005) model, holding at…
SKA Weak Lensing III: Added Value of Multi-Wavelength Synergies for the Mitigation of Systematics
Stefano Camera, Ian Harrison, Anna Bonaldi +1
In this third paper of a series on radio weak lensing for cosmology with the Square Kilometre Array, we scrutinise synergies between cosmic shear measurements in the radio and opti…
The Planck-ATCA Co-eval Observations (PACO) project: the bright sample
Marcella Massardi, Anna Bonaldi, Laura Bonavera +3
The Planck-ATCA Co-eval Observations (PACO) have provided flux density measurements of well defined samples of AT20G radio sources at frequencies below and overlapping with Planck…
ALMA Band 3 polarimetric follow-up of a complete sample of faint PACO sources
Vincenzo Galluzzi, Giuseppe Puglisi, Sandra Burkutean +17
We present Atacama Large Millimeter/submillimiter Array (ALMA) high sensitivity (mJy) polarimetric observations at GHz (Band 3) of a complete sample of $…
Cosmology with Phase 1 of the Square Kilometre Array; Red Book 2018: Technical specifications and performance forecasts
Square Kilometre Array Cosmology Science Working Group, David J. Bacon, Richard A. Battye +44
We present a detailed overview of the cosmological surveys that will be carried out with Phase 1 of the Square Kilometre Array (SKA1), and the science that they will enable. We hig…
Does the evolution of the radio luminosity function of star-forming galaxies match that of the star-formation rate function?
Matteo Bonato, Mattia Negrello, Claudia Mancuso +9
The assessment of the relationship between radio continuum luminosity and star formation rate (SFR) is of crucial importance to make reliable predictions for the forthcoming ultra-…
The Planck-ATCA Coeval Observations (PACO) project: the faint sample
Laura Bonavera, Marcella Massardi, Anna Bonaldi +3
The Planck-ATCA Co-eval Observations (PACO) project collected data between 4.5 and 40 GHz for 482 sources selected within the Australia Telescope 20 GHz (AT20G) catalogue and obser…
Exploring Cosmic Origins with CORE: Inflation
CORE Collaboration, Fabio Finelli, Martin Bucher +129
We forecast the scientific capabilities to improve our understanding of cosmic inflation of CORE, a proposed CMB space satellite submitted in response to the ESA fifth call for a m…
Square Kilometre Array Science Data Challenge 1
Anna Bonaldi, Robert Braun
The Square Kilometre Array (SKA, https://skatelescope.org) will be the world's largest radio telescope. SKA Science Data Challenges will be regularly issued to the community as par…
Impact of modelling foreground uncertainties on future CMB polarization satellite experiments
Carlos HervÃas-Caimapo, Anna Bonaldi, Michael L. Brown
We present an analysis of errors on the tensor-to-scalar ratio due to residual diffuse foregrounds. We use simulated observations of a CMB polarization satellite, the Cosmic Origin…
SuperCLASS -- I. The Super CLuster Assisted Shear Survey: Project overview and Data Release 1
Richard A. Battye, Michael L. Brown, Caitlin M. Casey +24
The SuperCLuster Assisted Shear Survey (SuperCLASS) is a legacy programme using the e-MERLIN interferometric array. The aim is to observe the sky at L-band (1.4 GHz) to a r.m.s. of…
Anticipated Performance of the Square Kilometre Array -- Phase 1 (SKA1)
Robert Braun, Anna Bonaldi, Tyler Bourke +2
The Square Kilometre Array (SKA), currently under design, will be a transformational facility for studying the Universe at centimetre and metre wavelengths in the next decade and b…
Cosmic Dawn and Epoch of Reionization Foreground Removal with the SKA
Emma Chapman, Anna Bonaldi, Geraint Harker +8
The exceptional sensitivity of the SKA will allow observations of the Cosmic Dawn and Epoch of Reionization (CD/EoR) in unprecedented detail, both spectrally and spatially. This we…
Evolution of thermal and nonthermal radio continuum emission on kpc scales--Predictions for SKA
M. Ghasemi-Nodehi, Fatemeh S. Tabatabaei, Mark Sargent +5
Resolved maps of the thermal and nonthermal radio continuum (RC) emission of distant galaxies are a powerful tool for understanding the role of the interstellar medium (ISM) in the…
Painting a full radio sky -- Empirical mock catalogues with multiple source populations for future radio surveys
Tommaso Ronconi, Anna Bonaldi, Marta Spinelli +7
Upcoming radio surveys will probe the sky with unprecedented depth and sky coverage, enabling a broad range of cosmological and astrophysical applications, as well as powerful syne…
Characterization of polarimetric and total intensity behaviour of a complete sample of PACO radio sources in the radio bands
Vincenzo Galluzzi, Marcella Massardi, Anna Bonaldi +17
We present high sensitivity (mJy) polarimetric observations in seven bands, from to GHz, of a complete sample of compact extragalactic radio so…
PRISM (Polarized Radiation Imaging and Spectroscopy Mission): An Extended White Paper
PRISM Collaboration, Philippe André, Carlo Baccigalupi +140
PRISM (Polarized Radiation Imaging and Spectroscopy Mission) was proposed to ESA in May 2013 as a large-class mission for investigating within the framework of the ESA Cosmic Visio…
SuperCLASS -- III. Weak lensing from radio and optical observations in Data Release 1
Ian Harrison, Michael L. Brown, Ben Tunbridge +17
We describe the first results on weak gravitational lensing from the SuperCLASS survey: the first survey specifically designed to measure the weak lensing effect in radio-wavelengt…
PRISM (Polarized Radiation Imaging and Spectroscopy Mission): A White Paper on the Ultimate Polarimetric Spectro-Imaging of the Microwave and Far-Infrared Sky
PRISM Collaboration, Philippe Andre, Carlo Baccigalupi +101
PRISM (Polarized Radiation Imaging and Spectroscopy Mission) was proposed to ESA in response to the Call for White Papers for the definition of the L2 and L3 Missions in the ESA Sc…
The Tiered Radio Extragalactic Continuum Simulation (T-RECS)
Anna Bonaldi, Matteo Bonato, Vincenzo Galluzzi +5
We present the Tiered Radio Extragalactic Continuum Simulation (T-RECS): a new simulation of the radio sky in continuum, over the 150 MHz-20 GHz range. T-RECS models two main popul…
A new model of the microwave polarized sky for CMB experiments
Carlos HervÃas-Caimapo, Anna Bonaldi, Michael L. Brown
We present a new model of the microwave sky in polarization that can be used to simulate data from CMB polarization experiments. We exploit the most recent results from the Planck…
Advancing Astrophysics with the SKA II
Anna Bonaldi, Tyler L. Bourke, Philippa Hartley +45
Advancing Astrophysics with the SKA II (AASKAII), written by our science community, outlines the transformative scientific advances that will be enabled by the SKA telescopes. In t…
The Tiered Radio Extragalactic Continuum (T-RECS) simulation II: HI emission and continuum-HI cross-correlation
Anna Bonaldi, Philippa Hartley, Tommaso Ronconi +2
In this paper we extend the Tiered Radio Extragalactic Continuum Simulation (T-RECS) to include HI emission. The HI T-RECS model is based on the most recent HI mass function estima…
SKA Weak Lensing II: Simulated Performance and Survey Design Considerations
Anna Bonaldi, Ian Harrison, Stefano Camera +1
We construct a pipeline for simulating weak lensing cosmology surveys with the Square Kilometre Array (SKA), taking as inputs telescope sensitivity curves; correlated source flux,…
Exploring Cosmic Origins with CORE: Cosmological Parameters
Eleonora Di Valentino, Thejs Brinckmann, Martina Gerbino +125
We forecast the main cosmological parameter constraints achievable with the CORE space mission which is dedicated to mapping the polarisation of the Cosmic Microwave Background (CM…
The Planck-ATCA Co-eval Observations (PACO) project: analysis of radio source properties between 5 and 217 GHz
Marcella Massardi, Anna Bonaldi, Laura Bonavera +3
The Planck-ATCA Co-eval Observations (PACO) project has yielded observations of 464 sources with the Australia Telescope Compact Array (ATCA) between 4.5 and 40 GHz. The main purpo…
HI Simulations for Cosmology with the SKA Observatory
Tommaso Ronconi, Gabriella De Lucia, Marta Spinelli +15
We present a comparative overview of state-of-the-art methods for modelling the distribution of neutral hydrogen (HI) in the post-reionization Universe, developed in preparation fo…
Looking ahead to the sky with the Square Kilometre Array: simulating flux densities & resolved radio morphologies of star-forming galaxies
Rosemary T. Coogan, Mark T. Sargent, Anna Cibinel +4
SKA-MID surveys will be the first in the radio domain to achieve clearly sub-arcsecond resolution at high sensitivity over large areas, opening new science applications for galaxy…