A. Zacchei
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View article: The LSPE-Strip pointing reconstruction and Star Tracker
The LSPE-Strip pointing reconstruction and Star Tracker Open
This work is part of a series of papers describing in detail the design and characterization of the LSPE-Strip , a microwave telescope operating in the Q- and W-bands which is foreseen to be installed at the Observatorio del Teide in Tener…
View article: The LSPE-Strip Pointing Reconstruction and Star Tracker
The LSPE-Strip Pointing Reconstruction and Star Tracker Open
This paper aims to describe the Pointing Reconstruction Model (PRM) and the prototype Star Tracker, which will be mounted on LSPE-Strip, a microwave Q- and W-band CMB telescope planned for installation at the "Observatorio del Teide" in Te…
View article: <i>Euclid</i> preparation
<i>Euclid</i> preparation Open
Context. The European Space Agency’s Euclid mission is one of a raft of forthcoming large-scale cosmology surveys that will map the large-scale structure in the Universe with unprecedented precision. The mission will collect a vast amount …
View article: BEYONDPLANCK
BEYONDPLANCK Open
End-to-end simulations play a key role in the analysis of any high-sensitivity cosmic microwave background (CMB) experiment, providing high-fidelity systematic error propagation capabilities that are unmatched by any other means. In this p…
View article: From BeyondPlanck to Cosmoglobe: Open Science, Reproducibility, and Data Longevity
From BeyondPlanck to Cosmoglobe: Open Science, Reproducibility, and Data Longevity Open
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 this work is to develop a common analysis platform that su…
View article: BEYONDPLANCK
BEYONDPLANCK Open
We present posterior sample-based cosmic microwave background (CMB) constraints from Planck LFI and WMAP observations as derived through global end-to-end Bayesian processing within the B EYOND P LANCK framework. We first used these sample…
View article: The commissioning phase
The commissioning phase Open
In May 1997 a consistent part of the services and structures committed to the industry had already been released to the commissioning group. The telescope itself was, with the exception of the Nasmyth derotators, motors and all the optics …
View article: BEYONDPLANCK
BEYONDPLANCK Open
We describe the B EYOND P LANCK project in terms of our motivation, methodology, and main products, and provide a guide to a set of companion papers that describe each result in more detail. Building directly on experience from ESA’s Planc…
View article: BeyondPlanck: I. Global Bayesian analysis of the Planck Low Frequency Instrument data
BeyondPlanck: I. Global Bayesian analysis of the Planck Low Frequency Instrument data Open
We describe the B EYOND P LANCK project in terms of our motivation, methodology, and main products, and provide a guide to a set of companion papers that describe each result in more detail. Building directly on experience from ESA’s Planc…
View article: BEYONDPLANCK
BEYONDPLANCK Open
We present Planck Low Frequency Instrument (LFI) frequency sky maps derived within the B EYOND P LANCK framework. This framework draws samples from a global posterior distribution that includes instrumental, astrophysical, and cosmological…
View article: BEYONDPLANCK
BEYONDPLANCK Open
We present a Bayesian calibration algorithm for cosmic microwave background (CMB) observations as implemented within the global end-to-end B EYOND P LANCK framework and applied to the Planck Low Frequency Instrument (LFI) data. Following t…
View article: BEYONDPLANCK
BEYONDPLANCK Open
We present cosmological parameter constraints estimated using the Bayesian B EYOND P LANCK analysis framework. This method supports seamless end-to-end error propagation from raw time-ordered data onto final cosmological parameters. As a f…
View article: BEYONDPLANCK
BEYONDPLANCK Open
We present the intensity foreground algorithms and model employed within the B EYOND P LANCK analysis framework. The B EYOND P LANCK analysis is aimed at integrating component separation and instrumental parameter sampling within a global …
View article: Suppression of electrical breakdown phenomena in liquid TriMethyl Bismuth based ionization detectors
Suppression of electrical breakdown phenomena in liquid TriMethyl Bismuth based ionization detectors Open
Organometallic liquids provide good properties for ionization detectors. TriMethyl Bismuth (TMBi) has been proposed as a detector medium with charge and Cherenkov photon readout for Positron Emission Tomography. In this work, we present st…
View article: BeyondPlanck XI. Bayesian CMB analysis with sample-based end-to-end error propagation
BeyondPlanck XI. Bayesian CMB analysis with sample-based end-to-end error propagation Open
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 these samples to study correlations between CMB, foreground…
View article: From BEYONDPLANCK to COSMOGLOBE: Preliminary WMAP <i>Q</i>-band analysis
From BEYONDPLANCK to COSMOGLOBE: Preliminary WMAP <i>Q</i>-band analysis Open
We present the first application of the C OSMOGLOBE analysis framework by analyzing nine-year WMAP time-ordered observations that uses similar machinery to that of B EYOND P LANCK for the Planck Low Frequency Instrument (LFI). We analyzed …
View article: BEYONDPLANCK
BEYONDPLANCK Open
We present a Bayesian method for estimating instrumental noise parameters and propagating noise uncertainties within the global B EYOND P LANCK Gibbs sampling framework, which we applied to Planck Low Frequency Instrument (LFI) time-ordere…
View article: BEYONDPLANCK
BEYONDPLANCK Open
We describe the correction procedure for Analog-to-Digital Converter (ADC) differential non-linearities (DNL) adopted in the Bayesian end-to-end B EYOND P LANCK analysis framework. This method is nearly identical to that developed for the …
View article: BeyondPlanck XII. Cosmological parameter constraints with end-to-end error propagation
BeyondPlanck XII. Cosmological parameter constraints with end-to-end error propagation Open
We present cosmological parameter constraints as estimated using the Bayesian BeyondPlanck (BP) analysis framework. This method supports seamless end-to-end error propagation from raw time-ordered data to final cosmological parameters. As …
View article: From BeyondPlanck to Cosmoglobe: Open Science, Reproducibility, and Data Longevity
From BeyondPlanck to Cosmoglobe: Open Science, Reproducibility, and Data Longevity Open
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 this work is to develop a common analysis platform that su…
View article: BEYONDPLANCK
BEYONDPLANCK Open
We present a Gibbs sampling solution to the mapmaking problem for cosmic microwave background (CMB) measurements that builds on existing destriping methodology. Gibbs sampling breaks the computationally heavy destriping problem into two se…
View article: Convolutional neural network-reconstructed velocity for kinetic SZ detection
Convolutional neural network-reconstructed velocity for kinetic SZ detection Open
We report the detection of the kinetic Sunyaev-Zel’dovich (kSZ) effect in galaxy clusters with a 4.9 σ significance using the latest 217 GHz Planck map from data release 4. For the detection, we stacked the Planck map at the positions of 3…
View article: BEYONDPLANCK
BEYONDPLANCK Open
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 B EYOND P LANCK , the first end-to-end Bayesian Gibbs sampling framework for CMB analy…
View article: BEYONDPLANCK
BEYONDPLANCK Open
We constrained the level of polarized anomalous microwave emission (AME) on large angular scales using Planck Low-Frequency Instrument (LFI) and WMAP polarization data within a Bayesian cosmic microwave background (CMB) analysis framework.…
View article: BEYONDPLANCK
BEYONDPLANCK Open
We describe the computational infrastructure for end-to-end Bayesian cosmic microwave background (CMB) analysis implemented by the BeyondPlanck Collaboration. The code is called Commander3 . It provides a statistically consistent framework…
View article: BeyondPlanck V. Minimal ADC Corrections for Planck LFI
BeyondPlanck V. Minimal ADC Corrections for Planck LFI Open
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. This method is nearly identical to that developed for the off…
View article: BEYONDPLANCK
BEYONDPLANCK Open
We discuss the treatment of bandpass and beam leakage corrections in the Bayesian B EYOND P LANCK cosmic microwave background (CMB) analysis pipeline as applied to the Planck LFI measurements. As a preparatory step, we first applied three …
View article: BEYONDPLANCK
BEYONDPLANCK Open
Using the Planck Low Frequency Instrument (LFI) and WMAP data within the global Bayesian B EYOND P LANCK framework, we constrained the polarized foreground emission between 30 and 70 GHz. We combined, for the first time, full-resolution Pl…
View article: From BeyondPlanck to Cosmoglobe: Preliminary $\mathit{WMAP}$ $\mathit Q$-band analysis
From BeyondPlanck to Cosmoglobe: Preliminary $\mathit{WMAP}$ $\mathit Q$-band analysis Open
We present the first application of the Cosmoglobe analysis framework by analyzing 9-year $\mathit{WMAP}$ time-ordered observations using similar machinery as BeyondPlanck utilizes for $\mathit{Planck}$ LFI. We analyze only the $\mathit Q$…
View article: <i>Euclid</i>preparation
<i>Euclid</i>preparation Open
Euclid is a mission of the European Space Agency that is designed to constrain the properties of dark energy and gravity via weak gravitational lensing and galaxy clustering. It will carry out a wide area imaging and spectroscopy survey (t…