English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

We have analysed the angular power spectra of the Parkes radio continuum andpolarisation survey of the Southern galactic plane at 2.4 GHz. We have foundthat in the multipole range l=40-250 the angular power spectrum of thepolarised intensity is well described by a power-law spectrum with fittedspectral index alpha_L = 2.37 +- 0.21. In the same multipole range the angularpower spectra of the E and B components of the polarised signal aresignificantly flatter, with fitted spectral indices respectively of alpha_E =1.57 +- 0.12 and alpha_B = 1.45 +- 0.12. Temperature fluctuations in the E andB components are mostly determined by variations in polarisation angle. We havecombined these results with other data from available radio surveys in order toproduce a full-sky toy model of Galactic synchrotron intensity and linearpolarisation at high frequencies (> 10 GHz). This can be used to study thefeasibility of measuring the Cosmic Microwave Background polarisation withforthcoming experiments and satellite missions.Comment: 17 pages, 11 figures. Accepted for publication in A&A. Paper with  higher quality images available at  ftp://astro.esa.int/pub/synchrotron/paper.ps.g

Towards a model of full-sky Galactic synchrotron intensity and linear polarisation: A re-analysis of the Parkes data