Search Results - "Fuskeland, U"
-
1
SPATIAL VARIATIONS IN THE SPECTRAL INDEX OF POLARIZED SYNCHROTRON EMISSION IN THE 9 yr WMAP SKY MAPS
Published in The Astrophysical journal (01-08-2014)“…We estimate the spectral index, beta , of polarized synchrotron emission as observed in the 9 yr Wilkinson Microwave Anisotropy Probe sky maps using two…”
Get full text
Journal Article -
2
THE EFFECT OF SYSTEMATICS ON POLARIZED SPECTRAL INDICES
Published in The Astrophysical journal (01-02-2013)“…We study four particularly bright polarized compact objects (Tau A, Vir A, 3C 273, and For A) in the 7 year Wilkinson Microwave Anisotropy Probe (WMAP) sky…”
Get full text
Journal Article -
3
From BeyondPlanck to Cosmoglobe: Open Science, Reproducibility, and Data Longevity
Published in The open journal of astrophysics (01-03-2023)Get full text
Journal Article -
4
THE Q/U IMAGING EXPERIMENT: POLARIZATION MEASUREMENTS OF THE GALACTIC PLANE AT 43 AND 95 GHz
Published in The Astrophysical journal (01-10-2015)“…ABSTRACT We present polarization observations of two Galactic plane fields centered on Galactic coordinates (l, b) = (0°, 0°) and (329°, 0°) at both Q (43 GHz)…”
Get full text
Journal Article -
5
From BeyondPlanck to Cosmoglobe: Open Science, Reproducibility, and Data Longevity
Published in The open journal of astrophysics (2023)“…The BeyondPlanck and Cosmoglobe collaborations have implemented the first integrated Bayesian end-to-end analysis pipeline for CMB experiments. The primary…”
Get full text
Journal Article -
6
Cosmoglobe DR2. II. CIB monopole measurements from COBE-DIRBE through global Bayesian analysis
Published 03-06-2024“…We derive new constraints on the CIB monopole spectrum from a set of reprocessed COBE-DIRBE sky maps that have lower instrumental and astrophysical…”
Get full text
Journal Article -
7
Cosmoglobe DR2. III. Improved modelling of zodiacal light with COBE-DIRBE through global Bayesian analysis
Published 20-08-2024“…We present an improved zodiacal light model for COBE-DIRBE derived through global Bayesian analysis within the Cosmoglobe Data Release 2 framework. The…”
Get full text
Journal Article -
8
Cosmoglobe DR2. I. Global Bayesian analysis of COBE-DIRBE
Published 20-08-2024“…We present the first global Bayesian analysis of the time-ordered DIRBE data within the Cosmoglobe framework, building on the same methodology that has…”
Get full text
Journal Article -
9
B-mode polarization forecasts for GreenPol
Published 18-04-2024“…A&A, 684, A128 (2024) We present tensor-to-scalar ratio forecasts for GreenPol, a hypothetical ground-based B-mode experiment aiming to survey the cleanest…”
Get full text
Journal Article -
10
Cosmoglobe DR1. III. First full-sky model of polarized synchrotron emission from all WMAP and Planck LFI data
Published 20-10-2023“…A&A 686, A297 (2024) We present the first model of full-sky polarized synchrotron emission that is derived from all WMAP and Planck LFI frequency maps. The…”
Get full text
Journal Article -
11
Cosmoglobe: Towards end-to-end CMB cosmological parameter estimation without likelihood approximations
Published 31-10-2023“…A&A 678, A169 (2023) We implement support for a cosmological parameter estimation algorithm as proposed by Racine et al. (2016) in Commander, and quantify its…”
Get full text
Journal Article -
12
Multi-dimensional optimisation of the scanning strategy for the LiteBIRD space mission
Published 06-08-2024“…Large angular scale surveys in the absence of atmosphere are essential for measuring the primordial $B$-mode power spectrum of the Cosmic Microwave Background…”
Get full text
Journal Article -
13
LiteBIRD Science Goals and Forecasts. Mapping the Hot Gas in the Universe
Published 24-07-2024“…We assess the capabilities of the LiteBIRD mission to map the hot gas distribution in the Universe through the thermal Sunyaev-Zeldovich (SZ) effect. Our…”
Get full text
Journal Article -
14
The LiteBIRD mission to explore cosmic inflation
Published 04-06-2024“…LiteBIRD, the next-generation cosmic microwave background (CMB) experiment, aims for a launch in Japan's fiscal year 2032, marking a major advancement in the…”
Get full text
Journal Article -
15
Cosmoglobe DR1 results. II. Constraints on isotropic cosmic birefringence from reprocessed WMAP and Planck LFI data
Published 03-05-2023“…A&A 679, A144 (2023) Cosmic birefringence is a parity-violating effect that might have rotated the plane of linearly polarized light of the cosmic microwave…”
Get full text
Journal Article -
16
LiteBIRD Science Goals and Forecasts: Primordial Magnetic Fields
Published 25-03-2024“…We present detailed forecasts for the constraints on primordial magnetic fields (PMFs) that will be obtained with the LiteBIRD satellite. The constraints are…”
Get full text
Journal Article -
17
Impact of beam far side-lobe knowledge in the presence of foregrounds for LiteBIRD
Published 14-12-2023“…We present a study of the impact of an uncertainty in the beam far side-lobe knowledge on the measurement of the Cosmic Microwave Background $B$-mode signal at…”
Get full text
Journal Article -
18
LiteBIRD Science Goals and Forecasts: Improving Sensitivity to Inflationary Gravitational Waves with Multitracer Delensing
Published 08-12-2023“…We estimate the efficiency of mitigating the lensing $B$-mode polarization, the so-called delensing, for the $LiteBIRD$ experiment with multiple external data…”
Get full text
Journal Article -
19
LiteBIRD Science Goals and Forecasts: A full-sky measurement of gravitational lensing of the CMB
Published 08-12-2023“…We explore the capability of measuring lensing signals in $LiteBIRD$ full-sky polarization maps. With a $30$ arcmin beam width and an impressively low…”
Get full text
Journal Article -
20
LiteBIRD Science Goals and Forecasts. A Case Study of the Origin of Primordial Gravitational Waves using Large-Scale CMB Polarization
Published 01-12-2023“…We study the possibility of using the $LiteBIRD$ satellite $B$-mode survey to constrain models of inflation producing specific features in CMB angular power…”
Get full text
Journal Article