QUIJOTE scientific results – XII. Characterization of the polarized synchrotron emission at the power spectrum level in the QUIJOTE-MFI wide survey

Clicks: 13
ID: 333739
2026
Free PDF
Article Quality & Performance Metrics
Overall Quality
Not rated
Combines reader engagement with the AI quality analysis. This article has not been analysed, so there is no overall score — reader engagement is measured and shown alongside.
AI Quality Assessment
Not analyzed
Readership in this journal
Emerging

Ranked #1,126 of 1,339 articles by views in monthly notices of the royal astronomical society

Most read Least read

Bar heights use a square-root scale. Only the 120 most-read articles are drawn; the journal has 1,339 in total.

Mint this article as an NFT
Not yet minted

Create a permanent, verifiable on-chain record of this article on the Scimatic Network. The NFT is held in your Journament account, and you can withdraw it to your own wallet at any time.

5 SUSD one-off · no wallet required
Sign in to mint
Abstract
Abstract We present an analysis of the polarized synchrotron emission at the power-spectrum level in the multipole range 30 ≤ ℓ < 130, using the recent QUIJOTE-MFI wide survey (10–20 GHz) in combination with Planck and WMAP data. The EE and BB power spectra are well described by a simple power-law model, with no evidence for the need of additional parameters. The best-fit slopes are αEE = −3.24 ± 0.12 and αEE = −3.81 ± 0.34 for |b| > 20○, hinting toward a steepening of the BB spectrum relative to EE at the ∼1.6σ level. The synchrotron frequency spectral indices are found to be $\beta _{\rm s}^{\rm EE} = -3.26 \pm 0.05$ and $\beta _{\rm s}^{\rm BB} = -3.25 \pm 0.10$ for the same cut, in agreement with earlier real-space analyses. We find no evidence for spatial variations of βs across different Galactic latitude cuts, within current uncertainties. The synchrotron BB/EE power ratio is approximately 0.2 over the considered multipole range, lower than typical values for thermal dust, and consistent with previous measurements. We also measure a dust-synchrotron spatial correlation in the range 0.1–0.25 over 30 ≤ ℓ < 130. Using these results, we estimate the level of synchrotron contamination in future CMB B-mode measurements, finding an average power in the considered sky masks equivalent to r ≃ 0.003 at 90 GHz and r ≃ 0.0002 at 150 GHz for the relevant angular scales.
Reference Key
openalex_W7223282513 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors F. Vansyngel, J. A. Rubino-Martin, P. de Ferra, R. Belén Barreiro, R. T. Genova-Santos, B. Casaponsa, M. Fernandez-Torreiro, D. Adak, K. Aryan, M. Ashdown, J. M. Casas, F. J. Casas, Roke Cepeda-Arroita, A. Fasano, D. Herranz, E. Martinez-Gonzalez, F. Poidevin, R. Rebolo, B. Ruiz-Granados, D. Tramonte, P. Vielva, R. A. Watson
Are you one of these authors? Claim your profile
Journal monthly notices of the royal astronomical society
Year 2026
DOI
10.1093/mnras/stag2031
URL
https://doi.org/10.1093/mnras/stag2031
Keywords Keywords not found

Citations

No citations found. To add a citation, contact the admin at info@scimatic.org

Comments

No comments yet. Be the first to comment on this article.