activity
20162025
most citedSuppressing structure formation at dwarf galaxy scales and below: late kinetic decoupling as a compelling alternative to warm dark matter

70 citations · 356 across the 25 of their papers we have counts for

collaborators

25 papers

astro-ph.IM2025

Separation of gain fluctuations and continuum signals in total power spectrometers with application to COMAP

J. G. S. Lunde, P. C. Breysse, D. T. Chung +11

We describe a time-domain technique for separating gain fluctuations and continuum signal for a total power spectrometer, such as the CO Mapping Array Project (COMAP) Pathfin…

astro-ph.CO2025★ 4 cited

Three-Dimensional Stacking as a Line Intensity Mapping Statistic

D. A. Dunne, K. A. Cleary, P. C. Breysse +9

Line-intensity mapping (LIM) is a growing technique that measures the integrated spectral-line emission from unresolved galaxies over a three-dimensional region of the Universe. Al…

astro-ph.CO2024

Cosmoglobe DR2. I. Global Bayesian analysis of COBE-DIRBE

D. J. Watts, M. Galloway, E. Gjerløw +14

We present the first global Bayesian analysis of the time-ordered DIRBE data within the Cosmoglobe framework, building on the same methodology that has previously been successfully…

astro-ph.CO2024★ 4 cited

COMAP Pathfinder -- Season 2 results III. Implications for cosmic molecular gas content at "Cosmic Half-past Eleven"

D. T. Chung, P. C. Breysse, K. A. Cleary +24

The Carbon monOxide Mapping Array Project (COMAP) Pathfinder survey continues to demonstrate the feasibility of line-intensity mapping using high-redshift carbon monoxide (CO) line…

astro-ph.CO2024★ 5 cited

COMAP Pathfinder -- Season 2 results II. Updated constraints on the CO(1-0) power spectrum

N. -O. Stutzer, J. G. S. Lunde, P. C. Breysse +24

We present updated constraints on the cosmological 3D power spectrum of carbon monoxide CO(1-0) emission in the redshift range -. The constraints are derived from the two…

astro-ph.CO2024★ 7 cited

COMAP Pathfinder -- Season 2 results I. Improved data selection and processing

J. G. S. Lunde, N. -O. Stutzer, P. C. Breysse +24

The CO Mapping Array Project (COMAP) Pathfinder is performing line intensity mapping of CO emission to trace the distribution of unresolved galaxies at redshift . We pres…

astro-ph.CO2024

Cosmoglobe DR2. II. CIB monopole measurements from COBE-DIRBE through global Bayesian analysis

D. J. Watts, M. Galloway, E. Gjerløw +13

We derive new constraints on the CIB monopole spectrum from a set of reprocessed COBE-DIRBE sky maps that have lower instrumental and astrophysical contamination than the legacy DI…

astro-ph.CO2023★ 5 cited

Cosmoglobe DR1. III. First full-sky model of polarized synchrotron emission from all WMAP and Planck LFI data

D. J. Watts, U. Fuskeland, R. Aurlien +18

We present the first model of full-sky polarized synchrotron emission that is derived from all WMAP and Planck LFI frequency maps. The basis of this analysis is the set of end-to-e…

astro-ph.CO2023★ 2 cited

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…

astro-ph.CO2023★ 33 cited

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…

astro-ph.CO2023★ 17 cited

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…

astro-ph.CO2022★ 9 cited

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…

astro-ph.CO2022★ 17 cited

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…

astro-ph.CO2022★ 17 cited

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…

astro-ph.IM2022

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…

astro-ph.IM2022★ 2 cited

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…

astro-ph.CO2022★ 17 cited

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…

astro-ph.CO2022★ 36 cited

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…

astro-ph.CO2022★ 18 cited

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…

astro-ph.CO2022★ 24 cited

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…

astro-ph.CO2022★ 12 cited

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…

astro-ph.GA2021★ 5 cited

Synergies between the COMAP CO Line Intensity Mapping mission and a Lyα galaxy survey: How to probe the early universe with voxel based analysis of observational data

Marta B. Silva, Bernhard Baumschlager, Kieran A. Cleary +7

Line Intensity Mapping (LIM) offers a novel avenue to observe and characterize our universe. LIM data of CO spectral lines are becoming available, such as those obtained by the CO…

astro-ph.CO2020★ 2 cited

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…

astro-ph.CO2018★ 50 cited

Joint power spectrum and voxel intensity distribution forecast on the CO luminosity function with COMAP

Håvard Tveit Ihle, Dongwoo Chung, George Stein +12

We develop a framework for joint constraints on the CO luminosity function based on power spectra (PS) and voxel intensity distributions (VID), and apply this to simulations of COM…