Foreground separation and constraints on primordial gravitational waves with the PICO space mission

R Aurlien, M Remazeilles, S Belkner… - … of Cosmology and …, 2023 - iopscience.iop.org
PICO is a concept for a NASA probe-scale mission aiming to detect or constrain the tensor to
scalar ratio r, a parameter that quantifies the amplitude of inflationary gravity waves. We …

COSMOGLOBE DR1 results-I. Improved Wilkinson Microwave Anisotropy Probe maps through Bayesian end-to-end analysis

DJ Watts, A Basyrov, JR Eskilt, M Galloway… - Astronomy & …, 2023 - aanda.org
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 …

BEYONDPLANCK-III. Commander3

M Galloway, KJ Andersen, R Aurlien, R Banerji… - Astronomy & …, 2023 - aanda.org
We describe the computational infrastructure for end-to-end Bayesian cosmic microwave
background (CMB) analysis implemented by the BeyondPlanck Collaboration. The code is …

BEYONDPLANCK-XI. Bayesian CMB analysis with sample-based end-to-end error propagation

LPL Colombo, JR Eskilt, S Paradiso… - Astronomy & …, 2023 - aanda.org
We present posterior sample-based cosmic microwave background (CMB) constraints from
Planck LFI and WMAP observations as derived through global end-to-end Bayesian …

BEYONDPLANCK-I. Global Bayesian analysis of the Planck Low Frequency Instrument data

KJ Andersen, R Aurlien, R Banerji, A Basyrov… - Astronomy & …, 2023 - aanda.org
We describe the BEYONDPLANCK project in terms of our motivation, methodology, and
main products, and provide a guide to a set of companion papers that describe each result …

BEYONDPLANCK-X. Planck Low Frequency Instrument frequency maps with sample-based error propagation

A Basyrov, AS Suur-Uski, LPL Colombo… - Astronomy & …, 2023 - aanda.org
We present Planck Low Frequency Instrument (LFI) frequency sky maps derived within the
BEYONDPLANCK framework. This framework draws samples from a global posterior …

BEYONDPLANCK-XIII. Intensity foreground sampling, degeneracies, and priors

KJ Andersen, D Herman, R Aurlien, R Banerji… - Astronomy & …, 2023 - aanda.org
We present the intensity foreground algorithms and model employed within the
BEYONDPLANCK analysis framework. The BEYONDPLANCK analysis is aimed at …

COSMOGLOBE DR1 results-II. Constraints on isotropic cosmic birefringence from reprocessed WMAP and Planck LFI data

JR Eskilt, DJ Watts, R Aurlien, A Basyrov… - Astronomy & …, 2023 - aanda.org
Cosmic birefringence is a parity-violating effect that might have rotated the plane of the
linearly polarized light of the cosmic microwave background (CMB) by an angle β since its …

BEYONDPLANCK-XIV. Polarized foreground emission between 30 and 70 GHz

TL Svalheim, KJ Andersen, R Aurlien, R Banerji… - Astronomy & …, 2023 - aanda.org
Using the Planck Low Frequency Instrument (LFI) and WMAP data within the global
Bayesian BEYONDPLANCK framework, we constrained the polarized foreground emission …

BEYONDPLANCK-VI. Noise characterization and modeling

HT Ihle, M Bersanelli, C Franceschet, E Gjerløw… - Astronomy & …, 2023 - aanda.org
We present a Bayesian method for estimating instrumental noise parameters and
propagating noise uncertainties within the global BEYONDPLANCK Gibbs sampling …