124 citations · 464 across the 26 of their papers we have counts for
28 papers
Validation of harmonic-space likelihood methods for LiteBIRD B-mode polarisation analysis
G. Galloni, P. Campeti, C. Gimeno-Amo +112
The LiteBIRD satellite mission aims to measure the tensor-to-scalar ratio with unprecedented sensitivity through observations of the cosmic microwave background (CMB) -mode…
Implementation of frequency-correlated noise in CMB component separation: Method, Validation, and Early Applications
L. Zapelli, M. Bersanelli, L. P. L. Colombo +24
Parametric component separation methods used in cosmic microwave background (CMB) analyses commonly assume instrumental noise to be uncorrelated between frequency channels. This ap…
LiteBIRD Mission Overview after Mission Reformation
LiteBIRD Collaboration, K. Aizawa, H. Akamatsu +172
LiteBIRD is a JAXA-led space mission designed to produce all-sky microwave polarization maps. Its primary science goal is to test representative inflationary models by measuring th…
LSPE-STRIP on-sky calibration strategy using bright celestial sources
R. T. Génova-Santos, M. Bersanelli, C. Franceschet +21
In this paper we describe the global on-sky calibration strategy of the LSPE-Strip instrument. Strip is a microwave telescope operating in the Q- and W-bands (central frequencies o…
Measuring the CMB primordial B-modes with Bolometric Interferometry
A. Mennella, P. Ade, A. Almela +111
The Q&U Bolometric Interferometer for Cosmology (QUBIC) is the first bolometric interferometer designed to measure the primordial B-mode polarization of the Cosmic Microwave Backgr…
The advantage of Bolometric Interferometry for controlling Galactic foreground contamination in CMB primordial B-modes measurements
E. Manzan, M. Regnier, J-Ch. Hamilton +18
In the quest for the faint primordial B-mode polarization of the Cosmic Microwave Background, three are the key requirements for any present or future experiment: an utmost sensiti…
Identifying frequency decorrelated dust residuals in B-mode maps by exploiting the spectral capability of bolometric interferometry
M. Regnier, E. Manzan, J. -Ch Hamilton +21
Astrophysical polarized foregrounds represent the most critical challenge in Cosmic Microwave Background (CMB) B-mode experiments. Multi-frequency observations can be used to const…
Cosmoglobe: Towards end-to-end CMB cosmological parameter estimation without likelihood approximations
J. R. Eskilt, K. Lee, D. J. Watts +20
We implement support for a cosmological parameter estimation algorithm as proposed by Racine et al. (2016) in Commander, and quantify its computational efficiency and cost. For a s…
Cosmoglobe DR1 results. II. Constraints on isotropic cosmic birefringence from reprocessed WMAP and Planck LFI data
J. R. Eskilt, D. J. Watts, R. Aurlien +28
Cosmic birefringence is a parity-violating effect that might have rotated the plane of linearly polarized light of the cosmic microwave background (CMB) by an angle since its e…
Cosmoglobe DR1 results. I. Improved Wilkinson Microwave Anisotropy Probe maps through Bayesian end-to-end analysis
D. J. Watts, A. Basyrov, J. R. Eskilt +30
We present Cosmoglobe Data Release 1, which implements the first joint analysis of WMAP and Planck LFI time-ordered data, processed within a single Bayesian end-to-end framework. T…
BeyondPlanck X. Planck LFI frequency maps with sample-based error propagation
A. Basyrov, A. -S. Suur-Uski, L. P. L. Colombo +37
We present Planck LFI frequency sky maps derived within the BeyondPlanck framework. This framework draws samples from a global posterior distribution that includes instrumental, as…
BeyondPlanck XI. Bayesian CMB analysis with sample-based end-to-end error propagation
L. P. L. Colombo, J. R. Eskilt, S. Paradiso +36
We present posterior sample-based cosmic microwave background (CMB) constraints from Planck LFI and WMAP observations derived through global end-to-end Bayesian processing. We use…
BeyondPlanck XII. Cosmological parameter constraints with end-to-end error propagation
S. Paradiso, L. P. L. Colombo, K. J. Andersen +38
We present cosmological parameter constraints as estimated using the Bayesian BeyondPlanck (BP) analysis framework. This method supports seamless end-to-end error propagation from…
From BeyondPlanck to Cosmoglobe: Open Science, Reproducibility, and Data Longevity
S. Gerakakis, M. Brilenkov, M. Ieronymaki +39
The BeyondPlanck and Cosmoglobe collaborations have implemented the first integrated Bayesian end-to-end analysis pipeline for CMB experiments. The primary long-term motivation for…
BeyondPlanck V. Minimal ADC Corrections for Planck LFI
D. Herman, R. A. Watson, K. J. Andersen +36
We describe the correction procedure for Analog-to-Digital Converter (ADC) differential non-linearities (DNL) adopted in the Bayesian end-to-end BeyondPlanck analysis framework. Th…
From BeyondPlanck to Cosmoglobe: Preliminary -band analysis
D. J. Watts, M. Galloway, H. T. Ihle +40
We present the first application of the Cosmoglobe analysis framework by analyzing 9-year time-ordered observations using similar machinery as BeyondPlanck utilizes…
BeyondPlanck III. Commander3
M. Galloway, K. J. Andersen, R. Aurlien +35
We describe the computational infrastructure for end-to-end Bayesian CMB analysis implemented by the BeyondPlanck collaboration. This code is called commander3, and provides a stat…
BeyondPlanck VIII. Efficient Sidelobe Convolution and Correction through Spin Harmonics
M. Galloway, M. Reinecke, K. J. Andersen +35
We introduce a new formulation of the Conviqt convolution algorithm in terms of spin harmonics, and apply this to the problem of sidelobe correction for BeyondPlanck, the first end…
BeyondPlanck X. Bandpass and beam leakage corrections
T. L. Svalheim, K. J. Andersen, R. Aurlien +36
We discuss the treatment of bandpass and beam leakage corrections in the Bayesian BeyondPlanck CMB analysis pipeline as applied to the Planck LFI measurements. As a preparatory ste…
BeyondPlanck XIII. Intensity foreground sampling, degeneracies, and priors
K. J. Andersen, D. Herman, R. Aurlien +41
We present the intensity foreground algorithms and model employed within the BeyondPlanck analysis framework. The BeyondPlanck analysis is aimed at integrating component separation…
BeyondPlanck XVI. Limits on Large-Scale Polarized Anomalous Microwave Emission from Planck LFI and WMAP
D. Herman, B. Hensley, K. J. Andersen +35
We constrain the level of polarized anomalous microwave emission (AME) on large angular scales using LFI and polarization data within a Bayesian C…
BeyondPlanck II. CMB map-making through Gibbs sampling
E. Keihänen, A. -S. Suur-Uski, K. J. Andersen +37
We present a Gibbs sampling solution to the map-making problem for CMB measurements, building on existing destriping methodology. Gibbs sampling breaks the computationally heavy de…
BeyondPlanck XV. Polarized foreground emission between 30 and 70 GHz
T. L. Svalheim, K. J. Andersen, R. Aurlien +35
We constrain polarized foreground emission between 30 and 70 GHz with the Planck Low Frequency Instrument (LFI) and WMAP data within the global Bayesian BeyondPlanck framework. We…
BeyondPlanck VII. Bayesian estimation of gain and absolute calibration for CMB experiments
E. Gjerløw, H. T. Ihle, S. Galeotta +35
We present a Bayesian calibration algorithm for CMB observations as implemented within the global end-to-end BeyondPlanck (BP) framework, and apply this to the Planck Low Frequency…